IP Library Granted Patent US 1,091,806
Granted Patent S1
US 1,091,806 · App. 29/714,424 · Granted Sep 2, 2025

Ear cleaning device

Inventor: Aadil Diwan (Renton, WA)
Assignee: SafKan, Inc.
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 1,091,806
App. No.
29/714,424
Granted
Sep 2, 2025
Kind
S1
Claims (1)

The ornamental design for an ear cleaning device, as shown and described.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 19, 2026
From: SAFKAN, INC.
To: ALL EARS HEALTH, INC.
Reel/Frame 074695/0899 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 4, 2019
From: DIWAN, AADIL
To: SAFKAN, INC.
Reel/Frame 051173/0748 →
References Cited (90)
US 4201212A · Bradley · 1980 [cited by applicant]
US 4206756A · Grossan · 1980 [cited by examiner]
US 5364343A · Apolet et al. · 1994 [cited by applicant]
US 5662605A · Hurwitz · 1997 [cited by examiner]
US 5685851A · Murphy et al. · 1997 [cited by applicant]
US 5944711A · Pender · 1999 [cited by applicant]
US 6210358B1 · Roger · 2001 [cited by examiner]
US D453376S · McMahon et al. · 2002 [cited by applicant]
US D453829S · McMahon et al. · 2002 [cited by applicant]
US 6458094B1 · McMahon et al. · 2002 [cited by applicant]
US 6485451B1 · Roberts et al. · 2002 [cited by applicant]
US D475132S · Randolph · 2003 [cited by applicant]
US 6706023B1 · Huttner · 2004 [cited by examiner]
US 6949088B2 · Macrae · 2005 [cited by examiner]
US D573250S · MacRae · 2008 [cited by examiner]
US D602583S · Pidgeon et al. · 2009 [cited by applicant]
US D602584S · Pidgeon et al. · 2009 [cited by applicant]
US 7699820B1 · French · 2010 [cited by applicant]
US D650894S · Gonzalez · 2011 [cited by applicant]
US 8187236B1 · French · 2012 [cited by applicant]
US 8328830B1 · Pandit · 2012 [cited by applicant]
US 8603152B2 · Smith et al. · 2013 [cited by applicant]
US 8840546B2 · Truong et al. · 2014 [cited by applicant]
US D736906S · Schultz · 2015 [cited by examiner]
US D764653S · Bjelovuk et al. · 2016 [cited by applicant]
US D764654S · Bjelovuk et al. · 2016 [cited by applicant]
US 9629953B2 · Rucinski · 2017 [cited by examiner]
US 9713710B2 · Morriss et al. · 2017 [cited by applicant]
US D804649S · Perry · 2017 [cited by examiner]
US 10420877B2 · Diwan · 2019 [cited by examiner]
US D900302S · Ancerewicz · 2020 [cited by examiner]
US 10799629B2 · Diwan · 2020 [cited by applicant]
US D900997S · Ancerewicz · 2020 [cited by examiner]
US D915582S · Jiang · 2021 [cited by applicant]
US 11141525B1 · Zhang · 2021 [cited by examiner]
US D983351S · Tanzbro et al. · 2023 [cited by applicant]
US 12128200B2 · Diwan · 2024 [cited by examiner]
US 20020173746A1 · McMahon et al. · 2002 [cited by applicant]
US 20030130613A1 · Harmon et al. · 2003 [cited by applicant]
US 20030229322A1 · Macrae · 2003 [cited by examiner]
US 20100016787A1 · Shapiro et al. · 2010 [cited by applicant]
US 20100198135A1 · Morriss et al. · 2010 [cited by applicant]
US 20100217296A1 · Morris et al. · 2010 [cited by applicant]
US 20110015489A1 · Raghuprasad · 2011 [cited by applicant]
US 20110295073A1 · Truong et al. · 2011 [cited by applicant]
US 20120302957A1 · Vlodaver et al. · 2012 [cited by applicant]
US 20130123701A1 · Hernandez Chafes · 2013 [cited by examiner]
US 20130338568A1 · Mehta · 2013 [cited by applicant]
US 20190143029A1 · Diwan · 2019 [cited by examiner]
US 20200009313A1 · Diwan · 2020 [cited by applicant]
US 20210236712A1 · Rheiner · 2021 [cited by examiner]
US 20210268168A1 · Diwan · 2021 [cited by applicant]
US 20240216178A1 · Dukovich · 2024 [cited by examiner]
CH 702267A1 · 2011 [cited by applicant]
CN 201320359Y · 2009 [cited by applicant]
CN 201968023U · 2011 [cited by applicant]
CN 203195842U · 2013 [cited by applicant]
CN 204907265U · 2015 [cited by applicant]
