F02M 69/38
Using fuel pressure
Official title: using fuel pressure, e.g. by varying fuel pressure in the control chambers of the fuel metering device (the means varying fuel pressure in a fuel by-pass passage, the pressure acting on a throttle valve against the action of metered or throttled fuel pressure for variably throttling fuel flow to injection nozzles F02M69/26)
F02M69/38 (Using fuel pressure) appears on 54 US grants and 4 published applications in this corpus.
Search patents in F02M- Granted patents
- 54
- Published applications
- 4
- Assignees
- 19
- Inventors
- 72
- Latest grant
- 22 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fuel injector having dry-running protection valve and fuel system using same22 Mar 2022US 11,280,306 B1Caterpillar Inc.
- Decoupling element for a fuel-injection device5 May 2020US 10,641,224 B2Robert Bosch GmbH
- Exhaust treatment system having membrane module for water removal21 Aug 2018US 10,054,022 B2Tenneco Automotive Operating Company Inc.
- Fuel supply apparatus29 Oct 2013US 8,567,373 B2Toyota Jidosha Kabushiki Kaisha
- Fuel injection device24 Jan 2012US 8,100,345 B2Denso Corporation
- Decoupling element for a fuel-injection device16 Nov 2017US 2017/0328325 A1Robert Bosch GmbH
- Exhaust Treatment System Having Membrane Module For Water Removal24 Aug 2017US 2017/0241317 A1Tenneco Automotive Operating Company Inc.
- Fuel supply apparatus26 Apr 2012US 2012/0097132 A1Toyota Jidosha Kabushiki Kaisha
- Fuel Injection Device21 Feb 2008US 2008/0041977 A1Denso Corporation
Most cited
By later US patents
- Fuel circuit for an internal combustion engine18US 4,205,648 AChrysler Corporation · 1980
- Air valve for a fuel injection system15US 4,064,854 ARobert Bosch GmbH · 1977
- Fuel injection system for spark plug-ignited internal combustion engines with compression of the air-fuel mixture14US 3,974,809 ARobert Bosch GmbH · 1976
- Mechanical throttle body injection apparatus13US 4,206,735 AGeneral Motors Corporation · 1980
- Fuel injection system12US 3,983,849 ARobert Bosch GmbH · 1976