F16K 31/0679
With more than one energising coil
Official title: {with more than one energising coil}
F16K31/0679 (With more than one energising coil) appears on 225 US grants and 226 published applications in this corpus.
Search patents in F16K- Granted patents
- 225
- Published applications
- 226
- Assignees
- 187
- Inventors
- 594
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 2 |
| 2002 | 9 | 6 |
| 2003 | 4 | 3 |
| 2004 | 5 | 9 |
| 2005 | 1 | 7 |
| 2006 | 5 | 6 |
| 2007 | 7 | 8 |
| 2008 | 3 | 3 |
| 2009 | 3 | 6 |
| 2010 | 6 | 7 |
| 2011 | 1 | 1 |
| 2012 | 3 | 6 |
| 2013 | 4 | 5 |
| 2014 | 3 | 4 |
| 2015 | 2 | 9 |
| 2016 | 10 | 9 |
| 2017 | 6 | 15 |
| 2018 | 9 | 16 |
| 2019 | 10 | 12 |
| 2020 | 13 | 22 |
| 2021 | 13 | 17 |
| 2022 | 19 | 13 |
| 2023 | 14 | 14 |
| 2024 | 16 | 14 |
| 2025 | 7 | 8 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Tandem gas valve30 Apr 2026US 2026/0117886 A1
- Solenoid valve with improved opening and closing speed, fluid control system and fluid control method using the same1 Jan 2026US 2026/0002605 A1UIF (University Industry Foundation), Yonsei University
- Magnetic failsafe valve for cryogen flow control30 Oct 2025US 2025/0334300 A1The Boeing Company
Most cited
By later US patents
- Solenoid valve with permanent magnet91US 6,199,587 B12001
- Servo positioning system90US 5,787,915 AJ. Otto Byers & Associates · 1998
- Digital two, three, and four way solenoid control valves68US 5,640,987 A1997
- Solenoid-actuated valve60US 4,065,096 AGraham-White Manufacturing Company · 1977
- Method for controlling an electromagnetic actuator operating an engine valve46US 5,868,108 AFEV Motorentechnik GmbH · 1999