IP Library › Granted Patent US 12,443,180
Granted Patent B2
US 12,443,180 · App. 17/984,048 · Granted Oct 14, 2025

Robotic lawn mowers

Inventors: Man Ho Choi (Kwai Chung, CN); Hei Man Lee (Kwai Chung, CN); Shing Hin Li (Kwai Chung, CN)
Assignee: TECHTRONIC CORDLESS GP
G05D1/0027A01D34/008G05D1/0022
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,443,180
App. No.
17/984,048
Granted
Oct 14, 2025
Kind
B2
Abstract

A method of operating a mowing system, the method including mowing within a work area, wherein mowing is performed by a robotic lawn mower, and wherein the work area comprises a plurality of base stations each configured to charge the robotic lawn mower; determining when to charge the robotic lawn mower in view of a current charge level and a current location of the robotic lawn mower.

Claims (50)

1. A method of operating a mowing system, the method comprising:

mowing within a work area by a robotic lawn mower traveling along a work path, wherein the work area comprises a plurality of base stations each configured to charge the robotic lawn mower, wherein at least one of the base stations defines an area within a prescribed distance of the respective base station, and wherein the work path enters the area a plurality of discrete times during a single mowing operation;

determining an energy consumption of the robotic lawn mower associated with one or more previous or current mowing operations; and

determining when to initiate charging of the robotic lawn mower based on a current charge level, the determined energy consumption, a remaining un-mowed portion of the work path, and a current location of the robotic lawn mower at the area.

2. The method of claim 1 , wherein determining when to charge is performed by the robotic lawn mower and at least one of the plurality of base stations.

3. The method of claim 1 , further comprising

monitoring the current location of the robotic lawn mower; and

determining a distance between the current location and at least one of the plurality of base stations.

4. The method of claim 3 , wherein determining when to charge is performed further based on the determined distance and a current work plan of the robotic lawn mower.

5. The method of claim 1 , wherein the work area is divided into a plurality of zones, wherein the robotic lawn mower remains in one of the plurality of zones when performing the mowing operation, and wherein a first base station of the plurality of base stations is disposed outside of all of the plurality of zones.

6. The method of claim 5 , wherein the plurality of zones includes a first zone and a second zone, wherein the first and second zones partially overlap, and wherein a second base station of the plurality of base stations is disposed in an overlap between the first and second zones.

7. The method of claim 1 , wherein the mowing system comprises a plurality of robotic lawn mowers, and wherein the method further comprises determining when to charge each of the plurality of robotic lawn mowers based on the current charge level and the current location of each of the plurality of robotic lawn mowers relative to the area.

8. The method of claim 7 , wherein each of the plurality of robotic lawn mowers is configured to perform a separate mowing operation in one of a plurality of zones, and wherein at least two of the plurality of zones partially overlap one another.

9. The method of claim 1 , wherein the work path is part of a work plan, and wherein the work plan further includes instructions to engage or disengage the mower blade.

10. The method of claim 1 , further comprising determining to only partially charge the robotic lawn mower based on a work plan associated with the robotic lawn mower, the work plan including a remaining distance on the work path prior to completing the mowing operation.

11. A method of operating a mowing system, the method comprising:

mowing within a work area by a plurality of robotic lawn mowers each traveling along a separate work path, wherein the work area comprises a plurality of base stations each configured to charge the plurality of robotic lawn mowers, wherein at least one of the base stations defines an area within a prescribed distance of the respective base station, and wherein the work path of at least one of the plurality of robotic lawn mowers enters the area a plurality of discrete times during a single mowing operation;

determining when to initiate charging of the at least one of the plurality of robotic lawn mowers and reserving a particular base station of the plurality of base stations based on a current charge level, a remaining un-mowed portion of the work path, a current location of the at least one of the plurality of robotic lawn mowers at the area, and a current occupancy of each of the plurality of base stations.

12. The method of claim 11 , wherein the plurality of robotic lawn mowers includes a principal robotic lawn mower and a secondary robotic lawn mower, wherein the principal robotic lawn mower acts as a middleman between at least one of the plurality of base stations and the secondary robotic lawn mower, and wherein, when the principal robotic lawn mower is operating at a sub-threshold charge level, principal status is delegated to the secondary robotic lawn mower.

13. The method of claim 11 , wherein the method further comprising:

determining energy consumption of at least one of the plurality of robotic lawn mowers when mowing within the work area; and

updating information associated with determining when to charge the at least one of the plurality of robotic lawn mowers in view of the determined energy consumption.

14. The method of claim 11 , further comprising adjusting a work plan of the at least one of the plurality of robotic lawn mowers based on an initial energy usage of the at least one of the plurality of robotic lawn mowers when performing a mowing operation in the work area, and wherein determining when to initiate charging is further based on the adjusted work plan.

