F16K 17/06
With special arrangements for adjusting the opening pressure
Official title: with special arrangements for adjusting the opening pressure
F16K17/06 (With special arrangements for adjusting the opening pressure) appears on 349 US grants and 333 published applications in this corpus.
Search patents in F16K- Granted patents
- 349
- Published applications
- 333
- Assignees
- 279
- Inventors
- 743
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 5 |
| 2003 | 2 | 6 |
| 2004 | 1 | 4 |
| 2005 | 4 | 6 |
| 2006 | 3 | 5 |
| 2007 | 5 | 6 |
| 2008 | 5 | 5 |
| 2009 | 2 | 2 |
| 2010 | 0 | 8 |
| 2011 | 2 | 10 |
| 2012 | 4 | 9 |
| 2013 | 7 | 13 |
| 2014 | 9 | 12 |
| 2015 | 13 | 12 |
| 2016 | 17 | 13 |
| 2017 | 12 | 17 |
| 2018 | 14 | 24 |
| 2019 | 28 | 32 |
| 2020 | 20 | 23 |
| 2021 | 24 | 20 |
| 2022 | 19 | 23 |
| 2023 | 24 | 25 |
| 2024 | 20 | 19 |
| 2025 | 18 | 18 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve seat assemblies for relief valves22 Sep 2026US 12,742,507 B2Emerson Automation Solutions Final Control US LP
- Water flow regulation15 Sep 2026US 12,736,147 B2Active Energy Inc.
- Pressure relief valves for liquid hydrogen tanks11 Aug 2026US 12,704,190 B2Engineered Controls International, LLC
- Relief valve4 Aug 2026US 12,698,841 B2Kawasaki Jukogyo Kabushiki Kaisha
- Relief valves for high temperature fluid7 Jul 2026US 12,674,519 B2Emerson Automation Solutions Final Control (Shanghai) Co., Ltd.
- Valve set for safety of nuclear power plant, pressure relief valve set, discharge valve set, and isolation valve27 Aug 2026US 2026/0253755 A1China Nuclear Power Engineering Co., Ltd.
- Flow-adjusting valve spool with button20 Aug 2026US 2026/0243362 A1Kaiping Yizhan Valve Core Co., Ltd.
- Pressure-relieving valve16 Jul 2026US 2026/0201970 A1
- Pressure relief valves for liquid hydrogen tanks11 Jun 2026US 2026/0160350 A1Engineered Controls International, LLC
- Pressure regulating valve28 May 2026US 2026/0147363 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Over pressure relief system for fluid ends217US 10,082,137 B2Caterpillar Inc. · 2018
- Flow control valve103US 4,022,113 A1977
- Vacuum relief safety valve for a swimming pool filter pump system103US 5,682,624 A1997
- Electrically controlled pressure relief valve including a hydraulic bias101US 4,548,233 AMannesmann Rexroth GmbH · 1985
- Pressure relief valve99US 5,230,364 ATokimec Inc. · 1993