EP 0099759A2 · 1984 [cited by applicant]
EP 3478233B1 · 2021 [cited by applicant]
JP 5932455B2 · 2016 [cited by applicant]
WO WO8706456A1 · 1987 [cited by applicant]
WO WO2005079564A1 · 2005 [cited by applicant]
WO WO2018004785A1 · 2018 [cited by applicant]
WO WO2018027102A1 · 2018 [cited by applicant]
Audiologist's Review of the FDA-cleared OtoSet® Ear Cleaning System, posted at youtube.com, earliest date available Aug. 2, 2023, acquired on May 3, 2024, Available on internet. url:https://www.youtube.com/shorts/14nk72… [cited by examiner]
This Week in Hearing: Wax Removal with Push of a Button? A Closer Look at Otoset by Safkan Health, posted at youtube.com, earliest date available Oct. 28, 2021, acquired on May 3, 2024, Available on internet. url:https:… [cited by examiner]
Safkan Health: FDA-Cleared OtoSet® Ear Cleaning System at Amplify Hearing, posted at youtube.com, earliest date available Jan. 10, 2024, acquired on May 3, 2024, Available on internet. url:https://www.youtube.com/watch?… [cited by examiner]
Australian Office Action for Application No. AU2017289488 dated Jul. 7, 2022, 3 pages. [cited by applicant]
Casey Coombs, “Brothers behind SafKan Health tackle wax with ear-cleaning headset,” Puget Sound Business Journal, Jul. 28, 2017, 1 page. https://www.bizjournals.com/seattle/news/2017/07/28/brothers-behind-safkan-health-… [cited by applicant]
Chinese Office Action for Application No. CN20178050222 dated Feb. 8, 2022, 20 pages. [cited by applicant]
Chinese Office Action for Application No. CN20178050222 dated Jul. 4, 2022, 7 pages. [cited by applicant]
Clare McGrane, “Ear-cleaning headphones maker SafKan Health raises,” $1M to launch in U.S. hospitals, Apr. 9, 2018, pp. 1-6. https://www.geekwire.com/2018/safkan-health-raises-1-million-launch-ear-cleaning-headphones-u-… [cited by applicant]
Co-pending U.S. Appl. No. 29/714,418, inventor Aadil; Diwan, filed Nov. 22, 2019. [cited by applicant]
European Search Report issued for 21178350.1, mailed on Jan. 27, 2022, 3 pages. [cited by applicant]
International Preliminary Report on Patentability for the International Application No. PCT/US2017/027763, mailed Jan. 1, 2019, 9 pages. [cited by applicant]
Non-Final Office Action for U.S. Appl. No. 29/714,418 dated Nov. 20, 2023, 8 pages. [cited by applicant]
Office Action for Australian Application No. 2017289488, mailed Aug. 25, 2021, 7 pages. [cited by applicant]
Office Action for Canadian Application No. CA3029401 dated May 25, 2023, 3 pages. [cited by applicant]
Office Action for European Application No. EP20210178350 mailed Dec. 15, 2022, 8 pages. [cited by applicant]
Office Action for Indian Application No. 201914054184 mailed Jan. 16, 2023, 5 pages. [cited by applicant]
Office Action for Japanese Application No. 2018-568928 mailed Jan. 25, 2021, 5 pages. [cited by applicant]
Office Action for Japanese Application No. 2018-568928 mailed Oct. 1, 2021, 5 pages. [cited by applicant]
Restriction Requirement for U.S. Appl. No. 29/714,422 mailed Feb. 15, 2024, 7 pages. [cited by applicant]
International Search Report issued for the International Application No. PCT/US2017/027763, mailed Sep. 21, 2017. [cited by applicant]
Written Opinion issued for the International Application No. PCT/US2017/027763, mailed Sep. 21, 2017. [cited by applicant]
Supplementary European Search Report issued for EP17820700, mailed on Jan. 15, 2020. [cited by applicant]
Final Office Action for U.S. Appl. No. 29/714,418 mailed May 31, 2024, 6 pages. [cited by applicant]
Non-Final Office Action for U.S. Appl. No. 29/714,422 dated Jun. 6, 2024, 5 pages. [cited by applicant]
Notice of Allowance for U.S. Appl. No. 29/714,418 mailed Aug. 23, 2024, 6 pages. [cited by applicant]