F16K 31/003
Operated without a stable intermediate position
Official title: {operated without a stable intermediate position, e.g. with snap action (F16K31/56 takes precedence)}
F16K31/003 (Operated without a stable intermediate position) appears on 151 US grants and 157 published applications in this corpus.
Search patents in F16K- Granted patents
- 151
- Published applications
- 157
- Assignees
- 134
- Inventors
- 333
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 4 | 4 |
| 2004 | 3 | 6 |
| 2005 | 4 | 3 |
| 2006 | 2 | 4 |
| 2007 | 1 | 2 |
| 2008 | 3 | 3 |
| 2009 | 1 | 4 |
| 2010 | 4 | 7 |
| 2011 | 3 | 6 |
| 2012 | 5 | 10 |
| 2013 | 1 | 6 |
| 2014 | 18 | 8 |
| 2015 | 7 | 10 |
| 2016 | 5 | 8 |
| 2017 | 8 | 9 |
| 2018 | 6 | 5 |
| 2019 | 7 | 7 |
| 2020 | 5 | 7 |
| 2021 | 9 | 6 |
| 2022 | 3 | 7 |
| 2023 | 10 | 15 |
| 2024 | 11 | 7 |
| 2025 | 5 | 4 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Safety device for a linearly actuated process valve26 May 2026US 12,638,097 B2Robert Bosch GmbH
- Valve core12 May 2026US 12,624,765 B2Clement Inc.
- Mode selection valve for RAT re-stow pump14 Apr 2026US 12,601,345 B2Hamilton Sundstrand Corporation
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- Timing regulator for outdoor gas apparatus30 Jul 2026US 2026/0218805 A1
- Shut-off device with variable stop23 Jul 2026US 2026/0210443 A1Neoperl GmbH
- Switching device with push button and water outlet device16 Apr 2026US 2026/0104102 A1Xiamen Miqi Technology Co., Ltd
- Valve With Valve Unit and Pushbutton Housing With Actuating Button5 Feb 2026US 2026/0036218 A1Grohe AG
- Valve core29 Jan 2026US 2026/0029056 A1Clement Inc.
Most cited
By later US patents
- Bistable spring construction for a stent and other medical apparatus503US 6,488,702 B1Jomed GmbH · 2002
- Miniature latching valve65US 6,742,761 B2TiNi Alloy Company · 2004
- Magnetic quick action valve63US 4,750,705 AMAN Technologie GmbH · 1988
- Valve assembly and acuator operative for automatically shutting off water and gas supplies to a hot water heater upon detection of a water leak48US 6,024,116 AAquagard, LLC · 2000
- Zinc-air battery control valve43US 6,955,187 B1TiNi Alloy Company · 2005