F02M 47/022
Mechanically actuated valves draining the chamber to release the closing pressure
Official title: {Mechanically actuated valves draining the chamber to release the closing pressure}
F02M47/022 (Mechanically actuated valves draining the chamber to release the closing pressure) appears on 13 US grants and 10 published applications in this corpus.
Search patents in F02M- Granted patents
- 13
- Published applications
- 10
- Assignees
- 12
- Inventors
- 25
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- High-pressure fuel injection system16 Sep 2025US 12,416,280 B2RK IP Holdings, LLC
- Fuel injector of an internal combustion engine and combustion engine2 Sep 2025US 12,404,827 B2Everllence SE
- Flow control system9 May 2023US 11,643,998 B2Volvo Truck Corporation
- Fuel injector having dry-running protection valve and fuel system using same22 Mar 2022US 11,280,306 B1Caterpillar Inc.
- Method for achieving final air gap and parallelism of a fuel injector control valve1 Jun 2021US 11,022,081 B2Delphi Technologies IP Limited
- High-pressure fuel injection system18 Dec 2025US 2025/0382935 A1
- Fuel injector of an internal combustion engine and combustion engine7 Nov 2024US 2024/0369032 A1MAN Energy Solutions SE
- High-pressure fuel injection system2 May 2024US 2024/0141856 A1RK IP Holdings, LLC
- A flow control system17 Nov 2022US 2022/0364534 A1Volvo Truck Corporation
- Fuel injection valve6 May 2021US 2021/0131392 A1Denso Corporation
Most cited
By later US patents
- Needle lift damper device of injector for fuel injection and needle lift damping method33US 6,793,161 B1Delphi Technologies, Inc. · 2004
- Common rail injector with separately controlled pilot and main injection11US 6,568,369 B1Caterpillar Inc. · 2003
- Common rail fuel injection system6US 4,068,640 AThe Bendix Corporation · 1978
- Fuel injection6US 4,425,893 AThe Garrett Corporation · 1984
- Fuel injection system with common actuation device and engine using same2US 6,408,821 B1Caterpillar Inc. · 2002