A61M 1/0231
With gas separating means
Official title: {with gas separating means, e.g. air outlet through microporous membrane or gas bag}
A61M1/0231 (With gas separating means) appears on 121 US grants and 124 published applications in this corpus.
Search patents in A61M- Granted patents
- 121
- Published applications
- 124
- Assignees
- 48
- Inventors
- 207
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 5 | 7 |
| 2003 | 3 | 6 |
| 2004 | 6 | 9 |
| 2005 | 0 | 3 |
| 2006 | 5 | 11 |
| 2007 | 5 | 10 |
| 2008 | 3 | 7 |
| 2009 | 5 | 9 |
| 2010 | 8 | 5 |
| 2011 | 6 | 3 |
| 2012 | 2 | 4 |
| 2013 | 4 | 3 |
| 2014 | 3 | 10 |
| 2015 | 4 | 6 |
| 2016 | 6 | 2 |
| 2017 | 4 | 4 |
| 2018 | 2 | 4 |
| 2019 | 2 | 2 |
| 2020 | 2 | 3 |
| 2021 | 1 | 2 |
| 2022 | 3 | 1 |
| 2023 | 1 | 3 |
| 2024 | 2 | 0 |
| 2025 | 4 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plasma detoxification methods and systems6 Jan 2026US 12,514,967 B2Marker Holdings AG
- System for extended storage of red blood cells and methods of use23 Dec 2025US 12,502,462 B2Hemanext Inc.
- Systems and methods for inducing plug flow during fluid separation using air2 Dec 2025US 12,485,215 B2Fenwal, Inc.
- Portable device with disposable reservoir for collection of internal fluid after surgery15 Jul 2025US 12,359,659 B2Somavac Medical Solutions, Inc.
- Centrifugal fluid separation device29 Apr 2025US 12,285,757 B2Terumo BCT, Inc.
- Plasma detoxification methods and systems1 Oct 2026US 2026/0295135 A1Marker Holdings AG
- System for Extended Storage of Red Blood Cells and Methods of Use4 Jun 2026US 2026/0151546 A1Hemanext Inc.
- Blood Processing Systems7 May 2026US 2026/0124345 A1Fenwal, Inc.
- Method, system and apparatus for removing gas bubbles in a fluid circuit19 Mar 2026US 2026/0077110 A1Fenwal, Inc.
- Blood filtration system21 Aug 2025US 2025/0262368 A1Sangtech Lab Inc.
Most cited
By later US patents
- Blood collection and processing system252US 5,100,564 APall Corporation · 1992
- System and method for processing biological fluid150US 5,217,627 APall Corporation · 1993
- Systems and methods for removing undesired matter from blood cells129US 4,997,577 ABaxter International Inc. · 1991
- Blood collecting apparatus and blood-collecting method using blood collecting apparatus113US 6,328,726 B1Terumo Kabushiki Kaisha · 2001
- Pumped-filter blood-processing apparatus and methods105US 5,954,971 AHaemonetics Corporation · 1999