F16K 25/00
Details relating to contact between valve members and seats
Official title: Details relating to contact between valve members and seats (movement of valve members other than for opening and closing F16K29/00)
F16K25/00 (Details relating to contact between valve members and seats) appears on 1,046 US grants and 1,112 published applications in this corpus.
Search patents in F16K- Granted patents
- 1,046
- Published applications
- 1,112
- Assignees
- 716
- Inventors
- 2,462
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 15 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 12 | 0 |
| 1988 | 12 | 0 |
| 1989 | 6 | 0 |
| 1990 | 13 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 3 | 0 |
| 1994 | 13 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 5 |
| 2002 | 17 | 15 |
| 2003 | 14 | 16 |
| 2004 | 15 | 24 |
| 2005 | 13 | 13 |
| 2006 | 11 | 21 |
| 2007 | 6 | 13 |
| 2008 | 16 | 22 |
| 2009 | 3 | 23 |
| 2010 | 6 | 23 |
| 2011 | 14 | 26 |
| 2012 | 17 | 18 |
| 2013 | 19 | 50 |
| 2014 | 31 | 59 |
| 2015 | 39 | 54 |
| 2016 | 47 | 77 |
| 2017 | 41 | 68 |
| 2018 | 49 | 62 |
| 2019 | 69 | 86 |
| 2020 | 67 | 82 |
| 2021 | 73 | 60 |
| 2022 | 54 | 60 |
| 2023 | 56 | 69 |
| 2024 | 58 | 51 |
| 2025 | 50 | 75 |
| 2026 | 43 | 40 |
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
- Valve device15 Sep 2026US 12,736,139 B2Fujikin Incorporated
- Fluid device8 Sep 2026US 12,729,770 B2Surpass Industry Co., Ltd.
- Systems and methods for a thermal management control valve with a louver plate assembly8 Sep 2026US 12,729,771 B2HUSCO Automotive Holdings LLC
- Hydrogen gas valve device and hydrogen gas valve body equipped therewith1 Sep 2026US 12,723,660 B2Kawasaki Jukogyo Kabushiki Kaisha
- Through-Hardened Valve Seat for Hydraulic Fracturing1 Oct 2026US 2026/0298349 A1Apex Industrial LLC
- High-temperature diaphragm valve1 Oct 2026US 2026/0298355 A1Kitz Sct Corporation
- Valve seat with embedded structure and related methods17 Sep 2026US 2026/0276098 A1Vulcan Industrial Holdings, LLC
- Rotary valve with seal sheet for high purity applications10 Sep 2026US 2026/0266385 A1Uop LLC
- Gate valve, gate valve seat system, and method27 Aug 2026US 2026/0251221 A1Supreme Production Services, Inc.
Most cited
By later US patents
- Valve seats for use in fracturing pumps131US 9,822,894 B2S,P.M. Flow Control, Inc. · 2017
- Fluid end with carbide valve seat and adhesive dampening interface116US 9,435,454 B22016
- Seat support and threaded seat for valve with quadruple seat110US 6,641,112 B22003
- Choke for controlling the flow of drilling mud105US 4,257,442 A1981
- Ceramic disc faucet valve90US 4,651,770 ASpeakman Company · 1987