F02M 49/02
Fuel-injection apparatus in which injection pumps are driven or injectors are actuated
Official title: using the cylinder pressure, e.g. compression end pressure
F02M49/02 (Fuel-injection apparatus in which injection pumps are driven or injectors are actuated) appears on 52 US grants and 19 published applications in this corpus.
Search patents in F02M- Granted patents
- 52
- Published applications
- 19
- Assignees
- 19
- Inventors
- 62
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 3 | 5 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Injector apparatus28 Nov 2023US 11,828,256 B2Rklab AG
- Injector apparatus28 Nov 2023US 11,828,257 B2Rklab AG
- Injector apparatus28 Nov 2023US 11,828,258 B2Rklab AG
- Injector apparatus4 Oct 2022US 11,459,990 B2Rklab AG
- Air-assisted fuel injection system for ignition quality determination9 Jun 2020US 10,677,210 B2Cfr Engines Canada Ulc
Most cited
By later US patents
- Intensifier-injector for gaseous fuel for positive displacement engines67US 5,315,973 AThe University of British Columbia · 1994
- Method and system for monitoring a controller and displaying data from the controller in a format provided by the controller61US 7,146,408 B1Schneider Automation Inc. · 2006
- Intensifier-injector for gaseous fuel for positive displacement engines39US 5,067,467 AThe University of British Columbia · 1991
- Fuel injector having differential piston for pressurizing fuel34US 6,000,628 ASiemens Automotive Corporation · 1999
- Apparatus for feeding high-pressure fuel into engine cylinder for injection control30US 4,735,185 ANippondenso Co., Ltd. · 1988