F02P 15/12
Electric spark ignition having characteristics not provided for in, or of interest
Official title: having means for strengthening spark during starting
F02P15/12 (Electric spark ignition having characteristics not provided for in, or of interest) appears on 80 US grants and 28 published applications in this corpus.
Search patents in F02P- Granted patents
- 80
- Published applications
- 28
- Assignees
- 49
- Inventors
- 122
- Latest grant
- 22 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 4 |
| 2015 | 1 | 3 |
| 2016 | 4 | 1 |
| 2017 | 0 | 3 |
| 2018 | 2 | 2 |
| 2019 | 4 | 3 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Gasoline internal combustion engine with assisted compression ignition22 Nov 2022US 11,506,168 B2Saudi Arabian Oil Company
- Internal combustion engine use ignition device4 Oct 2022US 11,462,356 B2Mitsubishi Electric Corporation
- Engine ignition system and method using sparkplug dry firing to extend service life15 Jun 2021US 11,035,334 B1Caterpillar Inc.
- Ignition device, internal combustion engine and method for its operation16 Feb 2021US 10,920,734 B2PRUEFREX engineering e motion GmbH & Co. KG
- Method and apparatus to control an ignition system24 Nov 2020US 10,844,825 B2Delphi Automotive Systems Luxembourg SA
- Gasoline internal combustion engine with assisted compression ignition6 Jan 2022US 2022/0003148 A1Aramco Overseas Company B.V.
- Internal combustion engine use ignition device9 Dec 2021US 2021/0383964 A1Mitsubishi Electric Corporation
- Multiple-choice piggyback ignition booster circuit for internal combustion engines and other motors3 Sep 2020US 2020/0277924 A1
- Ignition device, internal combustion engine and method for its operation7 Nov 2019US 2019/0338746 A1PRUEFREX engineering e motion GmbH & Co. KG
- Method and apparatus to control an ignition system30 May 2019US 2019/0162155 A1Delphi Automotive Systems Luxembourg SA
Most cited
By later US patents
- Buck-boost regulated D.C. to D.C. power supply208US 4,549,254 AChrysler Corporation · 1985
- Optimized high power high energy ignition system88US 5,456,241 ACombustion Electromagnetics, Inc. · 1995
- Spark plug igniter comprising a DC-DC converter34US 4,136,301 AKabushiki Kaisha Sigma Electronics Planning · 1979
- Plasma jet ignition system for internal combustion engine30US 4,369,756 ANissan Motor Co., Ltd. · 1983
- Apparatus and method for starting a diesel engine using plasma ignition plugs30US 4,487,177 ANissan Motor Co., Ltd. · 1984