15. The method of claim 11 , wherein the at least one of the plurality of robotic lawn mowers has a learning mode in which the at least one of the plurality of robotic lawn mowers determines energy consumption using a work plan and updates information to affect a future work plan, and wherein determining when to initiate charging during the future work plan is effected by the updated information associated with the determined energy consumption.

16. The method of claim 14 , wherein the robotic lawn mowers communicate bidirectionally with each other, and wherein each of the plurality of robotic lawn mowers is configured to:

determine a command for one of the other robotic lawn mowers based on data captured by a sensor; and

provide the command to the one of the other robotic lawn mowers.

17. The method of claim 14 , wherein the robotic lawn mowers are connected to form a chain of robotic lawn mowers where data is unidirectionally transferred from one of the plurality of base stations through the chain of robotic lawn mowers.

18. The method of claim 11 , wherein each of the plurality of base stations is configured to act as a master for each of the plurality of robotic lawn mowers, and wherein each of the plurality of robotic lawn mowers is configured to act as a slave to each of the plurality of base stations.

19. The method of claim 11 , wherein each of the plurality of robotic lawn mowers is configured to provide sensor data and location data to the other robotic lawn mowers via the plurality of base stations.

20. The method of claim 19 , wherein the sensor data is captured by a sensor associated with the respective one of the plurality of robotic lawn mowers, and wherein the location data captured by a geolocation device associated with the respective one of the plurality of robotic lawn mowers.

21. The method of claim 11 , wherein each of the plurality of robotic lawn mowers is configured to:

determine location data relative to at least one of the plurality of base stations, and

determine, based on the location data, an optimize a path through the work area.

22. The method of claim 11 , wherein each of the plurality of base stations is configured to relay communications through at least one of the other robotic lawn mowers to one of the plurality of robotic lawn mowers when it is out of a broadcast range of the respective base station.

23. The method of claim 11 , wherein each of the plurality of robotic lawn mowers is configured to connect to a different one of the plurality of base stations when a malfunction in a connected one of the plurality of base stations is determined.

24. The method of claim 11 , wherein each of the plurality of base stations comprises a geolocation device and is configured to provide respective location data to each of the plurality of robotic lawn mowers.

25. A method of operating a mowing system, the method comprising:

mowing within a work area using a work plan, wherein mowing is performed by a robotic lawn mower traveling along a worth path, wherein the work area comprises a plurality of base stations each configured to charge the robotic lawn mower, wherein at least one of the base stations defines an area within a prescribed distance of the respective base station, and wherein the work path enters the area a plurality of discrete times during a single mowing operation;

determining energy consumption of the robotic lawn mower using the work plan;

comparing the determined energy consumption against a known energy usage rate; and

determining when to initiate charging of the robotic lawn mower based on a current charge level, the comparing, a remaining un-mowed portion of the work path, and a current location of the robotic lawn mower at the area.

26. The method of claim 25 , wherein determining energy consumption comprises mapping energy consumption at different locations within the work area.

27. The method of claim 26 , wherein the robotic lawn mower is further configured to inform future determinations of when to charge based on a work path of the work plan and the mapped energy consumption along the work path.

28. The method of claim 25 , wherein the mowing system comprises a plurality of robotic lawn mowers, and wherein the method further comprises determining at which of the plurality of base stations to charge each of the plurality of robotic lawn mowers in view of a current occupancy of each of the plurality of base stations, and reserving the base stations for each of the plurality of robotic lawn mowers based on the determining.

29. The method of claim 28 , wherein the method further comprises performing additional mowing within the work area, and wherein determining at which of the plurality of base stations to charge each of the plurality of robotic lawn mowers during the additional mowing is further determined in view of the informed future determination.

30. The method of claim 25 , further comprising

monitoring the current location of the robotic lawn mower; and

determining a distance between the current location and at least one of the plurality of base stations.

