A61M 1/3624
Level detectors
Official title: {Level detectors; Level control}
A61M1/3624 (Level detectors) appears on 212 US grants and 165 published applications in this corpus.
Search patents in A61M- Granted patents
- 212
- Published applications
- 165
- Assignees
- 62
- Inventors
- 261
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 13 | 0 |
| 1998 | 13 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 4 | 3 |
| 2003 | 3 | 3 |
| 2004 | 4 | 4 |
| 2005 | 3 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 1 |
| 2011 | 3 | 14 |
| 2012 | 0 | 7 |
| 2013 | 5 | 11 |
| 2014 | 6 | 10 |
| 2015 | 13 | 11 |
| 2016 | 7 | 12 |
| 2017 | 16 | 15 |
| 2018 | 4 | 8 |
| 2019 | 13 | 7 |
| 2020 | 8 | 8 |
| 2021 | 6 | 7 |
| 2022 | 7 | 8 |
| 2023 | 9 | 7 |
| 2024 | 12 | 9 |
| 2025 | 13 | 6 |
| 2026 | 3 | 3 |
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
- Dynamic control of subordinate pumps in a heart-lung-machine9 Jun 2026US 12,649,024 B2LivaNova Deutschland GmbH
- Dialysis system and method including a flow path insulator10 Mar 2026US 12,569,602 B2Gambro Lundia AB
- Extracorporeal blood filtering machine and methods30 Dec 2025US 12,508,351 B2Nuwellis, Inc.
- Optical level control system16 Dec 2025US 12,496,386 B2LivaNova Deutschland GmbH
- Dynamic control of subordinate pumps in a heart-lung-machine17 Sep 2026US 2026/0273158 A1LivaNova Deutschland GmbH
- Dialysis system including a flow path insulator9 Jul 2026US 2026/0192029 A1Gambro Lundia AB
- Recirculating fluid filtration system5 Mar 2026US 2026/0061105 A1DEKA Products Limited Partnership
- Renal failure therapy method for electrically safe treatment4 Sep 2025US 2025/0276118 A1Gambro Lundia AB
- Device for automatically establishing the venous inflow to a blood reservoir of an extracorporeal blood circulation system21 Aug 2025US 2025/0262367 A1LivaNova Deutschland GmbH
Most cited
By later US patents
- Apparatus and method for sensing fluid level240US 5,747,824 AAlcon Laboratories, Inc. · 1998
- High convection home hemodialysis/hemofiltration and sorbent system230US 8,029,454 B2Baxter Healthcare S. A. · 2011
- Enhanced yield platelet collection systems and methods216US 5,370,802 ABaxter International Inc. · 1994
- Extracorporeal blood processing methods and apparatus203US 6,234,989 B1Gambro AB · 2001
- Apheresis blood processing method using pictorial displays174US 5,653,887 ACobe Laboratories, Inc. · 1997