A61M 5/16886
For measuring fluid flow rate, i.e. flowmeters
Official title: {for measuring fluid flow rate, i.e. flowmeters}
A61M5/16886 (For measuring fluid flow rate, i.e. flowmeters) appears on 767 US grants and 879 published applications in this corpus.
Search patents in A61M- Granted patents
- 767
- Published applications
- 879
- Assignees
- 301
- Inventors
- 1,183
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 9 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 11 | 0 |
| 1986 | 6 | 0 |
| 1987 | 12 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 4 |
| 2003 | 5 | 8 |
| 2004 | 5 | 7 |
| 2005 | 3 | 9 |
| 2006 | 4 | 13 |
| 2007 | 3 | 13 |
| 2008 | 6 | 17 |
| 2009 | 4 | 24 |
| 2010 | 13 | 49 |
| 2011 | 22 | 36 |
| 2012 | 17 | 61 |
| 2013 | 28 | 28 |
| 2014 | 23 | 41 |
| 2015 | 26 | 36 |
| 2016 | 35 | 36 |
| 2017 | 37 | 39 |
| 2018 | 30 | 48 |
| 2019 | 55 | 63 |
| 2020 | 44 | 59 |
| 2021 | 31 | 51 |
| 2022 | 56 | 65 |
| 2023 | 53 | 45 |
| 2024 | 37 | 45 |
| 2025 | 51 | 43 |
| 2026 | 13 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus, system and method for fluid delivery6 Oct 2026US 12,751,899 B2DEKA Products Limited Partnership
- Flow metering insert and/or device28 Jul 2026US 12,691,219 B2
- Fluid delivery system14 Jul 2026US 12,678,555 B2Analog Devices, Inc.
- Devices, methods and systems for wireless control of medical devices9 Jun 2026US 12,649,026 B2DEKA Products Limited Partnership
- 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
- Catheter occlusion detection sensor1 Oct 2026US 2026/0295156 A1CareFusion 303, Inc.
- Methods and systems for controlling an infusion pump1 Oct 2026US 2026/0295159 A1DEKA Products Limited Partnership
- Microsphere delivery apparatus providing real-time measuring of delivered radioactivity24 Sep 2026US 2026/0283572 A1Beth Israel Deaconess Medical Center, Inc.
- Devices, methods and systems for wireless control of medical devices24 Sep 2026US 2026/0284300 A1
- Medical fluid flow devices24 Sep 2026US 2026/0284306 A1CareFusion 303, Inc.
Most cited
By later US patents
- Wearable, self-contained drug infusion device1,559US 6,589,229 B1Becton, Dickinson and Company · 2003
- Variable flow implantable infusion apparatus580US 4,447,224 AInfusaid, Inc. · 1984
- Medical infusion controller and user interface352US 4,634,426 ABaxter Travenol Laboratories, Inc. · 1987
- Controlled fluid transfer system340US 6,280,408 B12001
- Drop volume measurement system313US 4,820,281 AIvy Medical, Inc. · 1989