F16K 39/06
Devices for relieving the pressure on the sealing faces: for taps or
Official title: for taps or cocks
F16K39/06 (Devices for relieving the pressure on the sealing faces: for taps or) appears on 43 US grants and 28 published applications in this corpus.
Search patents in F16K- Granted patents
- 43
- Published applications
- 28
- Assignees
- 37
- Inventors
- 80
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 3 |
| 2016 | 3 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 4 |
| 2021 | 3 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated pressure balancing system in ball valve14 Jul 2026US 12,680,624 B2Habonim Industrial Valves & Actuators Ltd.
- Secure, easily manipulated, manually operatable pressure relief valve for use with a pressurized food dispensing system17 Mar 2026US 12,575,587 B2FBD Partnership, LP
- Plug valves for fracturing systems5 Mar 2024US 11,920,451 B1Cantex International, Inc.
- Valve apparatus7 Dec 2021US 11,193,351 B2Welleng Science and Technology Ltd.
- Control valve16 Nov 2021US 11,174,954 B2Yamada Manufacturing Co., Ltd.
- Integrated pressure balancing system in ball valve30 Apr 2026US 2026/0117890 A1Habonim Industrial Valves & Actuators Ltd.
- Valve device12 Feb 2026US 2026/0043486 A1Nok Corporation
- Valve device22 Jan 2026US 2026/0022774 A1Nok Corporation
- Valve device22 Jan 2026US 2026/0022784 A1Nok Corporation
- Ball-type flow stopper including a pressure activated cantilever feature21 Aug 2025US 2025/0264004 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Regulating Valve46US 5,529,026 AFirma Carl Freudenberg · 1996
- Valve spool with cross drill ports20US 4,658,859 ASouth Bend Lathe, Inc. · 1987
- Valve with improved combination bearing support and seal20US 5,950,664 A1999
- Ball valve17US 5,052,657 AShaw Industries Ltd. · 1991
- Ball valve15US 4,076,211 AControl Devices, Inc. · 1978