F16K 15/184
Combined check valves and actuated valves
Official title: {Combined check valves and actuated valves}
F16K15/184 (Combined check valves and actuated valves) appears on 150 US grants and 153 published applications in this corpus.
Search patents in F16K- Granted patents
- 150
- Published applications
- 153
- Assignees
- 116
- Inventors
- 278
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 0 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 2 | 4 |
| 2012 | 1 | 4 |
| 2013 | 4 | 2 |
| 2014 | 2 | 5 |
| 2015 | 6 | 16 |
| 2016 | 6 | 4 |
| 2017 | 7 | 7 |
| 2018 | 7 | 6 |
| 2019 | 6 | 6 |
| 2020 | 4 | 14 |
| 2021 | 8 | 8 |
| 2022 | 12 | 14 |
| 2023 | 8 | 19 |
| 2024 | 17 | 16 |
| 2025 | 15 | 7 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Ball valve with a retaining system16 Jul 2026US 2026/0201961 A1Castel, Inc.
- Adiabatic thermal regulator16 Jul 2026US 2026/0202103 A1Polytech Forge LLC
- Passive pressure amplification device16 Jul 2026US 2026/0202864 A1Polytech Forge LLC
- Faucet7 May 2026US 2026/0126128 A1Shanghai Aquacubic Sanitaryware Co., Ltd
- Valve assembly13 Nov 2025US 2025/0347347 A1Jtekt Corporation
Most cited
By later US patents
- Apparatus and method for manipulating and anchoring tissue822US 5,417,691 A1995
- Combined shut off and check valve210US 4,649,952 AJogler, Inc. · 1987
- Combined shut off and check valve203US 4,690,169 AJogler, Inc. · 1987
- Short-length reduced-pressure backflow preventor60US 6,546,946 B2United Dominion Industries, Inc. · 2003
- Position indicating check valve46US 6,152,173 AVal-Matic Valve & Manufacturing Corp. · 2000