F02M 51/0635
Having a plate-shaped or undulated armature not entering the winding
Official title: {having a plate-shaped or undulated armature not entering the winding (if entering the winding F02M51/0664)}
F02M51/0635 (Having a plate-shaped or undulated armature not entering the winding) appears on 358 US grants and 207 published applications in this corpus.
Search patents in F02M- Granted patents
- 358
- Published applications
- 207
- Assignees
- 118
- Inventors
- 601
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 14 | 0 |
| 1990 | 11 | 0 |
| 1991 | 14 | 0 |
| 1992 | 11 | 0 |
| 1993 | 17 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 3 |
| 2003 | 3 | 5 |
| 2004 | 2 | 9 |
| 2005 | 7 | 7 |
| 2006 | 2 | 7 |
| 2007 | 6 | 14 |
| 2008 | 6 | 4 |
| 2009 | 5 | 10 |
| 2010 | 6 | 7 |
| 2011 | 7 | 7 |
| 2012 | 4 | 12 |
| 2013 | 8 | 3 |
| 2014 | 7 | 6 |
| 2015 | 4 | 14 |
| 2016 | 14 | 15 |
| 2017 | 10 | 15 |
| 2018 | 7 | 14 |
| 2019 | 23 | 26 |
| 2020 | 14 | 7 |
| 2021 | 16 | 8 |
| 2022 | 8 | 4 |
| 2023 | 4 | 5 |
| 2024 | 4 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method of hydrogen fuel injection14 Jan 2025US 12,196,162 B1Astron Aerospace LLC
- Solenoid valve14 Jan 2025US 12,196,166 B2Hoerbiger Wien GmbH
- Rotary engine, parts thereof, and methods10 Dec 2024US 12,163,461 B2Astron Aerospace LLC
- Liquid ammonia phase-change cooling type hybrid power thermal management system5 Nov 2024US 12,134,980 B2Harbin Engineering University
- Permanent magnet-electromagnet synergistic coupling-based high-speed solenoid valve with high dynamic response and low rebound21 May 2024US 11,988,180 B2Harbin Engineering University
- Electromagnetic fuel injection valve30 Apr 2026US 2026/0117732 A1Hitachi Astemo, Ltd.
- Method for determining a flow rate of fluid in a vehicle engine system12 Feb 2026US 2026/0043369 A1Vitesco Technologies GmbH
- Rotary engine, parts thereof, and methods5 Jun 2025US 2025/0179956 A1Astron Aerospace LLC
- Solenoid device and solenoid valve of fuel injection device1 Aug 2024US 2024/0254954 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Permanent magnet-electromagnet synergistic coupling-based high-speed solenoid valve with high dynamic response and low rebound14 Sep 2023US 2023/0287851 A1Harbin Engineering University
Most cited
By later US patents
- Electromagnetically actuated disc-type valve78US 5,979,866 ASagem SA · 1999
- Fuel oil injector with a floating ball as its valve unit75US 5,054,691 AIndustrial Technology Research Institute · 1991
- Electromagnetic fuel injector74US 4,483,485 AAisan Kogyo kabuskiki Kaisha · 1984
- Electromagnetically actuated disc-type valve71US 5,692,723 ASagem-Lucas, Inc. · 1997
- Electromagnetically actuatable valve68US 4,597,558 ARobert Bosch GmbH · 1986