A61M 1/3626
Gas bubble detectors
Official title: {Gas bubble detectors}
A61M1/3626 (Gas bubble detectors) appears on 421 US grants and 438 published applications in this corpus.
Search patents in A61M- Granted patents
- 421
- Published applications
- 438
- Assignees
- 143
- Inventors
- 621
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 12 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 3 |
| 2002 | 3 | 14 |
| 2003 | 19 | 7 |
| 2004 | 11 | 27 |
| 2005 | 8 | 13 |
| 2006 | 5 | 13 |
| 2007 | 13 | 12 |
| 2008 | 5 | 16 |
| 2009 | 6 | 14 |
| 2010 | 17 | 10 |
| 2011 | 10 | 23 |
| 2012 | 10 | 15 |
| 2013 | 14 | 17 |
| 2014 | 13 | 16 |
| 2015 | 20 | 18 |
| 2016 | 17 | 25 |
| 2017 | 21 | 28 |
| 2018 | 15 | 21 |
| 2019 | 26 | 21 |
| 2020 | 30 | 27 |
| 2021 | 19 | 25 |
| 2022 | 6 | 12 |
| 2023 | 17 | 12 |
| 2024 | 24 | 19 |
| 2025 | 23 | 17 |
| 2026 | 5 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for a medical treatment apparatus for measuring the flow of fluids in a lumen to be inserted, and ensemble having a corresponding device and a lumen19 May 2026US 12,629,461 B2Fresenius Medical Care Deutschland GmbH
- Flowmeter for proportioning water in dialysis system17 Mar 2026US 12,576,199 B2Bellco SRL
- Methods and systems for high-throughput blood component collection3 Mar 2026US 12,564,668 B2Terumo BCT, Inc.
- Wearable hemofiltration artificial kidney27 Jan 2026US 12,533,448 B2Volutrol Inc.
- Systems, methods, and devices for removing circulating tumor cells from blood13 Jan 2026US 12,521,477 B2Onco Filtration, Inc.
- Extracorporeal life support system with air purge control8 Oct 2026US 2026/0306728 A1LivaNova Deutschland GmbH
- Detector for detecting inclusions in fluid, medical treatment device comprising the same, and method for detecting inclusions in fluid1 Oct 2026US 2026/0295136 A1
- Method of increasing flow rates in pneumatic based apd systems without risk of pushing air into the patient9 Jul 2026US 2026/0192031 A1Gambro Lundia AB
- Regulating blood flow in extracorporeal circulation21 May 2026US 2026/0137852 A1LivaNova Deutschland GmbH
- Systems, Methods, and Devices for Removing Circulating Tumor Cells from Blood14 May 2026US 2026/0131063 A1Onco Filtration, Inc.
Most cited
By later US patents
- Method for enriching a bodily fluid with a gas1,051US 6,974,435 B2TherOx, Inc. · 2005
- Method and apparatus for kidney dialysis736US 5,247,434 AAlthin Medical, Inc. · 1993
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997
- Autologous blood recovery membrane system and method473US 5,055,198 A1991
- Apparatus for performing a self-test of kidney dialysis membrane466US 5,486,286 AAlthin Medical, Inc. · 1996