F16K 3/12
With wedge-shaped arrangements of sealing faces
Official title: with wedge-shaped arrangements of sealing faces
F16K3/12 (With wedge-shaped arrangements of sealing faces) appears on 131 US grants and 111 published applications in this corpus.
Search patents in F16K- Granted patents
- 131
- Published applications
- 111
- Assignees
- 85
- Inventors
- 237
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 4 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 7 |
| 2014 | 5 | 7 |
| 2015 | 7 | 7 |
| 2016 | 6 | 2 |
| 2017 | 7 | 8 |
| 2018 | 5 | 8 |
| 2019 | 5 | 3 |
| 2020 | 3 | 6 |
| 2021 | 5 | 6 |
| 2022 | 10 | 14 |
| 2023 | 5 | 6 |
| 2024 | 5 | 5 |
| 2025 | 3 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gate valve with positive gate stop10 Mar 2026US 12,571,475 B2
- Flow control valve27 Jan 2026US 12,535,142 B2
- Corrosion and wear resistant overlay, method for forming corrosion and wear resistant overlay, and corrosion and wear resistant valve23 Dec 2025US 12,502,727 B2Hitachi-GE Nuclear Energy, Ltd.
- Gate valve24 Jun 2025US 12,338,908 B2Kennedy Valve Company
- Electromagnetically activated rising stem valve14 Jan 2025US 12,196,336 B2MagDrive Technologies, Inc.
- Gate valve with positive gate stop18 Jun 2026US 2026/0168580 A1FMC Technologies, Inc.
- Valve12 Feb 2026US 2026/0043493 A1VAT Holding AG
- Gate valve with positive gate stop14 Aug 2025US 2025/0257808 A1FMC Technologies, Inc.
- Electromagnetically activated rising stem valve8 May 2025US 2025/0146593 A1MagDrive Technologies, Inc.
- Flow control valve16 Jan 2025US 2025/0020220 A1
Most cited
By later US patents
- Valve47US 4,754,950 AKabushiki Kaisha Toshiba · 1988
- Magnetically actuated valve45US 4,452,423 AMartin Marietta Corporation · 1984
- Valve and method for repairing a valve under pressure39US 6,983,759 B2Occlude · 2006
- Valve and manufacturing method thereof36US 6,959,916 B2Hitachi, Ltd. · 2005
- High temperature, high pressure valve28US 4,383,546 AEcolaire Incorporated · 1983