F16K 31/06
Using a magnet
Official title: using a magnet {, e.g. diaphragm valves, cutting off by means of a liquid}
F16K31/06 (Using a magnet) appears on 5,073 US grants and 4,915 published applications in this corpus.
Search patents in F16K- Granted patents
- 5,073
- Published applications
- 4,915
- Assignees
- 1,844
- Inventors
- 8,890
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 23 | 0 |
| 1978 | 19 | 0 |
| 1979 | 11 | 0 |
| 1980 | 16 | 0 |
| 1981 | 43 | 0 |
| 1982 | 36 | 0 |
| 1983 | 24 | 0 |
| 1984 | 28 | 0 |
| 1985 | 69 | 0 |
| 1986 | 56 | 0 |
| 1987 | 45 | 0 |
| 1988 | 46 | 0 |
| 1989 | 42 | 0 |
| 1990 | 47 | 0 |
| 1991 | 46 | 0 |
| 1992 | 52 | 0 |
| 1993 | 42 | 0 |
| 1994 | 47 | 0 |
| 1995 | 46 | 0 |
| 1996 | 51 | 0 |
| 1997 | 54 | 0 |
| 1998 | 66 | 0 |
| 1999 | 80 | 0 |
| 2000 | 99 | 0 |
| 2001 | 95 | 29 |
| 2002 | 90 | 100 |
| 2003 | 89 | 110 |
| 2004 | 125 | 134 |
| 2005 | 98 | 151 |
| 2006 | 102 | 148 |
| 2007 | 73 | 138 |
| 2008 | 78 | 137 |
| 2009 | 66 | 143 |
| 2010 | 72 | 160 |
| 2011 | 75 | 135 |
| 2012 | 111 | 176 |
| 2013 | 126 | 182 |
| 2014 | 136 | 193 |
| 2015 | 196 | 260 |
| 2016 | 196 | 246 |
| 2017 | 226 | 324 |
| 2018 | 247 | 288 |
| 2019 | 268 | 296 |
| 2020 | 275 | 335 |
| 2021 | 261 | 269 |
| 2022 | 247 | 230 |
| 2023 | 209 | 215 |
| 2024 | 199 | 209 |
| 2025 | 177 | 181 |
| 2026 | 113 | 126 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16K 31/0644One-way valve2,006
- F16K 31/0603Multiple-way valves1,367
- F16K 31/0675Electromagnet aspects1,026
- F16K 31/08Using a permanent magnet884
- F16K 31/0686Braking, pressure equilibration, shock absorbing581
- F16K 31/10With additional mechanism between armature and closure member203
- F16K 31/0682With an articulated or pivot armature187
Recent patents
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- Lube control flow valves for vehicle rear cases and differentials6 Oct 2026US 12,753,832 B2Sonnax Transmission Company
- Actuated elastic valves6 Oct 2026US 12,753,854 B2Sartorius Stedim Fmt SAS
- Electric bleed off valve assembly8 Oct 2026US 2026/0309251 A1FMC Technologies, Inc.
- Solenoid pilot valves for cryogenic fluid8 Oct 2026US 2026/0309252 A1Engineered Controls International, LLC
- Device for metering a cryogenic medium1 Oct 2026US 2026/0298348 A1Messer France S.A.S.
- Magnetic inflation device and inflating and deflating method thereof1 Oct 2026US 2026/0298360 A1
- Interactive Beverage Dispensing System and Method1 Oct 2026US 2026/0298366 A1
Most cited
By later US patents
- Diaphragm valve with reliability enhancements for atomic layer deposition386US 7,021,330 B2Planar Systems, Inc. · 2006
- Mobile distribution station with guided wave radar fuel level sensors171US 10,303,190 B2Fuel Automation Station, LLC · 2019
- Magnetically actuated fluid handling devices for microfluidic applications164US 6,415,821 B2University of Washington · 2002
- Sealed motor driven valve164US 6,460,567 B1Hansen Technologies Corporation · 2002
- Fully-electrically driven downhole safety valve149US 10,989,019 B2China University of Petroleum (East China) · 2021