A61M 5/16877
Passive flow controllers
Official title: {Passive flow controllers; Devices for setting a flow rate (clamp-type valves A61M39/28)}
A61M5/16877 (Passive flow controllers) appears on 1,163 US grants and 1,490 published applications in this corpus.
Search patents in A61M- Granted patents
- 1,163
- Published applications
- 1,490
- Assignees
- 519
- Inventors
- 2,232
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 11 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 13 | 7 |
| 2002 | 12 | 17 |
| 2003 | 19 | 23 |
| 2004 | 15 | 41 |
| 2005 | 13 | 42 |
| 2006 | 14 | 27 |
| 2007 | 10 | 35 |
| 2008 | 16 | 35 |
| 2009 | 16 | 34 |
| 2010 | 25 | 52 |
| 2011 | 32 | 52 |
| 2012 | 43 | 65 |
| 2013 | 39 | 40 |
| 2014 | 43 | 71 |
| 2015 | 34 | 56 |
| 2016 | 44 | 66 |
| 2017 | 59 | 61 |
| 2018 | 48 | 74 |
| 2019 | 72 | 75 |
| 2020 | 66 | 96 |
| 2021 | 47 | 102 |
| 2022 | 72 | 126 |
| 2023 | 78 | 98 |
| 2024 | 78 | 71 |
| 2025 | 76 | 66 |
| 2026 | 46 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Implantable guide device29 Sep 2026US 12,746,089 B2Neurochase Technologies Limited
- Differential pressure fluid delivery system29 Sep 2026US 12,746,332 B2Bio Health Frontiers, Inc.
- Machine and accessories for performing double volume exchange transfusion in neonates22 Sep 2026US 12,741,083 B2Council of Scientific and Industrial Research
- Closed stopcock1 Sep 2026US 12,723,665 B2Elcam Medical Agricultural Cooperative Association Ltd.
- Mechanically wound infusion pump11 Aug 2026US 12,702,753 B2
- Medicament delivery system and method therefor8 Oct 2026US 2026/0306737 A1Shl Medical AG
- A method of establishing a flow delivery rate of a medicament delivery device1 Oct 2026US 2026/0295155 A1Shl Medical AG
- Universal flow limiter assembly1 Oct 2026US 2026/0295157 A1CareFusion 303, Inc.
- Flow Restriction Devices, Methods, and Systems17 Sep 2026US 2026/0273179 A1NxStage Medical, Inc.
- Reciprocating pump17 Sep 2026US 2026/0275970 A1Becton, Dickinson and Company
Most cited
By later US patents
- Wearable, self-contained drug infusion device1,559US 6,589,229 B1Becton, Dickinson and Company · 2003
- Disposable infusion device834US 6,485,461 B1Insulet Corporation · 2002
- Portable injection appliance820US 4,886,499 AHoffmann-La Roche Inc. · 1989
- Variable flow implantable infusion apparatus580US 4,447,224 AInfusaid, Inc. · 1984
- Cassette for intravenous-line flow-control system453US 6,165,154 ADEKA Products Limited Partnership · 2000