31. The method of claim 30 , wherein determining the distance is performed by determining a first distance between the current location and a first base station of the plurality of base stations and determining a second distance between the current location and a second base station of the plurality of base stations, and wherein the method further comprises determining at which of the plurality of base stations to charge the robotic lawn mower in view of the determined first distance and the determined second distance.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 3, 2023
From: CHOI, MAN HO; LEE, HEI MAN; LI, SHING HIN
To: TECHTRONIC CORDLESS GP
Reel/Frame 063519/0165 →
Continuity (2)
Provisional Application 63278079 · Nov 10, 2021
Related Publication 20230142590A1 · May 11, 2023
References Cited (400)
US 923312A · Alexanderson · 1909 [cited by applicant]
US 2511124A · Phelps · 1950 [cited by applicant]
US 2539779A · Grosso · 1951 [cited by applicant]
US 2701942A · Caldwell, Jr. et al. · 1955 [cited by applicant]
US 2751030A · Null · 1956 [cited by applicant]
US 2914902A · Beymer · 1959 [cited by applicant]
US 3057140A · Ridenour et al. · 1962 [cited by applicant]
US 3147662A · Snook · 1964 [cited by applicant]
US 3311738A · Makow · 1967 [cited by applicant]
US 3393598A · Bettinger · 1968 [cited by applicant]
US 3500622A · Bowen · 1970 [cited by applicant]
US 3570227A · Bellinger · 1971 [cited by applicant]
US 3612574A · Klopfer et al. · 1971 [cited by applicant]
US 3680295A · Rutherford · 1972 [cited by applicant]
US 3776327A · Klopfer et al. · 1973 [cited by applicant]
US 4065913A · Fisher et al. · 1978 [cited by applicant]
US 4126990A · Fisher et al. · 1978 [cited by applicant]
US 4126991A · Gobin et al. · 1978 [cited by applicant]
US 4165597A · Scanland et al. · 1979 [cited by applicant]
US 4205510A · Raniero · 1980 [cited by applicant]
US 4268964A · Moore · 1981 [cited by applicant]
US 4306375A · Goldfarb et al. · 1981 [cited by applicant]
US 4333202A · Block · 1982 [cited by applicant]
US 4351132A · Molin · 1982 [cited by applicant]
US 4468884A · Goldfarb et al. · 1984 [cited by applicant]
US 4492058A · Goldfarb et al. · 1985 [cited by applicant]
US 4511343A · Goldfarb et al. · 1985 [cited by applicant]
US 4522606A · Goldfarb et al. · 1985 [cited by applicant]
US 4547166A · Goldfarb et al. · 1985 [cited by applicant]
US 4591347A · Goldfarb et al. · 1986 [cited by applicant]
US 4596412A · Everett et al. · 1986 [cited by applicant]
US 4627563A · Meyer · 1986 [cited by applicant]
US 4652247A · Goldfarb et al. · 1987 [cited by applicant]
US 4673370A · Goldfarb et al. · 1987 [cited by applicant]
US 4693656A · Guthrie · 1987 [cited by applicant]
US 4787794A · Guthrie · 1988 [cited by applicant]
US 4826066A · Koester et al. · 1989 [cited by applicant]
US 4902260A · Im · 1990 [cited by applicant]
US 4916813A · Elia · 1990 [cited by applicant]
US 4951985A · Pong et al. · 1990 [cited by applicant]
US 4958068A · Pong et al. · 1990 [cited by applicant]
US 4962453A · Pong et al. · 1990 [cited by applicant]
US 4964265A · Young · 1990 [cited by applicant]
US 4968878A · Pong et al. · 1990 [cited by applicant]
US 5024728A · Morita et al. · 1991 [cited by applicant]
US 5025969A · Koester et al. · 1991 [cited by applicant]
US 5323593A · Cline et al. · 1994 [cited by applicant]
US 5363633A · Masaru · 1994 [cited by applicant]
US 5402110A · Oliver et al. · 1995 [cited by applicant]
US 5406778A · Lamb et al. · 1995 [cited by applicant]
US 5507137A · Norris · 1996 [cited by applicant]
US 5540037A · Lamb et al. · 1996 [cited by applicant]
US 5548278A · Oliver et al. · 1996 [cited by applicant]
US 5553445A · Lamb et al. · 1996 [cited by applicant]
US 5561972A · Rolfe · 1996 [cited by applicant]
US 5572856A · Ku · 1996 [cited by applicant]
