A61M 1/3609
Physical characteristics of the blood
Official title: {Physical characteristics of the blood, e.g. haematocrit, urea}
A61M1/3609 (Physical characteristics of the blood) appears on 575 US grants and 614 published applications in this corpus.
Search patents in A61M- Granted patents
- 575
- Published applications
- 614
- Assignees
- 175
- Inventors
- 794
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 18 | 0 |
| 1998 | 15 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 4 |
| 2002 | 5 | 16 |
| 2003 | 18 | 11 |
| 2004 | 19 | 29 |
| 2005 | 12 | 9 |
| 2006 | 10 | 11 |
| 2007 | 10 | 12 |
| 2008 | 6 | 17 |
| 2009 | 9 | 11 |
| 2010 | 13 | 16 |
| 2011 | 8 | 14 |
| 2012 | 12 | 29 |
| 2013 | 16 | 22 |
| 2014 | 18 | 31 |
| 2015 | 24 | 31 |
| 2016 | 16 | 22 |
| 2017 | 31 | 27 |
| 2018 | 13 | 34 |
| 2019 | 30 | 33 |
| 2020 | 32 | 32 |
| 2021 | 29 | 40 |
| 2022 | 32 | 32 |
| 2023 | 21 | 42 |
| 2024 | 36 | 45 |
| 2025 | 36 | 26 |
| 2026 | 20 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for generating AC volume recommendation for plasma collection8 Sep 2026US 12,728,189 B2Fenwal, Inc.
- Apparatus for extracorporeal blood treatment11 Aug 2026US 12,702,734 B2Gambro Lundia AB
- Sensing system with improved fluidics control16 Jun 2026US 12,656,227 B2Analog Devices International Unlimited Company
- Therapy prediction and optimization for renal failure blood therapy9 Jun 2026US 12,649,020 B2Vantive Health GmbH
- Apparatus for extracorporeal treatment of blood including calculation of pre-blood pump infusion flow rate9 Jun 2026US 12,649,021 B2Gambro Lundia AB
- Device and method for determination of a co2 partial pressure value on a blood side of an oxygenator24 Sep 2026US 2026/0284287 A1Abiomed Europe GmbH
- Determination of gas exchange device performance13 Aug 2026US 2026/0232883 A1Maquet Cardiopulmonary GmbH
- Systems, devices, and methods for fluid monitoring30 Jul 2026US 2026/0215737 A1
- Control device or closed-loop control device for a blood treatment apparatus for regulating the clearance during dialysis30 Jul 2026US 2026/0216411 A1
- Devices and methods for detecting mixing cloud locations23 Jul 2026US 2026/0207142 A1ABIOMED, Inc.
Most cited
By later US patents
- Computer-control medical care system620US 4,370,983 A1983
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997
- Autologous blood recovery membrane system and method473US 5,055,198 A1991
- System and method for noninvasive hematocrit monitoring397US 5,372,136 ANoninvasive Medical Technology Corporation · 1994
- Hemostatic system and components for extracorporeal circuit379US 6,733,471 B1Medtronic, Inc. · 2004