F02M 51/0621
Acting on one mobile armature
Official title: {acting on one mobile armature (F02M51/0628 takes precedence)}
F02M51/0621 (Acting on one mobile armature) appears on 58 US grants and 36 published applications in this corpus.
Search patents in F02M- Granted patents
- 58
- Published applications
- 36
- Assignees
- 32
- Inventors
- 119
- Latest grant
- 21 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 3 |
| 2003 | 4 | 0 |
| 2004 | 3 | 4 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 4 |
| 2016 | 2 | 0 |
| 2017 | 4 | 2 |
| 2018 | 1 | 3 |
| 2019 | 1 | 0 |
| 2020 | 2 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- Systems and methods for fuel injector control9 Jan 2024US 11,867,142 B2Transportation IP Holdings, LLC
- Fuel injection device18 Jul 2023US 11,703,021 B2Hitachi Astemo, Ltd.
- Fuel injection device20 Jul 2021US 11,067,045 B2Hitachi Automotive Systems, Ltd.
- Electromagnetic valve23 Jun 2020US 10,690,097 B2Hitachi Automotive Systems, Ltd.
- Electromagnetic Fuel Injector With Two Independent Coils and Related Control Method16 Jan 2025US 2025/0020096 A1Marelli Europe S.P.A.
- Permanent magnet-electromagnet synergistic coupling-based high-speed solenoid valve with high dynamic response and low rebound14 Sep 2023US 2023/0287851 A1Harbin Engineering University
- Systems and methods for fuel injector control25 Nov 2021US 2021/0363952 A1Transportation IP Holdings, LLC
- Fuel Injection Device7 Oct 2021US 2021/0310452 A1Hitachi Automotive Systems, Ltd.
- Electromagnetic valve6 Sep 2018US 2018/0252192 A1Hitachi Automotive Systems, Ltd.
Most cited
By later US patents
- Electromaagnetic high-pressure injection valve75US 5,127,585 ASiemens Aktiengesellschaft · 1992
- Force balanced electronically controlled fuel injector44US 5,419,492 ACummins Engine Company, Inc. · 1995
- Electromagnetic fuel injector and control method thereof39US 5,992,391 AHitachi Car Engineering Co., Ltd. · 1999
- Fuel injection apparatus33US 3,942,485 AHitachi, Ltd. · 1976
- Combined fuel injection-spark ignition apparatus32US 4,777,925 A1988