US 5577868A · Chen · 1996 [cited by applicant]
US 5703569A · Oliver et al. · 1997 [cited by applicant]
US 5785480A · Difeo · 1998 [cited by applicant]
US 5821731A · Kuki et al. · 1998 [cited by applicant]
US 5850135A · Kuki et al. · 1998 [cited by applicant]
US 5916111A · Colens · 1999 [cited by applicant]
US 5942869A · Katou et al. · 1999 [cited by applicant]
US 6076025A · Ueno et al. · 2000 [cited by applicant]
US 6101795A · Diekhans · 2000 [cited by applicant]
US 6212917B1 · Rathbun · 2001 [cited by applicant]
US 6255793B1 · Peless et al. · 2001 [cited by applicant]
US 6300737B1 · Bergvall et al. · 2001 [cited by applicant]
US 6321515B1 · Colens · 2001 [cited by applicant]
US D451931S · Abramson et al. · 2001 [cited by applicant]
US 6338013B1 · Ruffner · 2002 [cited by applicant]
US 6339735B1 · Peless et al. · 2002 [cited by applicant]
US 6417641B2 · Peless et al. · 2002 [cited by applicant]
US 6442845B2 · Wheeler et al. · 2002 [cited by applicant]
US 6443509B1 · Levin et al. · 2002 [cited by applicant]
US 6460253B1 · Wheeler et al. · 2002 [cited by applicant]
US 6465982B1 · Bergvall et al. · 2002 [cited by applicant]
US 6481515B1 · Kirkpatrick et al. · 2002 [cited by applicant]
US 6493613B2 · Peless et al. · 2002 [cited by applicant]
US 6502017B2 · Ruffner · 2002 [cited by applicant]
US 6525509B1 · Petersson et al. · 2003 [cited by applicant]
US 6586908B2 · Petersson et al. · 2003 [cited by applicant]
US 6594844B2 · Jones · 2003 [cited by applicant]
US 6600981B2 · Ruffner · 2003 [cited by applicant]
US 6604348B2 · Hunt · 2003 [cited by applicant]
US 6611738B2 · Ruffner · 2003 [cited by applicant]
US 6615108B1 · Peless et al. · 2003 [cited by applicant]
US 6636847B1 · Spires · 2003 [cited by applicant]
US 6650975B2 · Ruffner · 2003 [cited by applicant]
US 6662889B2 · De Fazio et al. · 2003 [cited by applicant]
US 6728607B1 · Anderson · 2004 [cited by applicant]
US 6763282B2 · Glenn et al. · 2004 [cited by applicant]
US 6779217B2 · Fisher · 2004 [cited by applicant]
US 6809490B2 · Jones et al. · 2004 [cited by applicant]
US 6813557B2 · Schmidt et al. · 2004 [cited by applicant]
US 6850024B2 · Peless et al. · 2005 [cited by applicant]
US 6870792B2 · Chiappetta · 2005 [cited by applicant]
US 6879878B2 · Glenn et al. · 2005 [cited by applicant]
US 6885912B2 · Peless et al. · 2005 [cited by applicant]
US 6907336B2 · Gray et al. · 2005 [cited by applicant]
US 6934615B2 · Flann et al. · 2005 [cited by applicant]
US 6984952B2 · Peless et al. · 2006 [cited by applicant]
US 7010425B2 · Gray et al. · 2006 [cited by applicant]
US 7024842B2 · Hunt et al. · 2006 [cited by applicant]
US 7024843B2 · Hunt et al. · 2006 [cited by applicant]
US 7047712B1 · Hunt et al. · 2006 [cited by applicant]
US 7053580B2 · Aldred · 2006 [cited by applicant]
US 7069111B2 · Glenn et al. · 2006 [cited by applicant]
US 7076348B2 · Bucher et al. · 2006 [cited by applicant]
US 7079923B2 · Abramson et al. · 2006 [cited by applicant]
US 7079943B2 · Flann et al. · 2006 [cited by applicant]
US 7085624B2 · Aldred et al. · 2006 [cited by applicant]
US 7103457B2 · Dean · 2006 [cited by applicant]
US 7110881B2 · Gray et al. · 2006 [cited by applicant]
US 7114318B2 · Poulson et al. · 2006 [cited by applicant]
US 7117660B1 · Colens · 2006 [cited by applicant]
US 7133746B2 · Abramson et al. · 2006 [cited by applicant]
US 7146786B2 · Brandon · 2006 [cited by applicant]
US 7155308B2 · Jones · 2006 [cited by applicant]
US 7155309B2 · Peless et al. · 2006 [cited by applicant]
US 7166983B2 · Jung · 2007 [cited by applicant]
US 7167775B2 · Abramson et al. · 2007 [cited by applicant]
US 7173391B2 · Jones et al. · 2007 [cited by applicant]
US 7174157B2 · Gassho et al. · 2007 [cited by applicant]
US 7211980B1 · Bruemmer et al. · 2007 [cited by applicant]
US 7216033B2 · Flann et al. · 2007 [cited by applicant]
