F16K 1/385
Contacting in the closed position, over a substantial axial length, a seat
Official title: {contacting in the closed position, over a substantial axial length, a seat surface having the same inclination}
F16K1/385 (Contacting in the closed position, over a substantial axial length, a seat) appears on 157 US grants and 177 published applications in this corpus.
Search patents in F16K- Granted patents
- 157
- Published applications
- 177
- Assignees
- 146
- Inventors
- 351
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 7 |
| 2005 | 2 | 2 |
| 2006 | 5 | 9 |
| 2007 | 2 | 1 |
| 2008 | 3 | 2 |
| 2009 | 0 | 1 |
| 2010 | 3 | 4 |
| 2011 | 1 | 5 |
| 2012 | 3 | 3 |
| 2013 | 3 | 5 |
| 2014 | 4 | 7 |
| 2015 | 2 | 7 |
| 2016 | 8 | 13 |
| 2017 | 6 | 9 |
| 2018 | 4 | 10 |
| 2019 | 10 | 17 |
| 2020 | 13 | 11 |
| 2021 | 8 | 11 |
| 2022 | 14 | 13 |
| 2023 | 12 | 12 |
| 2024 | 9 | 16 |
| 2025 | 15 | 6 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve4 Aug 2026US 12,698,834 B2Weir Minerals Netherlands B.V.
- Valve21 Jul 2026US 12,687,231 B2Weir Minerals Netherlands B.V.
- Poppet valve24 Feb 2026US 12,560,110 B2Eaton Intelligent Power Limited
- Valve24 Feb 2026US 12,560,257 B2Weir Minerals Netherlands B.V.
- Variable control orifice valve10 Feb 2026US 12,546,396 B2Compart Systems Pte. Ltd.
- Variable control orifice valve24 Sep 2026US 2026/0287065 A1Compart Systems Pte. Ltd.
- Valve body30 Apr 2026US 2026/0117874 A1Kerr Machine Co.
- Valve apparatus2 Apr 2026US 2026/0092649 A1Ckd Corporation
- Valve29 Jan 2026US 2026/0029054 A1Weir Minerals Netherlands B.V.
- Choke system with capacity for passage of large debris9 Oct 2025US 2025/0314148 A1SRI Energy, Inc.
Most cited
By later US patents
- Metering valve516US 4,164,959 AThe Salk Institute for Biological Studies · 1979
- Variable conductance gas distribution apparatus and method473US 9,657,845 B2ASM IP Holding B. V. · 2017
- Valve body with integral seal retention groove67US 7,222,837 B12007
- Valve apparatus42US 7,000,632 B2Schlumberger Technology Corporation · 2006
- Adjustable choke39US 4,047,695 AChappell Industries, Inc. · 1977