IP Library › Granted Patent US 1,104,260
Granted Patent S1
US 1,104,260 · App. 29/939,823 · Granted Dec 2, 2025

Linear blood flow chamber

Inventor: Perry Law (Kaysville, UT)
Assignee: Fresenius Medical Care Holdings, 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 1,104,260
App. No.
29/939,823
Granted
Dec 2, 2025
Kind
S1
Claims (1)

The ornamental design for a linear blood flow chamber, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 7, 2024
From: LAW, PERRY
To: FRESENIUS MEDICAL CARE HOLDINGS, INC.
Reel/Frame 067333/0062 →
References Cited (46)
US D206714S · Badkar · 1967 [cited by applicant]
US 6554788B1 · Hunley · 2003 [cited by applicant]
US D518573S · French · 2006 [cited by applicant]
US D623302S · Barrett · 2010 [cited by applicant]
US D625824S · Brackett · 2010 [cited by applicant]
US D654999S · Barrett et al. · 2012 [cited by applicant]
US 8241237B2 · Gatti et al. · 2012 [cited by applicant]
US 8328748B2 · Law et al. · 2012 [cited by applicant]
US 8333724B2 · Barrett et al. · 2012 [cited by applicant]
US D684695S · Green · 2013 [cited by applicant]
US 8517968B2 · Barrett et al. · 2013 [cited by applicant]
US 8523799B2 · Biesel et al. · 2013 [cited by applicant]
US 8632487B2 · Günther et al. · 2014 [cited by applicant]
US 8743354B2 · Barrett et al. · 2014 [cited by applicant]
US D725261S · Barrett et al. · 2015 [cited by applicant]
US 9194792B2 · Barrett et al. · 2015 [cited by applicant]
US 9285305B2 · Barrett et al. · 2016 [cited by applicant]
US 9308306B2 · Barrett et al. · 2016 [cited by applicant]
US D757934S · Barrett et al. · 2016 [cited by applicant]
US D799031S · Barrett · 2017 [cited by examiner]
US 9849225B2 · Barrett et al. · 2017 [cited by applicant]
US 9945838B2 · Doyle · 2018 [cited by applicant]
US D829119S · Osawa · 2018 [cited by applicant]
US 10195411B2 · Chau et al. · 2019 [cited by applicant]
US D851243S · Gloria Bello · 2019 [cited by examiner]
US D878576S · Johnson · 2020 [cited by examiner]
US D979050S · Law et al. · 2023 [cited by applicant]
US 20060033331A1 · Ziman · 2006 [cited by applicant]
US 20100110416A1 · Barrett · 2010 [cited by applicant]
US 20110160679A1 · Okiyama · 2011 [cited by applicant]
US 20110208160A1 · Wu · 2011 [cited by applicant]
US 20120154789A1 · Barrett · 2012 [cited by applicant]
US 20120218541A1 · Barrett et al. · 2012 [cited by applicant]
US 20130030348A1 · Lauer · 2013 [cited by applicant]
US 20130066272A1 · Scagliarini · 2013 [cited by examiner]
US 20140233026A1 · Barrett et al. · 2014 [cited by applicant]
US 20150238672A1 · Barrett et al. · 2015 [cited by applicant]
US 20230062073A1 · Formanek · 2023 [cited by examiner]
US 20240115803A1 · Guala · 2024 [cited by examiner]
US 20240299726A1 · Schwarz · 2024 [cited by examiner]
CN 302124455 · 2012 [cited by examiner]
EM 0150759850003 · 2024 [cited by examiner]
JP D1774371 · 2024 [cited by examiner]
Introducing CombiSet SMARTECH™, Presenius Medical Care, [Post date: Feb. 12, 2025], [Site seen: May 22, 2025], URL: https://freseniusmedicalcare.com/en-us/products/disposables/bloodlines/combiset-smartech/ (Year: 2025). [cited by examiner]
DripChamber With SpikeFor TransfusionSet, Kmed, [Post date unknown], [Site seen: May 22, 2025], URL: https://www.kmedhealth.com/product/transfusion-set-drip-chamber-with-spike/ (Year: 2025). [cited by examiner]
Canadian Intellectual Property Office, Examiner Requisition in Canadian Patent Application No. 233432, mailed Jun. 13, 2025, 2 pp. [cited by applicant]