US 7227334B2 · Yang et al. · 2007 [cited by applicant]
US 7228214B2 · Flann et al. · 2007 [cited by applicant]
US 7233683B2 · Han et al. · 2007 [cited by applicant]
US 7242791B2 · Han et al. · 2007 [cited by applicant]
US 7286902B2 · Kim et al. · 2007 [cited by applicant]
US D559867S · Abramson · 2008 [cited by applicant]
US 7332890B2 · Cohen et al. · 2008 [cited by applicant]
US 7349759B2 · Peless et al. · 2008 [cited by applicant]
US 7363994B1 · DeFazio et al. · 2008 [cited by applicant]
US 7369460B2 · Chiappetta et al. · 2008 [cited by applicant]
US 7369924B2 · Han et al. · 2008 [cited by applicant]
US 7388343B2 · Jones et al. · 2008 [cited by applicant]
US D573610S · Abramson · 2008 [cited by applicant]
US 7395648B1 · Silbernagel et al. · 2008 [cited by applicant]
US 7418328B2 · Romig · 2008 [cited by applicant]
US 7429843B2 · Jones et al. · 2008 [cited by applicant]
US 7430455B2 · Casey et al. · 2008 [cited by applicant]
US 7444214B2 · Cho et al. · 2008 [cited by applicant]
US 7469525B2 · Zeigler et al. · 2008 [cited by applicant]
US 7474941B2 · Kim et al. · 2009 [cited by applicant]
US 7480958B2 · Song et al. · 2009 [cited by applicant]
US 7480960B2 · Kim · 2009 [cited by applicant]
US 7497053B2 · Nicolet · 2009 [cited by applicant]
US 7499774B2 · Barrett et al. · 2009 [cited by applicant]
US 7499775B2 · Filippov et al. · 2009 [cited by applicant]
US 7499776B2 · Allard et al. · 2009 [cited by applicant]
US 7499804B2 · Svendsen et al. · 2009 [cited by applicant]
US 7505848B2 · Flann et al. · 2009 [cited by applicant]
US 7539557B2 · Yamauchi · 2009 [cited by applicant]
US 7568873B1 · Rambo · 2009 [cited by applicant]
US 7574282B2 · Petersson et al. · 2009 [cited by applicant]
US 7577499B2 · Sun et al. · 2009 [cited by applicant]
US 7587260B2 · Bruemmer et al. · 2009 [cited by applicant]
US 7590413B2 · May · 2009 [cited by applicant]
US 7596934B2 · Waesche et al. · 2009 [cited by applicant]
US 7610122B2 · Anderson · 2009 [cited by applicant]
US 7610123B2 · Han et al. · 2009 [cited by applicant]
US 7613543B2 · Petersson et al. · 2009 [cited by applicant]
US 7614835B2 · Kitamura · 2009 [cited by applicant]
US 7617890B2 · Romig · 2009 [cited by applicant]
US 7647144B2 · Haegermarck · 2010 [cited by applicant]
US D610072S · Wallet et al. · 2010 [cited by applicant]
US 7663333B2 · Jones et al. · 2010 [cited by applicant]
US 7688676B2 · Chiappetta et al. · 2010 [cited by applicant]
US 7690066B2 · Stoltz et al. · 2010 [cited by applicant]
US D615920S · Kline et al. · 2010 [cited by applicant]
US 7707812B2 · Cheung · 2010 [cited by applicant]
US 7720572B2 · Ziegler et al. · 2010 [cited by applicant]
US 7729801B2 · Abramson · 2010 [cited by applicant]
US 7730705B2 · Kubinski · 2010 [cited by applicant]
US 7769490B2 · Abramson et al. · 2010 [cited by applicant]
US 7787989B2 · Colens · 2010 [cited by applicant]
US 7792607B2 · Han et al. · 2010 [cited by applicant]
US 7801645B2 · Taylor et al. · 2010 [cited by applicant]
US 7805220B2 · Taylor et al. · 2010 [cited by applicant]
US 7805676B2 · Schemers et al. · 2010 [cited by applicant]
US 7805918B2 · Silbernagel et al. · 2010 [cited by applicant]
US D628145S · Vaidya · 2010 [cited by applicant]
US 7840210B2 · May · 2010 [cited by applicant]
US 7843431B2 · Robbins et al. · 2010 [cited by applicant]
US 7844396B2 · Zeitzew · 2010 [cited by applicant]
US 7853373B2 · Traster et al. · 2010 [cited by applicant]
US 7876927B2 · Han et al. · 2011 [cited by applicant]
US 7885738B2 · Park et al. · 2011 [cited by applicant]
US 7908834B2 · Keski-Luopa · 2011 [cited by applicant]
US 7929504B2 · Wentink et al. · 2011 [cited by applicant]
US 7953526B2 · Durkos et al. · 2011 [cited by applicant]
US 7957837B2 · Ziegler et al. · 2011 [cited by applicant]
US 7957850B2 · Anderson · 2011 [cited by applicant]
