A61M 1/3437
Downstream of the filter
Official title: {downstream of the filter, e.g. post-dilution with filtrate}
A61M1/3437 (Downstream of the filter) appears on 366 US grants and 330 published applications in this corpus.
Search patents in A61M- Granted patents
- 366
- Published applications
- 330
- Assignees
- 101
- Inventors
- 459
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 15 | 0 |
| 1998 | 15 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 9 |
| 2002 | 4 | 11 |
| 2003 | 7 | 7 |
| 2004 | 14 | 16 |
| 2005 | 5 | 16 |
| 2006 | 5 | 7 |
| 2007 | 8 | 11 |
| 2008 | 4 | 8 |
| 2009 | 8 | 10 |
| 2010 | 14 | 19 |
| 2011 | 3 | 19 |
| 2012 | 13 | 21 |
| 2013 | 12 | 19 |
| 2014 | 20 | 13 |
| 2015 | 25 | 17 |
| 2016 | 19 | 18 |
| 2017 | 14 | 18 |
| 2018 | 10 | 10 |
| 2019 | 21 | 20 |
| 2020 | 18 | 11 |
| 2021 | 15 | 7 |
| 2022 | 6 | 9 |
| 2023 | 10 | 13 |
| 2024 | 13 | 14 |
| 2025 | 12 | 4 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and methods incorporating replacement fluid maximization11 Aug 2026US 12,702,738 B2Fenwal, Inc.
- Methods and devices for the enrichment of immunoglobulin from blood30 Jun 2026US 12,668,609 B2Haemonetics Corporation
- Apparatus for extracorporeal treatment of blood including calculation of pre-blood pump infusion flow rate9 Jun 2026US 12,649,021 B2Gambro Lundia AB
- Regional citrate anticoagulation infusion system, control method and system, and medium26 May 2026US 12,636,420 B2Shanghai Superb Medical Technology Co., Ltd
- Apparatus for extracorporeal blood treatment12 May 2026US 12,623,008 B2Gambro Lundia AB
- Method for operating a device for extracorporeal blood treatment, and device for extracorporeal blood treatment18 Jun 2026US 2026/0166207 A1
- Wearable hemofiltration artificial kidney7 May 2026US 2026/0124350 A1Volutrol Inc.
- Hemodialysis device9 Apr 2026US 2026/0097158 A1Shibuya Corporation
- A dialysis apparatus which ultra-filters blood and a related method28 Aug 2025US 2025/0269101 A1Ipswich Medical Research Limited
- Systems and methods for peritoneal dialysis with continuous flow20 Feb 2025US 2025/0058033 A1
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
- Combined hemofiltration and hemodialysis system264US 5,114,580 AThe Board of Regents of the University of Washington · 1992
- Medical fluid therapy flow balancing and synchronization system263US 7,029,456 B2Baxter Healthcare S. A. · 2006
- Hemodialysis machine with automatic priming by induced pressure pulses251US 5,863,421 AAksys, Ltd. · 1999