F02P 15/00
Electric spark ignition having characteristics not provided for in, or of interest
Official title: Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 {and combined with layout of ignition circuits (not combined F02B, F02C, F02G, F02K)}
F02P15/00 (Electric spark ignition having characteristics not provided for in, or of interest) appears on 1,207 US grants and 752 published applications in this corpus.
Search patents in F02P- Granted patents
- 1,207
- Published applications
- 752
- Assignees
- 353
- Inventors
- 1,900
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 11 | 0 |
| 1978 | 21 | 0 |
| 1979 | 21 | 0 |
| 1980 | 17 | 0 |
| 1981 | 18 | 0 |
| 1982 | 14 | 0 |
| 1983 | 16 | 0 |
| 1984 | 28 | 0 |
| 1985 | 29 | 0 |
| 1986 | 12 | 0 |
| 1987 | 26 | 0 |
| 1988 | 18 | 0 |
| 1989 | 16 | 0 |
| 1990 | 27 | 0 |
| 1991 | 29 | 0 |
| 1992 | 20 | 0 |
| 1993 | 28 | 0 |
| 1994 | 19 | 0 |
| 1995 | 25 | 0 |
| 1996 | 29 | 0 |
| 1997 | 19 | 0 |
| 1998 | 27 | 0 |
| 1999 | 10 | 0 |
| 2000 | 16 | 0 |
| 2001 | 22 | 4 |
| 2002 | 15 | 11 |
| 2003 | 18 | 18 |
| 2004 | 17 | 16 |
| 2005 | 12 | 17 |
| 2006 | 14 | 15 |
| 2007 | 14 | 22 |
| 2008 | 18 | 16 |
| 2009 | 9 | 35 |
| 2010 | 19 | 25 |
| 2011 | 20 | 21 |
| 2012 | 20 | 34 |
| 2013 | 22 | 33 |
| 2014 | 19 | 51 |
| 2015 | 22 | 48 |
| 2016 | 53 | 52 |
| 2017 | 54 | 82 |
| 2018 | 76 | 71 |
| 2019 | 58 | 37 |
| 2020 | 52 | 28 |
| 2021 | 43 | 39 |
| 2022 | 45 | 24 |
| 2023 | 26 | 26 |
| 2024 | 18 | 14 |
| 2025 | 12 | 7 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02P 15/08Electric spark ignition having characteristics not provided for in, or of interest420
- F02P 15/10Electric spark ignition having characteristics not provided for in, or of interest284
- F02P 15/02Arrangements having two or more sparking plugs204
- F02P 15/001Ignition installations adapted to specific engine types165
- F02P 15/008Reserve ignition systems120
- F02P 15/006Ignition installations combined with other systems82
- F02P 15/12Electric spark ignition having characteristics not provided for in, or of interest80
- F02P 15/04One of the spark electrodes being mounted on the engine working piston47
All 9 subgroupsShow fewer
Recent patents
- Internal combustion engine with combustion pre-chamber6 Oct 2026US 12,753,717 B2Brp-Rotax GmbH & Co. KG
- Method for operating a motor vehicle, and motor vehicle21 Apr 2026US 12,606,154 B2Bayerische Motoren Werke Aktiengesellschaft
- Pre-chamber ignition system and procedure for an internal combustion engine3 Mar 2026US 12,565,850 B2Marelli Europe S.P.A.
- Ignition system and method of operating a combustion engine20 Jan 2026US 12,529,341 B2General Electric Company
- Internal combustion engine23 Dec 2025US 12,503,992 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Ignition device and internal combustion engine8 Oct 2026US 2026/0309112 A1Toyota Jidosha Kabushiki Kaisha
- Magnetically rotating spark plug with slanted coaxial electrode30 Apr 2026US 2026/0117734 A1Hyundai Motor Company
- Ignition system23 Apr 2026US 2026/0110285 A1Volvo Truck Corporation
- Spark-plug wires for vehicle ignition system26 Mar 2026US 2026/0088591 A1Ford Global Technologies, LLC
- Ignition coil12 Mar 2026US 2026/0071603 A1Denso Corporation
Most cited
By later US patents
- Buck-boost regulated D.C. to D.C. power supply208US 4,549,254 AChrysler Corporation · 1985
- Electromagnetic ignition--an ignition system producing a large size and intense capacitive and inductive spark with an intense electromagnetic field feeding the spark160US 4,774,914 ACombustion Electromagnetics, Inc. · 1988
- Multi spark ignition system95US 4,922,883 AAisin Seiki Kabushiki Kaisha · 1990
- High efficiency voltage doubling ignition coil for CD system producing pulsed plasma type ignition92US 4,677,960 ACombustion Electromagnetics, Inc. · 1987
- Optimized high power high energy ignition system88US 5,456,241 ACombustion Electromagnetics, Inc. · 1995