A61M 1/3644
Mode of operation
Official title: {Mode of operation}
A61M1/3644 (Mode of operation) appears on 694 US grants and 590 published applications in this corpus.
Search patents in A61M- Granted patents
- 694
- Published applications
- 590
- Assignees
- 169
- Inventors
- 855
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 10 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 25 | 0 |
| 1998 | 34 | 0 |
| 1999 | 21 | 0 |
| 2000 | 13 | 0 |
| 2001 | 17 | 3 |
| 2002 | 13 | 17 |
| 2003 | 15 | 10 |
| 2004 | 11 | 20 |
| 2005 | 6 | 13 |
| 2006 | 7 | 9 |
| 2007 | 13 | 9 |
| 2008 | 6 | 10 |
| 2009 | 7 | 20 |
| 2010 | 10 | 22 |
| 2011 | 13 | 20 |
| 2012 | 12 | 21 |
| 2013 | 17 | 31 |
| 2014 | 20 | 30 |
| 2015 | 21 | 37 |
| 2016 | 30 | 36 |
| 2017 | 31 | 35 |
| 2018 | 36 | 30 |
| 2019 | 29 | 34 |
| 2020 | 37 | 32 |
| 2021 | 26 | 26 |
| 2022 | 19 | 22 |
| 2023 | 25 | 36 |
| 2024 | 35 | 36 |
| 2025 | 32 | 19 |
| 2026 | 13 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems, assemblies, and methods of trauma management29 Sep 2026US 12,746,316 B2Lazarus Technologies LLC
- Systems and methods for returning treated mononuclear cells to a blood source29 Sep 2026US 12,746,317 B2Fenwal, Inc.
- Methods and systems for high-throughput blood component collection22 Sep 2026US 12,741,074 B2Terumo BCT, Inc.
- Method for filling a membrane1 Sep 2026US 12,721,938 B2Fresenius Medical Care Deutschland GmbH
- Automatic emptying of a dialyzer following a blood treatment therapy9 Jun 2026US 12,649,023 B2B. Braun Avitum AG
- Dialysis system and methods20 Aug 2026US 2026/0241085 A1
- Blood purification apparatus6 Aug 2026US 2026/0224791 A1Nikkiso Co., Ltd.
- Recirculation Connector for Hemodialysis with Integrated Clamping Mechanism2 Jul 2026US 2026/0183526 A1
- Wearable hemofiltration artificial kidney7 May 2026US 2026/0124350 A1Volutrol Inc.
- Extracorporeal blood treatment device5 Mar 2026US 2026/0061103 A1Fresenius Medical Care Deutschland GmbH
Most cited
By later US patents
- Peripheral cardiopulmonary bypass and coronary reperfusion system532US 5,011,469 AShiley Incorporated · 1991
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997
- Technique for extracorporeal treatment of blood460US 5,910,252 ACobe Laboratories, Inc. · 1999
- Extracorporeal circulation apparatus437US 4,828,543 A1989
- Integrated cassette for controlling fluid having an integral filter430US 6,491,656 B1Therakos, Inc. · 2002