Y10T 137/7841
One valve carries head and seat for second valve
Y10T137/7841 (One valve carries head and seat for second valve) appears on 108 US grants and 43 published applications in this corpus.
Search patents in Y10T- Granted patents
- 108
- Published applications
- 43
- Assignees
- 82
- Inventors
- 171
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 4 |
| 2003 | 3 | 0 |
| 2004 | 4 | 6 |
| 2005 | 2 | 3 |
| 2006 | 4 | 1 |
| 2007 | 4 | 3 |
| 2008 | 1 | 0 |
| 2009 | 2 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 3 |
| 2012 | 3 | 4 |
| 2013 | 6 | 2 |
| 2014 | 2 | 2 |
| 2015 | 0 | 3 |
| 2016 | 4 | 2 |
| 2017 | 2 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 5 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ball for a valve assembly8 Sep 2026US 12,729,769 B2Caterpillar Inc.
- Hydraulic fluid release valve assemblies21 Apr 2026US 12,607,271 B2Roadtek Enterprises Inc.
- Pressure relief valve for inflatable structures and boats9 Aug 2022US 11,408,525 B2
- Backflow preventer and system separator especially for fire-fighting applications2 Aug 2022US 11,401,702 B2AWG Fittings GmbH
- Fluid control valve19 Apr 2022US 11,306,686 B2Aisan Kogyo Kabushiki Kaisha
- Hydraulic fluid release valve assemblies25 Sep 2025US 2025/0297688 A1Rubicon Inc.
- Ball for a Valve Assembly23 Feb 2023US 2023/0057318 A1Caterpillar lnc.
- Pressure relief valve for inflatable structures and boats14 Oct 2021US 2021/0317923 A1
- Backflow Preventer and System Separator Especially for Fire-Fighting Applications5 Aug 2021US 2021/0238830 A1AWG Fittings GmbH
- Dual disc non-slam nozzle check valve12 Nov 2020US 2020/0355283 A1Oceaneering International, Inc.
Most cited
By later US patents
- Intensifier pump with integrated check valve70US 4,412,792 AThe Oilgear Company · 1983
- Resuscitation and inhalation device62US 5,632,298 A1997
- Low pressure check valve for artificial respiration devices48US 5,103,854 AVernay Laboratories, Inc. · 1992
- Piston pressure-type vacuum breaker43US 5,125,429 AWatts Regulator Co. · 1992
- Resuscitator41US 4,501,271 A1985