A61F 5/4405
Valves or valve arrangements specially adapted therefor
Official title: {Valves or valve arrangements specially adapted therefor (A61F5/441 takes precedence); Fluid inlets or outlets (A61F5/4407 takes precedence)}
A61F5/4405 (Valves or valve arrangements specially adapted therefor) appears on 350 US grants and 464 published applications in this corpus.
Search patents in A61F- Granted patents
- 350
- Published applications
- 464
- Assignees
- 148
- Inventors
- 746
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 4 |
| 2003 | 3 | 4 |
| 2004 | 6 | 6 |
| 2005 | 4 | 6 |
| 2006 | 4 | 6 |
| 2007 | 1 | 7 |
| 2008 | 5 | 10 |
| 2009 | 6 | 13 |
| 2010 | 4 | 7 |
| 2011 | 12 | 10 |
| 2012 | 3 | 10 |
| 2013 | 5 | 19 |
| 2014 | 11 | 10 |
| 2015 | 12 | 21 |
| 2016 | 11 | 12 |
| 2017 | 5 | 21 |
| 2018 | 18 | 25 |
| 2019 | 20 | 24 |
| 2020 | 12 | 26 |
| 2021 | 14 | 29 |
| 2022 | 18 | 44 |
| 2023 | 21 | 35 |
| 2024 | 27 | 41 |
| 2025 | 36 | 53 |
| 2026 | 18 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Conduits including at least one conduit porous material11 Aug 2026US 12,702,579 B2Purewick Corporation
- Vacuum system to clear standing column of fluid4 Aug 2026US 12,697,426 B2C. R. Bard, Inc.
- Urine collection device and anti-backflow assembly for a urine collection device27 Aug 2026US 2026/0248635 A1
- Body Liquid Drainage System6 Aug 2026US 2026/0224793 A1C. R. Bard, Inc.
- Urine collection device30 Jul 2026US 2026/0215957 A1
- Nursing Machine23 Jul 2026US 2026/0207407 A1Suzhou Alton Electrical & Mechanical Industry Co., Ltd.
- Apparatus and methods for receiving discharged urine16 Jul 2026US 2026/0199122 A1Purewick Corporation
Most cited
By later US patents
- Conformable balloonless catheter222US 6,855,126 B22005
- Female urinary incontinence device201US 4,795,449 AHollister Incorporated · 1989
- Slide valve and coupler assembly194US 4,306,705 A1981
- Female urinary collection devices having hollow-walled filled urine receptacles146US 4,889,533 A1989
- Condom catheter with improved valve and retaining means128US 5,618,277 A1997