US 7958709B2 · Coleman et al. · 2011 [cited by applicant]
US 7958712B2 · Cheung · 2011 [cited by applicant]
US 7979175B2 · Allard et al. · 2011 [cited by applicant]
US 7992251B2 · Chung et al. · 2011 [cited by applicant]
US 8020657B2 · Allard et al. · 2011 [cited by applicant]
US 8022667B2 · Anderson · 2011 [cited by applicant]
US 8031086B2 · Thacher et al. · 2011 [cited by applicant]
US 8046103B2 · Abramson et al. · 2011 [cited by applicant]
US 8065866B2 · Tamas et al. · 2011 [cited by applicant]
US 8078338B2 · Pack et al. · 2011 [cited by applicant]
US 8079433B2 · Teague et al. · 2011 [cited by applicant]
US D652431S · Näslund · 2012 [cited by applicant]
US 8091105B2 · Lee · 2012 [cited by applicant]
US 8106626B2 · Li et al. · 2012 [cited by applicant]
US 8107318B2 · Chiappetta et al. · 2012 [cited by applicant]
US 8108092B2 · Phillips et al. · 2012 [cited by applicant]
US 8121730B2 · Sung et al. · 2012 [cited by applicant]
US D656163S · Johansson et al. · 2012 [cited by applicant]
US 8135498B2 · Hyung et al. · 2012 [cited by applicant]
US 8150574B2 · Han et al. · 2012 [cited by applicant]
US 8195333B2 · Ziegler et al. · 2012 [cited by applicant]
US 8195342B2 · Anderson · 2012 [cited by applicant]
US 8195358B2 · Anderson · 2012 [cited by applicant]
US 8199109B2 · Robbins et al. · 2012 [cited by applicant]
US 8200428B2 · Anderson · 2012 [cited by applicant]
US 8208907B2 · May · 2012 [cited by applicant]
US 8209053B2 · Kim et al. · 2012 [cited by applicant]
US 8224500B2 · Anderson · 2012 [cited by applicant]
US 8224516B2 · Anderson · 2012 [cited by applicant]
US 8229618B2 · Tolstedt et al. · 2012 [cited by applicant]
US 8234010B2 · Thompson et al. · 2012 [cited by applicant]
US 8234848B2 · Messina et al. · 2012 [cited by applicant]
US 8237389B2 · Fitch et al. · 2012 [cited by applicant]
US 8239992B2 · Schnittman et al. · 2012 [cited by applicant]
US 8255092B2 · Phillips et al. · 2012 [cited by applicant]
US 8271132B2 · Nielsen et al. · 2012 [cited by applicant]
US 8292007B2 · DeFazio et al. · 2012 [cited by applicant]
US 8295125B2 · Chiappetta et al. · 2012 [cited by applicant]
US 8295979B2 · Thacher et al. · 2012 [cited by applicant]
US 8297032B2 · Ninomiya et al. · 2012 [cited by applicant]
US 8297903B2 · Hohmann et al. · 2012 [cited by applicant]
US 8306659B2 · Abramson et al. · 2012 [cited by applicant]
US 8311674B2 · Abramson · 2012 [cited by applicant]
US 8326469B2 · Phillips et al. · 2012 [cited by applicant]
US 8336282B2 · Messina et al. · 2012 [cited by applicant]
US 8340438B2 · Anderson · 2012 [cited by applicant]
US 8347444B2 · Schnittman et al. · 2013 [cited by applicant]
US 8350810B2 · Robbins et al. · 2013 [cited by applicant]
US 8352113B2 · Johnson et al. · 2013 [cited by applicant]
US 8370985B2 · Schnittman et al. · 2013 [cited by applicant]
US 8390251B2 · Cohen et al. · 2013 [cited by applicant]
US 8392044B2 · Thompson et al. · 2013 [cited by applicant]
US 8392065B2 · Tolstedt et al. · 2013 [cited by applicant]
US 8396592B2 · Jones et al. · 2013 [cited by applicant]
US 8396597B2 · Anderson · 2013 [cited by applicant]
US 8396611B2 · Phillips et al. · 2013 [cited by applicant]
US D679294S · Tajik et al. · 2013 [cited by applicant]
US D679295S · Tajik et al. · 2013 [cited by applicant]
US 8412377B2 · Casey et al. · 2013 [cited by applicant]
US 8428776B2 · Letsky · 2013 [cited by applicant]
US 8433468B2 · Johnson et al. · 2013 [cited by applicant]
US 8438695B2 · Gilbert, Jr. et al. · 2013 [cited by applicant]
US 8442700B2 · Anderson · 2013 [cited by applicant]
US 8447440B2 · Phillips et al. · 2013 [cited by applicant]
US 8447454B2 · Biber et al. · 2013 [cited by applicant]
US 8461803B2 · Cohen et al. · 2013 [cited by applicant]
US 8463438B2 · Jones et al. · 2013 [cited by applicant]
US 8467928B2 · Anderson · 2013 [cited by applicant]
