F02M 51/0632
Having a spherically or partly spherically shaped armature
Official title: {having a spherically or partly spherically shaped armature, e.g. acting as valve body}
F02M51/0632 (Having a spherically or partly spherically shaped armature) appears on 55 US grants and 15 published applications in this corpus.
Search patents in F02M- Granted patents
- 55
- Published applications
- 15
- Assignees
- 22
- Inventors
- 79
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve assembly for a fuel pump5 May 2026US 12,618,387 B2Phinia Delphi Luxembourg Sarl
- Fuel injector14 May 2024US 11,982,253 B2Phinia Delphi Luxembourg Sarl
- Fuel injector including valve seat plate having stress-limiting groove4 Jul 2023US 11,692,520 B2Caterpillar Inc.
- Electromagnetic solenoid and fuel injection valve5 Jan 2021US 10,883,461 B2Hitachi Automotive Systems, Ltd.
- Fuel injector including valve seat plate having stress-limiting groove22 Sep 2020US 10,781,777 B2Caterpillar Inc.
- Gas fuel injector22 Jan 2026US 2026/0022683 A1Nikki Co., Ltd.
- Valve assembly for a fuel pump27 Jun 2024US 2024/0209822 A1Delphi Technologies IP Limited
- Fuel injector7 Oct 2021US 2021/0310455 A1Phinia Delphi Luxembourg Sarl
- Fuel injector including valve seat plate having stress-limiting groove26 Nov 2020US 2020/0370522 A1Caterpillar Inc.
- Electromagnetic Solenoid and Fuel Injection Valve14 Mar 2019US 2019/0078543 A1Hitachi Automotive Systems, Ltd.
Most cited
By later US patents
- Electromagnetic injection valve53US 4,984,549 AColtec Industries Inc. · 1991
- Magnet system for a valve36US 5,188,336 ARobert Bosch GmbH · 1993
- Combined fuel injector and pressure regulator assembly30US 4,798,329 AColt Industries Inc. · 1989
- Electromagnetically-operable fluid injection28US 4,531,679 ASolex (U.K.) Limited · 1985
- Electromagnetic fuel injector28US 5,033,716 ASiemens Automotive Corporation · 1991