F16K 17/164
And remaining closed after return of the normal pressure
Official title: and remaining closed after return of the normal pressure
F16K17/164 (And remaining closed after return of the normal pressure) appears on 80 US grants and 75 published applications in this corpus.
Search patents in F16K- Granted patents
- 80
- Published applications
- 75
- Assignees
- 63
- Inventors
- 163
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 6 |
| 2015 | 3 | 6 |
| 2016 | 6 | 3 |
| 2017 | 3 | 5 |
| 2018 | 0 | 9 |
| 2019 | 9 | 7 |
| 2020 | 6 | 5 |
| 2021 | 6 | 10 |
| 2022 | 5 | 1 |
| 2023 | 6 | 5 |
| 2024 | 7 | 6 |
| 2025 | 4 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure-equalizing device and housing having same25 Aug 2026US 12,716,510 B2Carl Freudenberg KG
- Blocking valve4 Nov 2025US 12,460,740 B2
- Whole-home pressure relief system8 Jul 2025US 12,352,018 B1
- Gravity actuated flow control apparatus and method8 Jul 2025US 12,352,360 B2
- Fuel pump for a direct injection system7 Jan 2025US 12,188,440 B2Marelli Europe S.P.A.
- Pressure Relief Assembly5 Feb 2026US 2026/0036216 A1Donaldson Company, Inc.
- Pressure-equalizing device and housing having same29 Jan 2026US 2026/0029060 A1Carl Freudenberg KG
- Gravity Actuated Flow Control Apparatus and Method30 Oct 2025US 2025/0334195 A1
- Balance explosion-proof valve17 Apr 2025US 2025/0122952 A1Shenzhen Everwin Precision Technology Co., Ltd.
- Safety valves, vehicles and fueling stations including the same, and related methods11 Jul 2024US 2024/0229937 A9Natural Gas Fuel Systems, LLC
Most cited
By later US patents
- Device for preventing permanent entrapment59US 6,374,854 B1Enrique Acosta · 2002
- Emergency fuel shut-off valve30US 4,969,482 AFlodyne Controls, Inc. · 1990
- Fluid pressure flare relief valve24US 5,012,834 A1991
- High presssure fluid emergency shutoff valve24US 5,067,511 A1991
- Low pressure fluid emergency shutdown valve22US 5,146,942 A1992