F02P 3/0861
Closing the discharge circuit of the storage capacitor with semiconductor devices
Official title: {Closing the discharge circuit of the storage capacitor with semiconductor devices}
F02P3/0861 (Closing the discharge circuit of the storage capacitor with semiconductor devices) appears on 43 US grants and 16 published applications in this corpus.
Search patents in F02P- Granted patents
- 43
- Published applications
- 16
- Assignees
- 36
- Inventors
- 66
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
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| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
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| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
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| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 2 | 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.
- Control and communication module for light-duty combustion engine22 Aug 2019US 2019/0257280 A1Walbro 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