A61M 1/365
Through membranes
Official title: {through membranes, e.g. by inverted trans-membrane pressure [TMP]}
A61M1/365 (Through membranes) appears on 176 US grants and 162 published applications in this corpus.
Search patents in A61M- Granted patents
- 176
- Published applications
- 162
- Assignees
- 48
- Inventors
- 224
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 14 | 0 |
| 1998 | 12 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 0 | 9 |
| 2011 | 3 | 12 |
| 2012 | 3 | 7 |
| 2013 | 7 | 12 |
| 2014 | 8 | 8 |
| 2015 | 12 | 8 |
| 2016 | 9 | 12 |
| 2017 | 10 | 11 |
| 2018 | 14 | 6 |
| 2019 | 9 | 8 |
| 2020 | 8 | 10 |
| 2021 | 5 | 6 |
| 2022 | 5 | 8 |
| 2023 | 6 | 9 |
| 2024 | 12 | 14 |
| 2025 | 8 | 6 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, assemblies, and methods of trauma management29 Sep 2026US 12,746,316 B2Lazarus Technologies LLC
- 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
- Blood purification apparatus24 Feb 2026US 12,558,467 B2Nikkiso Co., Ltd.
- Extracorporeal device and method for removal of secondary membrane25 Nov 2025US 12,478,717 B2Fresenius Medical Care Holdings, Inc.
- Dialysis system and methods20 Aug 2026US 2026/0241085 A1
- Wearable hemofiltration artificial kidney7 May 2026US 2026/0124350 A1Volutrol Inc.
- Blood purification device12 Feb 2026US 2026/0041833 A1Nikkiso Co., Ltd.
- Blood Purification Apparatus5 Feb 2026US 2026/0034282 A1Nikkiso Co., Ltd.
- Extracorporeal device and method for removal of secondary membrane1 Jan 2026US 2026/0000819 A1Fresenius Medical Care Holdings, Inc.
Most cited
By later US patents
- 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
- Blood treatment systems and methods274US 8,409,441 B2DEKA Products Limited Partnership · 2013
- Combined hemofiltration and hemodialysis system264US 5,114,580 AThe Board of Regents of the University of Washington · 1992
- Hemodialysis machine with automatic priming by induced pressure pulses251US 5,863,421 AAksys, Ltd. · 1999