F02P 3/0456
Using digital techniques
Official title: {using digital techniques}
F02P3/0456 (Using digital techniques) appears on 181 US grants and 52 published applications in this corpus.
Search patents in F02P- Granted patents
- 181
- Published applications
- 52
- Assignees
- 94
- Inventors
- 346
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 11 | 0 |
| 1991 | 9 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 1 |
| 2004 | 3 | 4 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 2 | 3 |
| 2009 | 1 | 2 |
| 2010 | 3 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 3 | 3 |
| 2017 | 4 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 7 |
| 2020 | 3 | 2 |
| 2021 | 4 | 3 |
| 2022 | 3 | 4 |
| 2023 | 6 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for igniting a motor vehicle combustion engine3 Jun 2025US 12,320,319 B2Vitesco Technologies GmbH
- System and method for controlling ignition coil23 Jan 2024US 11,879,420 B1Hyundai Motor Company
- Ignition coil control system and method19 Dec 2023US 11,846,262 B2Hyundai Motor Company
- System of ignition coil24 Oct 2023US 11,795,899 B1Hyundai Motor Company
- Spark plug heat up method via transient control of the spark discharge current4 Jul 2023US 11,692,522 B2Clean Combustion Engine Technology Inc.
- Ignition coil and ignition device20 Nov 2025US 2025/0354533 A1Diamond&Zebra Electric Mfg. Co., Ltd.
- Method for igniting a motor vehicle combustion engine2 Jan 2025US 2025/0003379 A1Vitesco Technologies GmbH
- Ignition coil control system and method1 Sep 2022US 2022/0275782 A1Hyundai Motor Company
- Ignition coil control system and method thereof11 Aug 2022US 2022/0252033 A1Hyundai Motor Company
- 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
- Engine control unit63US 5,598,825 ATranscom Gas Technologies Pty Ltd. · 1997
- Conversion system with electronic controller for utilization of gaseous fuels in spark ignition engines59US 6,145,494 AAlternative Fuel Systems, Inc. · 2000
- Engine ignition timing control system and method41US 5,422,811 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1995
- Conversion system with electronic controller for utilization of gaseous fuels in spark ignition engines39US 6,289,881 B1Alternative Fuel Systems, Inc. · 2001
- Engine control system36US 4,231,091 AGeneral Motors Corporation · 1980