Y10T 137/7771
Bi-directional flow valves
Y10T137/7771 (Bi-directional flow valves) appears on 768 US grants and 287 published applications in this corpus.
Search patents in Y10T- Granted patents
- 768
- Published applications
- 287
- Assignees
- 438
- Inventors
- 1,099
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 19 | 0 |
| 1978 | 20 | 0 |
| 1979 | 15 | 0 |
| 1980 | 12 | 0 |
| 1981 | 19 | 0 |
| 1982 | 14 | 0 |
| 1983 | 13 | 0 |
| 1984 | 17 | 0 |
| 1985 | 17 | 0 |
| 1986 | 22 | 0 |
| 1987 | 19 | 0 |
| 1988 | 25 | 0 |
| 1989 | 16 | 0 |
| 1990 | 22 | 0 |
| 1991 | 23 | 0 |
| 1992 | 15 | 0 |
| 1993 | 19 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 16 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 20 | 0 |
| 2000 | 19 | 0 |
| 2001 | 25 | 7 |
| 2002 | 27 | 23 |
| 2003 | 20 | 20 |
| 2004 | 19 | 28 |
| 2005 | 19 | 24 |
| 2006 | 29 | 18 |
| 2007 | 19 | 16 |
| 2008 | 20 | 26 |
| 2009 | 15 | 17 |
| 2010 | 10 | 10 |
| 2011 | 12 | 13 |
| 2012 | 18 | 15 |
| 2013 | 22 | 9 |
| 2014 | 13 | 10 |
| 2015 | 11 | 9 |
| 2016 | 9 | 13 |
| 2017 | 7 | 9 |
| 2018 | 10 | 3 |
| 2019 | 10 | 6 |
| 2020 | 7 | 2 |
| 2021 | 8 | 5 |
| 2022 | 3 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Check valve and use thereof in a fluid system25 Aug 2026US 12,716,509 B2Vitesco Technologies GmbH
- Multi-function valve assemblies19 Aug 2025US 12,392,417 B2Ford Global Technologies, LLC
- Emergency degassing valve apparatus5 Aug 2025US 12,379,039 B2Illinois Tool Works Inc.
- Vent valve for an inner floating roof28 Mar 2023US 11,614,755 B2Jing Kai Industrial Co., Ltd.
- Valve system for inflatable devices13 Dec 2022US 11,524,147 B2Convatec Technologies Inc.
- Multi-function valve assemblies6 Nov 2025US 2025/0341260 A1Ford Global Technologies, LLC
- Check valve and use thereof in a fluid system3 Oct 2024US 2024/0328524 A1Vitesco Technologies GmbH
- Multi-function valve assemblies19 Sep 2024US 2024/0309958 A1Ford Global Technologies, LLC
- Emergency degassing valve apparatus12 Oct 2023US 2023/0323973 A1Illinois Tool Works Inc.
- Two-way pressure relief valve for blood reservoir9 Dec 2021US 2021/0381612 A1Terumo Cardiovascular Systems Corporation
Most cited
By later US patents
- Gas delivery connection assembly363US 6,491,034 B1ResMed Limited · 2002
- Artificial lower gastrointestinal valve282US 4,846,836 A1989
- Two-way outdwelling slit valving of medical liquid flow through a cannula and methods201US 5,169,393 A1992
- Bi-directional pressure relief valve182US 4,434,810 AVernay Laboratories, Inc. · 1984
- Two-way outdwelling slit valving of medical liquid flow through a cannula and methods168US 5,205,834 A1993