A61M 1/3444
In which the collected ultra-filtrate expels an equal volume of substitution fluid
Official title: {in which the collected ultra-filtrate expels an equal volume of substitution fluid from a reservoir}
A61M1/3444 (In which the collected ultra-filtrate expels an equal volume of substitution fluid) appears on 88 US grants and 84 published applications in this corpus.
Search patents in A61M- Granted patents
- 88
- Published applications
- 84
- Assignees
- 17
- Inventors
- 65
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 7 | 1 |
| 2004 | 2 | 11 |
| 2005 | 3 | 9 |
| 2006 | 2 | 1 |
| 2007 | 3 | 1 |
| 2008 | 3 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 9 |
| 2012 | 1 | 4 |
| 2013 | 1 | 5 |
| 2014 | 2 | 0 |
| 2015 | 12 | 6 |
| 2016 | 7 | 6 |
| 2017 | 5 | 6 |
| 2018 | 2 | 1 |
| 2019 | 7 | 5 |
| 2020 | 5 | 1 |
| 2021 | 2 | 3 |
| 2022 | 1 | 0 |
| 2023 | 4 | 2 |
| 2024 | 4 | 5 |
| 2025 | 5 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Extracorporeal blood filtering machine and methods22 Aug 2024US 2024/0277928 A1Nuwellis, Inc.
- Extracorporeal blood filtering machine and methods22 Aug 2024US 2024/0277929 A1Nuwellis, Inc.
- Extracorporeal blood filtering machine and methods22 Aug 2024US 2024/0277930 A1Nuwellis, Inc.
- Extracorporeal blood filtering machine and methods22 Aug 2024US 2024/0277931 A1Nuwellis, Inc.
- Flow Balancing Devices, Methods, and Systems7 Mar 2024US 2024/0075191 A1NxStage Medical, Inc.
Most cited
By later US patents
- Fluid processing systems and methods using extracorporeal fluid flow panels oriented within a cartridge310US 6,579,253 B1NxStage Medical, Inc. · 2003
- Fluid processing systems and methods using extracorporeal fluid flow panels oriented within a cartridge281US 6,852,090 B2NxStage Medical, Inc. · 2005
- Interactive systems and methods for supporting hemofiltration therapies245US 6,673,314 B1NxStage Medical, Inc. · 2004
- Synchronized volumetric fluid balancing systems and methods240US 6,638,478 B1NxStage Medical, Inc. · 2003
- High convection home hemodialysis/hemofiltration and sorbent system230US 8,029,454 B2Baxter Healthcare S. A. · 2011