F02P 3/055
With protective means to prevent damage to the circuit
Official title: with protective means to prevent damage to the circuit, {e.g. semiconductor devices} or the ignition coil
F02P3/055 (With protective means to prevent damage to the circuit) appears on 240 US grants and 142 published applications in this corpus.
Search patents in F02P- Granted patents
- 240
- Published applications
- 142
- Assignees
- 88
- Inventors
- 370
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 10 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 3 |
| 2003 | 5 | 3 |
| 2004 | 5 | 6 |
| 2005 | 4 | 2 |
| 2006 | 3 | 5 |
| 2007 | 1 | 3 |
| 2008 | 3 | 5 |
| 2009 | 3 | 4 |
| 2010 | 5 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 3 |
| 2013 | 2 | 9 |
| 2014 | 0 | 5 |
| 2015 | 8 | 7 |
| 2016 | 13 | 13 |
| 2017 | 9 | 13 |
| 2018 | 14 | 13 |
| 2019 | 10 | 15 |
| 2020 | 10 | 11 |
| 2021 | 16 | 9 |
| 2022 | 10 | 4 |
| 2023 | 5 | 1 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus to control an ignition system16 Sep 2025US 12,416,282 B2BorgWarner Luxembourg Automotive Systems SA
- Ignition system and method controlling spark ignited combustion engines24 Dec 2024US 12,173,678 B2Sem AB
- Ignition device for an internal combustion engine22 Oct 2024US 12,123,385 B2Robert Bosch GmbH
- Power semiconductor device11 Jun 2024US 12,009,810 B2Mitsubishi Electric Corporation
- System of ignition coil24 Oct 2023US 11,795,899 B1Hyundai Motor Company
- Load control device, igniter, engine ignition device, and vehicle16 Apr 2026US 2026/0104027 A1Rohm Co., Ltd.
- Ignition device for an internal combustion engine21 Mar 2024US 2024/0093664 A1Robert Bosch GmbH
- Method and apparatus to control an ignition system9 Nov 2023US 2023/0358200 A1BorgWarner Luxembourg Automotive Systems SA
- Power semiconductor device29 Dec 2022US 2022/0416786 A1Mitsubishi Electric Corporation
- Ignition Drive Module, Ignition Drive Circuit and Ignition Control System11 Aug 2022US 2022/0252035 A1Kunshan Cadic Auto Electric Co Ltd
Most cited
By later US patents
- Electronic ignition system47US 3,937,193 AFord Motor Company · 1976
- Short-circuit-proof transistor output stage, especially ignition output stage for motor vehicles47US 5,559,661 ARobert Bosch GmbH · 1996
- Diagnostic circuit for units providing current control and protection against excessive heat dissipation for semiconductor power devices28US 5,008,771 ASGS-Thomson Microelectronics S.A. · 1991
- Dual-mode ignition system utilizing traveling spark ignitor28US 6,553,981 B1Knite, Inc. · 2003
- Electronic ignition system exhibiting efficient energy usage26US 4,149,508 A1979