F02P 3/0442
Using digital techniques
Official title: {using digital techniques (F02P3/0456, F02P3/053, F02P3/0554, F02P3/0558 take precedence)}
F02P3/0442 (Using digital techniques) appears on 115 US grants and 110 published applications in this corpus.
Search patents in F02P- Granted patents
- 115
- Published applications
- 110
- Assignees
- 57
- Inventors
- 224
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
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| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 3 |
| 2007 | 1 | 0 |
| 2008 | 3 | 6 |
| 2009 | 2 | 3 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 3 |
| 2013 | 3 | 3 |
| 2014 | 0 | 1 |
| 2015 | 1 | 6 |
| 2016 | 5 | 12 |
| 2017 | 12 | 15 |
| 2018 | 15 | 15 |
| 2019 | 14 | 9 |
| 2020 | 12 | 4 |
| 2021 | 7 | 10 |
| 2022 | 11 | 9 |
| 2023 | 6 | 2 |
| 2024 | 4 | 0 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus to control an ignition system16 Sep 2025US 12,416,282 B2BorgWarner Luxembourg Automotive Systems SA
- Control device for internal combustion engine6 May 2025US 12,292,023 B2Hitachi Astemo, Ltd.
- Engine ignition system with multiple ignition events21 May 2024US 11,988,184 B2Walbro Corporation
- Electronic device to control an ignition coil of an internal combustion engine and electronic ignition system thereof for detecting a misfire in the internal combustion engine26 Mar 2024US 11,939,944 B2Eldor Corporation S.P.A.
- Ignition device for internal combustion engine6 Feb 2024US 11,891,972 B2Denso Corporation
- Load control device, igniter, engine ignition device, and vehicle16 Apr 2026US 2026/0104027 A1Rohm Co., Ltd.
- Method and apparatus to control an ignition system9 Nov 2023US 2023/0358200 A1BorgWarner Luxembourg Automotive Systems SA
- Method and device for self-diagnosing ignition coil of engine of vehicle16 Feb 2023US 2023/0052720 A1Hyundai Motor Company
- Control Device for Internal Combustion Engine6 Oct 2022US 2022/0316436 A1Hitachi Astemo, Ltd.
- Ignition coil control system and method1 Sep 2022US 2022/0275782 A1Hyundai Motor Company
Most cited
By later US patents
- Power supply apparatus and power supply method52US 7,085,123 B2Luxon Energy Devices Corporation · 2006
- Low inductance high energy inductive ignition system41US 6,142,130 A2000
- Ignition apparatus for internal combustion engine27US 5,571,245 ANippondenso Co., Ltd. · 1996
- Internal combustion engine ignition system18US 4,317,437 AGeneral Motors Corporation · 1982
- Current flowing time period control system for ignition coil of internal combustion engine17US 4,773,380 ANippondenso Co., Ltd. · 1988