A61M 1/322
Antifoam
Official title: {Antifoam; Defoaming}
A61M1/322 (Antifoam) appears on 82 US grants and 17 published applications in this corpus.
Search patents in A61M- Granted patents
- 82
- Published applications
- 17
- Assignees
- 38
- Inventors
- 112
- Latest grant
- 11 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 9 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Priming of spinning membrane separators11 Jun 2024US 12,005,170 B2Fenwal, Inc.
- System for the extracorporeal elimination of carbon monoxide5 Apr 2022US 11,291,754 B2Rheinisch-Westfaelische Technische Hochschule (Rwth) Aachen
- Blood perfusion system19 Jul 2016US 9,393,357 B2Sorin Group USA, Inc.
- Oxygenator with integrated arterial filter including filter frame20 Oct 2015US 9,162,022 B2Politecnico Di Milano
- Liquid collection container and extracorporeal circuit21 Apr 2015US 9,011,360 B2Terumo Kabushiki Kaisha
- Priming Of Spinning Membrane Separators9 Jun 2022US 2022/0176025 A1Fenwal, Inc.
- System for the extracorporeal elimination of carbon monoxide17 Sep 2020US 2020/0289736 A1Rheinisch-Westfaelische Technischule Aachen
- Intracorporeal artificial lung11 Aug 2016US 2016/0228630 A1
- Blood perfusion system10 Apr 2014US 2014/0099235 A1Sorin Group USA, Inc.
- Liquid collection container and extracorporeal circuit12 Dec 2013US 2013/0331809 A1Terumo Kabushiki Kaisha
Most cited
By later US patents
- Cardiotomy reservoir124US 4,662,906 APall Corporation · 1987
- Blood oxygenator with integral heat exchanger for regulating the temperature of blood in an extracorporeal circuit119US 4,065,264 AShiley Laboratories, Inc. · 1977
- Blood filter117US 4,572,724 APall Corporation · 1986
- Unitary venous return reservoir with cardiotomy filter115US 4,642,089 AShiley Incorporated · 1987
- Blood/gas separator and flow system97US 5,049,146 ABaxter International Inc. · 1991