A61M 1/3663
Flow rate transducers
Official title: {Flow rate transducers; Flow integrators}
A61M1/3663 (Flow rate transducers) appears on 188 US grants and 202 published applications in this corpus.
Search patents in A61M- Granted patents
- 188
- Published applications
- 202
- Assignees
- 103
- Inventors
- 365
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 4 |
| 2003 | 6 | 5 |
| 2004 | 9 | 11 |
| 2005 | 5 | 8 |
| 2006 | 4 | 5 |
| 2007 | 7 | 7 |
| 2008 | 0 | 5 |
| 2009 | 4 | 9 |
| 2010 | 5 | 4 |
| 2011 | 8 | 6 |
| 2012 | 1 | 8 |
| 2013 | 5 | 5 |
| 2014 | 9 | 13 |
| 2015 | 2 | 5 |
| 2016 | 7 | 9 |
| 2017 | 4 | 5 |
| 2018 | 3 | 8 |
| 2019 | 8 | 11 |
| 2020 | 11 | 17 |
| 2021 | 9 | 14 |
| 2022 | 11 | 10 |
| 2023 | 9 | 7 |
| 2024 | 10 | 11 |
| 2025 | 16 | 8 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for a medical treatment apparatus for measuring the flow of fluids in a lumen to be inserted, and ensemble having a corresponding device and a lumen19 May 2026US 12,629,461 B2Fresenius Medical Care Deutschland GmbH
- Devices for delivering at least one flowing media, associated sensor modules, and associated methods of mechanically and electrically coupling a sensor module to a device for delivering at least one flowing media19 May 2026US 12,629,464 B2Honeywell International Inc.
- Extracorporeal blood filtering machine and methods30 Dec 2025US 12,508,351 B2Nuwellis, Inc.
- Shunts with blood-flow indicators11 Nov 2025US 12,465,674 B2Inspire M.D Ltd.
- Method and apparatus for identifying disruption of a fluid connection between an extracorporeal circuit and a patient circulatory system11 Nov 2025US 12,465,675 B2Transonic Systems, Inc.
- Simultaneous ecmo and crrt2 Jul 2026US 2026/0183462 A1Sheba Impact Ltd.
- Combined blood pump and oxygenator system9 Apr 2026US 2026/0097160 A1Bioxy Med L.L.C-FZ
- Combined blood pump and oxygenator system9 Apr 2026US 2026/0097162 A1Bioxy Med L.L.C-FZ
- Valve mechanism for flow regulation in a shunt1 Jan 2026US 2026/0000820 A1Inspire M.D Ltd.
- Perfusion for treatment of medical conditions4 Dec 2025US 2025/0367353 A1
Most cited
By later US patents
- Method for enriching a bodily fluid with a gas1,051US 6,974,435 B2TherOx, Inc. · 2005
- Dialysis instrument with dialysate side pump for moving body fluids336US 4,661,246 AAsh Medical Systems, Inc. · 1987
- Methods, systems, and kits for the extracorporeal processing of blood272US 7,004,924 B1NxStage Medical, Inc. · 2006
- Left and right side heart support200US 6,926,662 B1A-Med Systems, Inc. · 2005
- Method and apparatus for determining a rate of flow of blood for an extracorporeal blood therapy instrument191US 4,995,268 AAsh Medical System, Incorporated · 1991