F02M 47/04
Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure: using
Official title: using fluid, other than fuel, for injection-valve actuation
F02M47/04 (Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure: using) appears on 104 US grants and 43 published applications in this corpus.
Search patents in F02M- Granted patents
- 104
- Published applications
- 43
- Assignees
- 46
- Inventors
- 184
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 5 |
| 2002 | 12 | 6 |
| 2003 | 2 | 5 |
| 2004 | 3 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 1 |
| 2007 | 3 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 0 | 3 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 3 | 1 |
| 2018 | 3 | 0 |
| 2019 | 1 | 0 |
| 2020 | 3 | 4 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Direct in cylinder injector for gaseous fuel8 Apr 2025US 12,270,364 B1
- Direct in cylinder injector for gaseous fuel1 Oct 2024US 12,104,560 B1
- Multi-fuel injector and method14 Nov 2023US 11,815,055 B1Caterpillar Inc.
- Activation of multiple gas needles using a 3/2 pilot valve26 Sep 2023US 11,767,815 B2Woodward L'Orange GmbH
- Fuel injection system for aircraft engine7 Sep 2021US 11,111,848 B1Pratt & Whitney Canada Corp.
- Activation of multiple gas needles using a 3/2 pilot valve30 Jun 2022US 2022/0205418 A1Woodward L'Orange GmbH
- Fuel system having fixed geometry flow regulating valve for limiting injector cross talk19 Nov 2020US 2020/0362805 A1Caterpillar Inc.
- Filter assembly for fuel injectors30 Apr 2020US 2020/0132030 A1Caterpillar Inc.
- Fuel injector arrangement5 Mar 2020US 2020/0072136 A1L'Orange GmbH
- Combustion-powered flow control actuator with external fuel injector5 Mar 2020US 2020/0072174 A1General Electric Company
Most cited
By later US patents
- Engine having a high pressure hydraulic system and low pressure lubricating system131US 6,067,962 ACaterpillar Inc. · 2000
- High speed fuel injector106US 5,460,329 A1995
- Fuel injector for an internal combustion engine88US 4,603,671 ANippon Soken, Inc. · 1986
- Accumulator-type fuel injection system66US 5,732,679 AIsuzu Motors Limited · 1998
- Fuel injection system for internal combustion engines61US 4,957,085 A1990