F16K 31/084
The magnet being used only as a holding element to maintain the
Official title: {the magnet being used only as a holding element to maintain the valve in a specific position, e.g. check valves (F16K31/082, F16K31/086 take precedence)}
F16K31/084 (The magnet being used only as a holding element to maintain the) appears on 183 US grants and 237 published applications in this corpus.
Search patents in F16K- Granted patents
- 183
- Published applications
- 237
- Assignees
- 177
- Inventors
- 495
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 2 |
| 2003 | 3 | 4 |
| 2004 | 2 | 6 |
| 2005 | 4 | 3 |
| 2006 | 1 | 9 |
| 2007 | 5 | 5 |
| 2008 | 0 | 8 |
| 2009 | 6 | 3 |
| 2010 | 5 | 8 |
| 2011 | 1 | 9 |
| 2012 | 3 | 9 |
| 2013 | 3 | 7 |
| 2014 | 7 | 10 |
| 2015 | 4 | 9 |
| 2016 | 6 | 4 |
| 2017 | 9 | 12 |
| 2018 | 8 | 14 |
| 2019 | 8 | 14 |
| 2020 | 13 | 15 |
| 2021 | 15 | 16 |
| 2022 | 16 | 16 |
| 2023 | 11 | 10 |
| 2024 | 10 | 14 |
| 2025 | 16 | 19 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve with valve unit and pushbutton housing with actuating button25 Aug 2026US 12,716,513 B2Grohe AG
- Double check valve, pneumatic braking device, and vehicle26 May 2026US 12,638,090 B2ZF CV Systems Global GmbH
- Pipeline actuation system31 Mar 2026US 12,590,594 B2
- Fluid control valve and ball holder3 Feb 2026US 12,540,680 B2
- Safety valve including first, second and third connected portions13 Jan 2026US 12,523,116 B2Halliburton Energy Services.Inc.
- Inflation valve assembly27 Aug 2026US 2026/0251229 A1Purple Line Limited
- Control valve6 Aug 2026US 2026/0226997 A1Nanjing Hanshu Environmental Protection Equipment Co., Ltd.
- Liquid level valve16 Jul 2026US 2026/0201974 A1Nanjing Hanshu Environmental Protection Equipment Co., Ltd.
- Normally-open solenoid valves and mass flow controllers having normally-open solenoid valves2 Jul 2026US 2026/0185630 A1Illinois Tool Works Inc.
- Conduit system of a radiation source and methods thereof25 Jun 2026US 2026/0177928 A1Cymer, Inc.
Most cited
By later US patents
- Magnetically operated check valve52US 5,320,136 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1994
- Magnetic operator flow device49US 4,874,012 AMallard Products, Inc. · 1989
- Magnetic check valve49US 7,506,663 B2Fleetguard, Inc. · 2009
- Fluid shut-off device47US 4,349,042 A1982
- Wireless fluid shut-off valve44US 8,567,757 B22013