F16K 17/0466
With a special seating surface
Official title: {with a special seating surface}
F16K17/0466 (With a special seating surface) appears on 106 US grants and 92 published applications in this corpus.
Search patents in F16K- Granted patents
- 106
- Published applications
- 92
- Assignees
- 90
- Inventors
- 227
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 3 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 4 |
| 2016 | 3 | 2 |
| 2017 | 3 | 4 |
| 2018 | 3 | 4 |
| 2019 | 5 | 10 |
| 2020 | 5 | 9 |
| 2021 | 9 | 5 |
| 2022 | 8 | 9 |
| 2023 | 11 | 14 |
| 2024 | 13 | 8 |
| 2025 | 6 | 6 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve seat assemblies for relief valves22 Sep 2026US 12,742,507 B2Emerson Automation Solutions Final Control US LP
- Pressure relief valves for liquid hydrogen tanks11 Aug 2026US 12,704,190 B2Engineered Controls International, LLC
- Resilient metal seal for check valve16 Jun 2026US 12,655,913 B1Technetics Group LLC
- Pressure balanced valve with integral pressure relief function16 Jun 2026US 12,655,915 B2Fox Factory, Inc.
- Integrated dot pressure protection valve7 Apr 2026US 12,595,858 B2Parker-Hannifin Corporation
- Inflatable Systems with Electro-Pneumatic Valve Modules17 Sep 2026US 2026/0276102 A1Goodrich Corporation
- Pressure relief valves for liquid hydrogen tanks11 Jun 2026US 2026/0160350 A1Engineered Controls International, LLC
- Valve seat assemblies for relief valves12 Mar 2026US 2026/0071689 A1Emerson Automation Solutions Final Control US LP
- Hydraulic pressure-relief valve with low pressure droop25 Dec 2025US 2025/0389340 A1Hamilton Sundstrand Corporation
- Spring-loaded relief valves having guided seats4 Dec 2025US 2025/0369527 A1Emerson Automation Solutions Final Control US LP
Most cited
By later US patents
- Valve seats and valve assemblies for fluid end applications47US 10,344,757 B1Kennametal Inc. · 2019
- Valve seats and valve assemblies for fluid end applications35US 10,851,775 B2Kennametal Inc. · 2020
- Hydraulic pressure relief valve and fluid isolator35US 4,237,935 AEaton Corporation · 1980
- Valve seat with a hardened sleeve interior and a metal exterior34US 10,718,441 B2S,P.M. Flow Control, Inc. · 2020
- Valve seats and valve assemblies for fluid end applications34US 10,954,938 B2Kennametal Inc. · 2021