F02M 63/0003
Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source
Official title: {Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure (having a distributor F02M41/16; low pressure fuel injection F02M69/14)}
F02M63/0003 (Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source) appears on 321 US grants and 220 published applications in this corpus.
Search patents in F02M- Granted patents
- 321
- Published applications
- 220
- Assignees
- 118
- Inventors
- 480
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 7 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 13 | 0 |
| 1998 | 11 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 1 |
| 2002 | 21 | 50 |
| 2003 | 37 | 24 |
| 2004 | 25 | 25 |
| 2005 | 18 | 8 |
| 2006 | 11 | 13 |
| 2007 | 10 | 6 |
| 2008 | 4 | 5 |
| 2009 | 4 | 7 |
| 2010 | 3 | 8 |
| 2011 | 5 | 7 |
| 2012 | 5 | 2 |
| 2013 | 2 | 11 |
| 2014 | 3 | 5 |
| 2015 | 5 | 5 |
| 2016 | 6 | 7 |
| 2017 | 6 | 7 |
| 2018 | 5 | 9 |
| 2019 | 11 | 6 |
| 2020 | 8 | 5 |
| 2021 | 4 | 3 |
| 2022 | 6 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for at-cylinder fuel switching27 Jan 2026US 12,535,041 B2Caterpillar Inc.
- Fuel pump8 Oct 2024US 12,110,854 B2Hitachi Astemo, Ltd.
- Fuel injection system21 May 2024US 11,988,179 B2Volvo Truck Corporation
- Pole piece retention and insertion method7 Feb 2023US 11,572,858 B2Delphi Automotive Systems Luxembourg SA
- Injector apparatus4 Oct 2022US 11,459,990 B2Rklab AG
- Systems and methods for at-cylinder fuel switching5 Jun 2025US 2025/0179970 A1Caterpillar Inc.
- Injector for injecting fuel16 Jan 2025US 2025/0020091 A1Liebherr-Components Deggendorf GmbH
- Fuel pump21 Dec 2023US 2023/0407828 A1Hitachi Astemo, Ltd.
- A fuel injection system10 Nov 2022US 2022/0356859 A1Volvo Truck Corporation
- Pole piece retention and insertion method21 Apr 2022US 2022/0120248 A1Delphi Automotive Systems Luxembourg SA
Most cited
By later US patents
- Method and apparatus for operation of combustion engines205US 6,155,212 A2000
- Hydraulically-actuated electronically-controlled unit injector fuel system having variable control of actuating fluid pressure125US 5,191,867 ACaterpillar Inc. · 1993
- Method and apparatus for improved operation of internal combustion engines115US 5,343,699 A1994
- Energy conversion system106US 6,756,140 B12004
- System and methods for electronic control of an accumulator fuel system101US 5,678,521 ACummins Engine Company, Inc. · 1997