F16K 31/34
Acting on pilot valve controlling the cut-off apparatus
Official title: acting on pilot valve controlling the cut-off apparatus
F16K31/34 (Acting on pilot valve controlling the cut-off apparatus) appears on 152 US grants and 71 published applications in this corpus.
Search patents in F16K- Granted patents
- 152
- Published applications
- 71
- Assignees
- 82
- Inventors
- 211
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 1 |
| 2002 | 5 | 3 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 7 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 7 |
| 2014 | 2 | 3 |
| 2015 | 2 | 1 |
| 2016 | 6 | 1 |
| 2017 | 1 | 9 |
| 2018 | 6 | 6 |
| 2019 | 5 | 4 |
| 2020 | 3 | 2 |
| 2021 | 5 | 4 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Fully-integrated, top-fill, pressureless flow-control module couplable to a pressurized fuel line17 May 2022US 11,332,361 B2
- Fill valve actuation systems and methods1 Jan 2026US 2026/0002600 A1Fluidmaster, Inc.
- Overfill prevention valve20 Nov 2025US 2025/0354623 A1Clay and Bailey Manufacturing Company
- Electromechanical connection device and directional control valve equipped therewith26 Jun 2025US 2025/0207686 A1Festo AG & Co.
- Valve27 Feb 2025US 2025/0067357 A1
- Fluid flow control based on a liquid level in a container25 Jul 2024US 2024/0248495 A1
Most cited
By later US patents
- Float operated fill valve41US 5,255,703 A1993
- Adjustable fill valve assembly40US 5,715,859 AHunter Plumbing Products · 1998
- Tap for compressed or liquefied gases39US 5,282,496 ALuxembourg Patent Company S.A. · 1994
- Valve for a tap of a compressed or liquified gas cylinder, and tap provided with such a valve38US 5,487,404 ATorrent Trading Ltd. · 1996
- Ball cock construction for controlling the level of liquids such as water in tanks34US 4,100,928 A1978