F02D 2041/2003
Using means for creating a boost voltage, i.e. generation or use of
Official title: {using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening}
F02D2041/2003 (Using means for creating a boost voltage, i.e. generation or use of) appears on 433 US grants and 354 published applications in this corpus.
Search patents in F02D- Granted patents
- 433
- Published applications
- 354
- Assignees
- 125
- Inventors
- 692
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 15 | 0 |
| 2000 | 13 | 0 |
| 2001 | 7 | 0 |
| 2002 | 7 | 14 |
| 2003 | 13 | 8 |
| 2004 | 7 | 10 |
| 2005 | 7 | 17 |
| 2006 | 10 | 9 |
| 2007 | 8 | 10 |
| 2008 | 8 | 11 |
| 2009 | 10 | 19 |
| 2010 | 9 | 12 |
| 2011 | 14 | 12 |
| 2012 | 10 | 12 |
| 2013 | 8 | 5 |
| 2014 | 8 | 18 |
| 2015 | 10 | 13 |
| 2016 | 10 | 17 |
| 2017 | 11 | 21 |
| 2018 | 24 | 25 |
| 2019 | 23 | 25 |
| 2020 | 29 | 22 |
| 2021 | 31 | 36 |
| 2022 | 46 | 20 |
| 2023 | 13 | 3 |
| 2024 | 7 | 5 |
| 2025 | 9 | 6 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Injector valve force control11 Aug 2026US 12,704,100 B2Caterpillar Inc.
- Electromagnetic valve driving device17 Feb 2026US 12,553,400 B2Hitachi Astemo, Ltd.
- Control device and method for controlling an injector30 Dec 2025US 12,510,040 B2Hitachi Astemo, Ltd.
- Voltage supply module control for a fuel injected engine4 Nov 2025US 12,460,595 B2Fca US LLC
- Fuel injector drive system4 Nov 2025US 12,460,596 B2Caterpillar Inc.
- Fueling system controls including detection of valve fully open condition16 Jul 2026US 2026/0201846 A1Cummins Inc.
- Internal combustion engine and fueling system for injecting gaseous fuel and method for releasing movable mass from valve seat25 Jun 2026US 2026/0177020 A1
- Injector valve force control18 Jun 2026US 2026/0168457 A1Caterpillar Inc.
- Load driving device and method for controlling load driving device16 Apr 2026US 2026/0106549 A1Hitachi Astemo, Ltd.
- Fuel injector drive system11 Sep 2025US 2025/0283437 A1Caterpillar Inc.
Most cited
By later US patents
- Solenoid driver control circuit with initial boost voltage87US 4,729,056 AMotorola, Inc. · 1988
- Power supply voltage booster86US 8,018,216 B2Denso Corporation · 2011
- Electromagnetic injection valve53US 4,984,549 AColtec Industries Inc. · 1991
- System and method for operating high speed solenoid actuated devices53US 5,381,297 ASiemens Automotive Corporation · 1995
- Method and apparatus for controlling a solenoid operated fuel injector51US 4,922,878 ACaterpillar Inc. · 1990