F02P 3/0853
For control of the dwell or anti-dwell time
Official title: {for control of the dwell or anti-dwell time}
F02P3/0853 (For control of the dwell or anti-dwell time) appears on 51 US grants and 24 published applications in this corpus.
Search patents in F02P- Granted patents
- 51
- Published applications
- 24
- Assignees
- 46
- Inventors
- 80
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 2 |
| 2004 | 3 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 4 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 3 |
| 2020 | 0 | 0 |
| 2021 | 3 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Engine ignition systems and control methods therefor2 Dec 2025US 12,486,822 B2Hamilton Sundstrand Corporation
- Ignition drive module23 May 2023US 11,655,790 B2Kunshan Cadic Auto Electric Co Ltd
- Ignition drive module, ignition drive circuit and ignition control system16 May 2023US 11,649,796 B2Kunshan Cadic Auto Electric Co Ltd
- Current profile optimization4 May 2021US 10,995,726 B2Woodward, Inc.
- Control and communication module for light-duty combustion engine23 Mar 2021US 10,954,911 B2Walbro Corporation
- Engine ignition systems and control methods therefor13 Jun 2024US 2024/0191681 A1Hamilton Sundstrand Corporation
- Ignition Drive Module, Ignition Drive Circuit and Ignition Control System11 Aug 2022US 2022/0252035 A1Kunshan Cadic Auto Electric Co Ltd
- Ignition Drive Module4 Aug 2022US 2022/0243694 A1Kunshan Cadic Auto Electric Co Ltd
- Current Profile Optimization3 Oct 2019US 2019/0301423 A1Woodward, Inc.
- Ignition control system and ignition control device26 Sep 2019US 2019/0293042 A1Denso Corporation
Most cited
By later US patents
- Apparatus and method for providing ignition to a turbine engine39US 5,065,073 A1991
- Method and apparatus for controllably generating sparks in an ignition system or the like38US 5,754,011 AUnison Industries Limited Partnership · 1998
- Ignition apparatus for an internal combustion engine31US 5,215,066 AMitsubishi Denki Kabushiki Kaisha · 1993
- Apparatus and method for providing ignition to a turbine engine30US 5,148,084 AUnison Industries, LLC · 1992
- Apparatus and method for providing ignition to a turbine engine29US 5,245,252 A1993