F02M 41/1422
Injection being effected by means of a free-piston displaced by the pressure
Official title: {Injection being effected by means of a free-piston displaced by the pressure of fuel}
F02M41/1422 (Injection being effected by means of a free-piston displaced by the pressure) appears on 17 US grants and 1 published applications in this corpus.
Search patents in F02M- Granted patents
- 17
- Published applications
- 1
- Assignees
- 5
- Inventors
- 27
- Latest grant
- 12 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Distribution device for distributing fluid flows and method for operating a motor vehicle having an internal combustion engine12 Jul 2022US 11,384,720 B2Volkswagen Aktiengesellschaft
- Distributor type fuel injection pump16 Feb 1988US 4,725,209 ANippondenso Co., Ltd.
- Fuel injection pump9 Jun 1987US 4,671,239 ANippondenso Co., Ltd.
- Fuel injection pump of the distribution type8 Jul 1986US 4,598,683 ANippondenso Co., Ltd.
- Fuel injection pump7 Jan 1986US 4,562,815 AHitachi, Ltd.
Most cited
By later US patents
- Dual pressure metering for distributor pumps28US 4,449,507 AThe Bendix Corporation · 1984
- Dual solenoid distributor pump system12US 4,426,977 AThe Bendix Corporation · 1984
- Injection pump10US 4,445,822 AHitachi, Ltd. · 1984
- Distributor pump with floating piston single control valve10US 4,453,896 AThe Bendix Corporation · 1984
- Distribution type fuel injection pump9US 4,450,813 AHitachi, Ltd. · 1984