US 8471133B1 · Lin · 2013 [cited by applicant]
US 8473187B2 · Kammel et al. · 2013 [cited by applicant]
US 8476867B2 · Li et al. · 2013 [cited by applicant]
US 8478442B2 · Casey et al. · 2013 [cited by applicant]
US 8498788B2 · Kondekar · 2013 [cited by applicant]
US D688276S · Näslund · 2013 [cited by applicant]
US 8508329B2 · Veenstra · 2013 [cited by applicant]
US 8521329B2 · Park et al. · 2013 [cited by applicant]
US 8532821B2 · Ko · 2013 [cited by applicant]
US 8532822B2 · Abramson et al. · 2013 [cited by applicant]
US 8560145B2 · Anderson · 2013 [cited by applicant]
US 8565920B2 · Casey et al. · 2013 [cited by applicant]
US 8572266B2 · Larocca · 2013 [cited by applicant]
US 8577517B2 · Phillips et al. · 2013 [cited by applicant]
US 8577538B2 · Lenser et al. · 2013 [cited by applicant]
US 8594842B2 · Abramson · 2013 [cited by applicant]
US 8599645B2 · Chiappetta et al. · 2013 [cited by applicant]
US 8619141B2 · Anderson · 2013 [cited by applicant]
US 8634960B2 · Sandin et al. · 2014 [cited by applicant]
US 8635015B2 · Anderson · 2014 [cited by applicant]
US 8655539B2 · Yoo et al. · 2014 [cited by applicant]
US 8660879B2 · Machtelinck · 2014 [cited by applicant]
US 8666550B2 · Anderson et al. · 2014 [cited by applicant]
US 8666554B2 · Anderson · 2014 [cited by applicant]
US 8666587B2 · Anderson · 2014 [cited by applicant]
US 8671656B2 · Paden · 2014 [cited by applicant]
US 8676378B2 · Tian et al. · 2014 [cited by applicant]
US 8706339B2 · Thompson et al. · 2014 [cited by applicant]
US 8712623B2 · Sato et al. · 2014 [cited by applicant]
US 8725316B2 · Thompson et al. · 2014 [cited by applicant]
US 8726454B2 · Gilbert, Jr. et al. · 2014 [cited by applicant]
US 8731295B2 · Schepelmann et al. · 2014 [cited by applicant]
US 8739057B2 · Cheong et al. · 2014 [cited by applicant]
US 8744626B2 · Johnson et al. · 2014 [cited by applicant]
US 8744663B2 · Sato et al. · 2014 [cited by applicant]
US 8749196B2 · Cohen et al. · 2014 [cited by applicant]
US 8760397B2 · Robbins et al. · 2014 [cited by applicant]
US 8761935B2 · Casey et al. · 2014 [cited by applicant]
US 8781627B2 · Sandin et al. · 2014 [cited by applicant]
US 8788092B2 · Casey et al. · 2014 [cited by applicant]
US 8818567B2 · Anderson · 2014 [cited by applicant]
US 8818602B2 · Yamamura et al. · 2014 [cited by applicant]
US 8838274B2 · Jones et al. · 2014 [cited by applicant]
US 8838291B2 · Jägenstedt et al. · 2014 [cited by applicant]
US 8839477B2 · Schnittman et al. · 2014 [cited by applicant]
US 8843244B2 · Phillips et al. · 2014 [cited by applicant]
US 8854001B2 · Cohen et al. · 2014 [cited by applicant]
US 8856150B2 · Machtelinck · 2014 [cited by applicant]
US 8868237B2 · Sandin et al. · 2014 [cited by applicant]
US 8869337B2 · Sumonthee · 2014 [cited by applicant]
US 8869369B1 · Roach · 2014 [cited by applicant]
US 8874269B2 · Biber et al. · 2014 [cited by applicant]
US 8874300B2 · Allard et al. · 2014 [cited by applicant]
US D718339S · Damshak et al. · 2014 [cited by applicant]
US D718340S · Damshak et al. · 2014 [cited by applicant]
US D718341S · Gur et al. · 2014 [cited by applicant]
US 8892352B2 · Petereit et al. · 2014 [cited by applicant]
US D718793S · Gur et al. · 2014 [cited by applicant]
US 8911192B2 · Hohmann et al. · 2014 [cited by applicant]
US 8918241B2 · Chen et al. · 2014 [cited by applicant]
US 8925667B2 · Chen · 2015 [cited by applicant]
US 8930023B2 · Gutmann et al. · 2015 [cited by applicant]
US 8930024B2 · Abramson · 2015 [cited by applicant]
US 8938318B2 · Bergström et al. · 2015 [cited by applicant]
US 8942862B2 · Markusson et al. · 2015 [cited by applicant]
US 8954193B2 · Sandin et al. · 2015 [cited by applicant]
US 8958911B2 · Wong et al. · 2015 [cited by applicant]
US 8958939B2 · Einecke et al. · 2015 [cited by applicant]
US 8965578B2 · Versteeg et al. · 2015 [cited by applicant]
