A61M 1/3406
Physical characteristics of the filtrate
Official title: {Physical characteristics of the filtrate, e.g. urea}
A61M1/3406 (Physical characteristics of the filtrate) appears on 135 US grants and 158 published applications in this corpus.
Search patents in A61M- Granted patents
- 135
- Published applications
- 158
- Assignees
- 61
- Inventors
- 257
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 4 | 3 |
| 2006 | 2 | 4 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 3 | 2 |
| 2010 | 1 | 3 |
| 2011 | 2 | 6 |
| 2012 | 1 | 4 |
| 2013 | 5 | 6 |
| 2014 | 1 | 14 |
| 2015 | 3 | 6 |
| 2016 | 5 | 8 |
| 2017 | 10 | 17 |
| 2018 | 12 | 14 |
| 2019 | 10 | 16 |
| 2020 | 17 | 13 |
| 2021 | 12 | 7 |
| 2022 | 7 | 6 |
| 2023 | 5 | 8 |
| 2024 | 7 | 6 |
| 2025 | 8 | 2 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dialysis fluid testing system30 Jun 2026US 12,667,651 B2Fresenius Medical Care Holdings, Inc.
- 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
- Wearable hemofiltration artificial kidney27 Jan 2026US 12,533,448 B2Volutrol Inc.
- Systems, methods, and devices for removing circulating tumor cells from blood13 Jan 2026US 12,521,477 B2Onco Filtration, Inc.
- Systems, Methods, and Devices for Removing Circulating Tumor Cells from Blood14 May 2026US 2026/0131063 A1Onco Filtration, Inc.
- Wearable hemofiltration artificial kidney7 May 2026US 2026/0124350 A1Volutrol Inc.
- Treating circulating cell clusters12 Mar 2026US 2026/0069755 A1OncoClear, Inc.
- Apparatus for removing chemotherapy compounds from blood29 Jan 2026US 2026/0027276 A1Delcath Systems, Inc.
- Generating medical fluid for renal replacement therapy19 Jun 2025US 2025/0195730 A1Gambro Lundia AB
Most cited
By later US patents
- Autologous blood recovery membrane system and method473US 5,055,198 A1991
- Blood pumping and processing system359US 5,423,738 A1995
- Organ support system250US 5,368,555 AHepatix, Inc. · 1994
- Device for concentrating plasma235US 6,010,627 AQuantic Biomedical Partners · 2000
- Systems and methods for processing cellular rich suspensions183US 5,234,608 ABaxter International Inc. · 1993