Y10T 137/7869
Biased open
Y10T137/7869 (Biased open) appears on 545 US grants and 197 published applications in this corpus.
Search patents in Y10T- Granted patents
- 545
- Published applications
- 197
- Assignees
- 314
- Inventors
- 824
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 21 | 0 |
| 1978 | 23 | 0 |
| 1979 | 6 | 0 |
| 1980 | 13 | 0 |
| 1981 | 17 | 0 |
| 1982 | 12 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 12 | 0 |
| 1987 | 18 | 0 |
| 1988 | 11 | 0 |
| 1989 | 16 | 0 |
| 1990 | 14 | 0 |
| 1991 | 6 | 0 |
| 1992 | 13 | 0 |
| 1993 | 12 | 0 |
| 1994 | 14 | 0 |
| 1995 | 13 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 16 | 0 |
| 1999 | 23 | 0 |
| 2000 | 13 | 0 |
| 2001 | 13 | 2 |
| 2002 | 14 | 17 |
| 2003 | 15 | 8 |
| 2004 | 7 | 12 |
| 2005 | 12 | 18 |
| 2006 | 11 | 13 |
| 2007 | 13 | 11 |
| 2008 | 10 | 16 |
| 2009 | 6 | 14 |
| 2010 | 11 | 16 |
| 2011 | 5 | 9 |
| 2012 | 16 | 12 |
| 2013 | 12 | 6 |
| 2014 | 17 | 4 |
| 2015 | 10 | 9 |
| 2016 | 4 | 2 |
| 2017 | 4 | 4 |
| 2018 | 3 | 4 |
| 2019 | 4 | 2 |
| 2020 | 3 | 3 |
| 2021 | 4 | 4 |
| 2022 | 3 | 3 |
| 2023 | 6 | 5 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Relief valve assembly14 Apr 2026US 12,601,418 B2Zurn Water, LLC
- System for maintaining integrity of a dry pipe system with heated cabinet and flow restrictor valve1 Jul 2025US 12,343,578 B2AGF Manufacturing, Inc.
- Valve assembly with adjustable spacer and noise reduction27 May 2025US 12,313,188 B2Tyco Fire & Security GmbH
- Passive backflow prevention apparatus and associated toilet system and method31 Dec 2024US 12,181,056 B2
- Pressure valve for a liquid13 Feb 2024US 11,898,648 B2Cenergist Limited
- Valve assembly with adjustable spacer and noise reduction11 Jul 2024US 2024/0229939 A1Tyco Fire & Security GmbH
- Pressure Valve for a Liquid9 May 2024US 2024/0151315 A1Cenergist Limited
- Relief valve assembly4 Jan 2024US 2024/0003456 A1Zurn Water, LLC
- Passive backflow prevention apparatus and associated toilet system and method19 Oct 2023US 2023/0332701 A1
- Watertight check valve1 Jun 2023US 2023/0167913 A1Mueller International, LLC
Most cited
By later US patents
- Artificial heart valve for implantation in a blood vessel1,767US 4,994,077 A1991
- Reed valve for refrigeration compressor164US 4,642,037 AWhite Consolidated Industries, Inc. · 1987
- Artificial venous valve144US 5,358,518 A1994
- Flow controlled shower head122US 4,244,526 A1981
- Check valve104US 4,141,379 ACutter Laboratories, Inc. · 1979