US 8989946B2 · Anderson · 2015 [cited by applicant]
US 8989972B2 · Anderson · 2015 [cited by applicant]
US 8996171B2 · Anderson et al. · 2015 [cited by applicant]
US 8996177B2 · Coenen · 2015 [cited by applicant]
US D729280S · Näslund et al. · 2015 [cited by applicant]
US 9021777B2 · Johnson et al. · 2015 [cited by applicant]
US 9026299B2 · Johnson et al. · 2015 [cited by applicant]
US 9026302B2 · Stout et al. · 2015 [cited by applicant]
US 9031050B2 · Cherian et al. · 2015 [cited by applicant]
US 9037294B2 · Chung et al. · 2015 [cited by applicant]
US 9043016B2 · Filippov et al. · 2015 [cited by applicant]
US 9043129B2 · Bonefas et al. · 2015 [cited by applicant]
US D731402S · Tedesco et al. · 2015 [cited by applicant]
US 9043952B2 · Sandin et al. · 2015 [cited by applicant]
US 9043953B2 · Sandin et al. · 2015 [cited by applicant]
US 9072218B2 · Johnson et al. · 2015 [cited by applicant]
US 9072219B2 · Da Rocha et al. · 2015 [cited by applicant]
US 9079303B2 · Abramson et al. · 2015 [cited by applicant]
US 9093868B2 · Baxter · 2015 [cited by applicant]
US 9104204B2 · Jones et al. · 2015 [cited by applicant]
US 9104206B2 · Biber et al. · 2015 [cited by applicant]
US 9110471B2 · Pack et al. · 2015 [cited by applicant]
US 9113595B2 · Roth et al. · 2015 [cited by applicant]
US 9119341B2 · Jägenstedt · 2015 [cited by applicant]
US 9137943B2 · Einecke et al. · 2015 [cited by applicant]
US 9144193B2 · Paden · 2015 [cited by applicant]
US 9182763B2 · Park et al. · 2015 [cited by applicant]
US 9186800B2 · Shin et al. · 2015 [cited by applicant]
US 9188980B2 · Anderson · 2015 [cited by applicant]
US 9188983B2 · Stout et al. · 2015 [cited by applicant]
US 9195256B2 · Robbins et al. · 2015 [cited by applicant]
US D745897S · Mehra et al. · 2015 [cited by applicant]
US 9213934B1 · Versteeg et al. · 2015 [cited by applicant]
US 9215957B2 · Cohen et al. · 2015 [cited by applicant]
US 9223312B2 · Goel et al. · 2015 [cited by applicant]
US 9232692B2 · Björn et al. · 2016 [cited by applicant]
US 9235214B2 · Anderson · 2016 [cited by applicant]
US 9236637B2 · Anderson · 2016 [cited by applicant]
US 9241441B2 · Björn et al. · 2016 [cited by applicant]
US D748568S · Helin et al. · 2016 [cited by applicant]
US 9258942B2 · Biber et al. · 2016 [cited by applicant]
US 9268331B2 · Abramson et al. · 2016 [cited by applicant]
US 9276419B2 · Borinato et al. · 2016 [cited by applicant]
US 9278690B2 · Smith · 2016 [cited by applicant]
US 9301444B2 · Campbell et al. · 2016 [cited by applicant]
US D757637S · Horowitz · 2016 [cited by applicant]
US 9327407B2 · Jones et al. · 2016 [cited by applicant]
US 9335767B2 · Jang et al. · 2016 [cited by applicant]
US 9338130B2 · Von Huben et al. · 2016 [cited by applicant]
US 9348897B2 · Shoham et al. · 2016 [cited by applicant]
US 9349187B2 · Schepelmann et al. · 2016 [cited by applicant]
US D758455S · Maibach et al. · 2016 [cited by applicant]
US D759577S · Wang et al. · 2016 [cited by applicant]
US 9357699B2 · Elonsson · 2016 [cited by applicant]
US 9363945B2 · Jägenstedt et al. · 2016 [cited by applicant]
US 9375842B2 · Shamlian et al. · 2016 [cited by applicant]
US 9376027B2 · Harris · 2016 [cited by applicant]
US D760806S · Cmich et al. · 2016 [cited by applicant]
US 9380742B2 · Biber et al. · 2016 [cited by applicant]
US 9405294B2 · Jägenstedt et al. · 2016 [cited by applicant]
US 9412515B2 · Hyde et al. · 2016 [cited by applicant]
US 9419453B2 · Andersson et al. · 2016 [cited by applicant]
US 9420741B2 · Balutis et al. · 2016 [cited by applicant]
US 9421879B2 · Pastoor et al. · 2016 [cited by applicant]
US 9426946B2 · Fisher · 2016 [cited by applicant]
US 9429950B2 · Sjöholm · 2016 [cited by applicant]
US 9436185B2 · Schnittman · 2016 [cited by applicant]
US 9439348B2 · Biber et al. · 2016 [cited by applicant]