F16K 11/105
Three-way check or safety valves with two or more closure members
Official title: {Three-way check or safety valves with two or more closure members}
F16K11/105 (Three-way check or safety valves with two or more closure members) appears on 156 US grants and 172 published applications in this corpus.
Search patents in F16K- Granted patents
- 156
- Published applications
- 172
- Assignees
- 147
- Inventors
- 346
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 3 |
| 2004 | 4 | 4 |
| 2005 | 0 | 3 |
| 2006 | 3 | 6 |
| 2007 | 0 | 2 |
| 2008 | 4 | 4 |
| 2009 | 2 | 6 |
| 2010 | 5 | 7 |
| 2011 | 3 | 2 |
| 2012 | 4 | 6 |
| 2013 | 6 | 3 |
| 2014 | 2 | 1 |
| 2015 | 3 | 4 |
| 2016 | 4 | 5 |
| 2017 | 6 | 3 |
| 2018 | 3 | 14 |
| 2019 | 8 | 15 |
| 2020 | 12 | 15 |
| 2021 | 11 | 11 |
| 2022 | 15 | 13 |
| 2023 | 16 | 14 |
| 2024 | 10 | 11 |
| 2025 | 9 | 15 |
| 2026 | 10 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve assembly22 Sep 2026US 12,742,506 B2Jtekt Corporation
- Fluid end assembly18 Aug 2026US 12,710,039 B2Kerr Machine Co.
- Combination aeration, deaeration, and water outlet valve and climate chamber with such combination aeration, deaeration, and water outlet valve4 Aug 2026US 12,698,840 B2Binder GmbH
- Double check valve, pneumatic braking device, and vehicle26 May 2026US 12,638,090 B2ZF CV Systems Global GmbH
- Valves for controlling flow of pressurized fluid to a tool5 May 2026US 12,618,485 B2Enerpac Tool Group Corp.
- Pressure activated flow balancing double quad valve30 Apr 2026US 2026/0117879 A1A.O. International II, Inc.
- Fluid routing plug16 Apr 2026US 2026/0104039 A1Kerr Machine Co.
- Valve assembly27 Nov 2025US 2025/0361942 A1Jtekt Corporation
- Check valve for ram air turbine (rat) re-stow pump2 Oct 2025US 2025/0304277 A1Hamilton Sundstrand Corporation
- Fluid routing plug11 Sep 2025US 2025/0283454 A1Kerr Machine Co.
Most cited
By later US patents
- Dual chamber carbonator for dispensing drinks119US 5,139,708 AIsoworth Limited · 1992
- Fluid flow check valve49US 5,254,092 AAmerican Medical Systems, Inc. · 1993
- Adjustable dishwasher conduit valve system49US 9,241,604 B2General Electric Company · 2016
- Three-way valve48US 4,448,211 ATokyo Shibaura Denki Kabushiki Kaisha · 1984
- Valve structure33US 4,013,088 ABraukmann Armaturen AG · 1977