A61M 1/1623
Disposition or location of membranes relative to fluids
Official title: {Disposition or location of membranes relative to fluids}
A61M1/1623 (Disposition or location of membranes relative to fluids) appears on 247 US grants and 215 published applications in this corpus.
Search patents in A61M- Granted patents
- 247
- Published applications
- 215
- Assignees
- 124
- Inventors
- 518
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 14 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 13 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 7 | 4 |
| 2003 | 6 | 4 |
| 2004 | 3 | 5 |
| 2005 | 2 | 5 |
| 2006 | 2 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 5 |
| 2010 | 1 | 4 |
| 2011 | 0 | 6 |
| 2012 | 5 | 4 |
| 2013 | 3 | 4 |
| 2014 | 1 | 1 |
| 2015 | 6 | 11 |
| 2016 | 4 | 7 |
| 2017 | 7 | 10 |
| 2018 | 5 | 11 |
| 2019 | 11 | 14 |
| 2020 | 10 | 17 |
| 2021 | 7 | 27 |
| 2022 | 15 | 17 |
| 2023 | 16 | 10 |
| 2024 | 16 | 18 |
| 2025 | 19 | 13 |
| 2026 | 6 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Oxygenator with improved blood mixing6 Oct 2026US 12,752,044 B2CardiacAssist, Inc.
- Working fluid treatment device for mass transfer between a working fluid and two fluid exchange media11 Aug 2026US 12,702,744 B2Maquet Cardiopulmonary GmbH
- Blood oxygenator with an organic membrane21 Jul 2026US 12,685,806 B2Slaski Uniwersytet Medyczny
- Blood oxygenator with an organic membrane12 May 2026US 12,623,010 B2Slaski Uniwersytet Medyczny
- Fluid line autoconnect apparatus and methods for medical treatment system17 Feb 2026US 12,551,605 B2DEKA Products Limited Partnership
- Gas exchange tubing10 Sep 2026US 2026/0263670 A1ABIOMED, Inc.
- Oxygenator30 Jul 2026US 2026/0216412 A1Terumo Kabushiki Kaisha
- Oxygenator30 Jul 2026US 2026/0216413 A1Terumo Kabushiki Kaisha
- Oxygenator30 Jul 2026US 2026/0216655 A1Terumo Kabushiki Kaisha
- Surface Coatings for Enhanced Substrate Properties30 Jul 2026US 2026/0217554 A1Temple University of the Commonwealth System of Higher Education
Most cited
By later US patents
- Hemofiltration and plasmafiltration devices and methods308US 5,919,369 AHemocleanse, Inc. · 1999
- Extracorporeal blood oxygenation system incorporating integrated reservoir-membrane oxygenerator-heat exchanger and pump assembly220US 5,270,005 ABaxter International Inc. · 1993
- Hemofiltration and plasmafiltration devices and methods214US 5,536,412 AHemocleanse, Inc. · 1996
- Fluid volume determination for medical treatment system207US 8,197,439 B2DEKA Products Limited Partnership · 2012
- Device and method for extracorporeal blood treatment185US 5,277,820 AHemocleanse, Inc. · 1994