F02P 5/00
Advancing or retarding ignition
Official title: Advancing or retarding ignition; Control therefor
F02P5/00 (Advancing or retarding ignition) appears on 4,466 US grants and 2,721 published applications in this corpus.
Search patents in F02P- Granted patents
- 4,466
- Published applications
- 2,721
- Assignees
- 610
- Inventors
- 6,080
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 68 | 0 |
| 1977 | 65 | 0 |
| 1978 | 100 | 0 |
| 1979 | 73 | 0 |
| 1980 | 68 | 0 |
| 1981 | 100 | 0 |
| 1982 | 82 | 0 |
| 1983 | 107 | 0 |
| 1984 | 120 | 0 |
| 1985 | 105 | 0 |
| 1986 | 82 | 0 |
| 1987 | 86 | 0 |
| 1988 | 68 | 0 |
| 1989 | 85 | 0 |
| 1990 | 79 | 0 |
| 1991 | 99 | 0 |
| 1992 | 75 | 0 |
| 1993 | 59 | 0 |
| 1994 | 39 | 0 |
| 1995 | 44 | 0 |
| 1996 | 68 | 0 |
| 1997 | 50 | 0 |
| 1998 | 56 | 0 |
| 1999 | 52 | 0 |
| 2000 | 33 | 0 |
| 2001 | 59 | 17 |
| 2002 | 48 | 67 |
| 2003 | 77 | 78 |
| 2004 | 85 | 95 |
| 2005 | 78 | 68 |
| 2006 | 88 | 80 |
| 2007 | 90 | 81 |
| 2008 | 62 | 90 |
| 2009 | 48 | 97 |
| 2010 | 79 | 104 |
| 2011 | 64 | 109 |
| 2012 | 93 | 110 |
| 2013 | 88 | 98 |
| 2014 | 101 | 129 |
| 2015 | 86 | 168 |
| 2016 | 148 | 190 |
| 2017 | 171 | 175 |
| 2018 | 197 | 221 |
| 2019 | 222 | 180 |
| 2020 | 186 | 158 |
| 2021 | 185 | 121 |
| 2022 | 141 | 97 |
| 2023 | 83 | 63 |
| 2024 | 68 | 47 |
| 2025 | 39 | 41 |
| 2026 | 17 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02P 5/04Automatically, as a function of the working conditions of the engine or4,386
- F02P 5/02Non-automatically56
- F02P 5/005Advancing or retarding ignition: with combination of automatic and non- automatic means17
- F02P 5/16Advancing or retarding ignition: characterised by the mechanical transmission between sensing elements7
Recent patents
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- Control apparatus for internal combustion engine1 Sep 2026US 12,723,564 B2Honda Motor Co., Ltd.
- Vehicle control device4 Aug 2026US 12,697,959 B2Toyota Jidosha Kabushiki Kaisha
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture7 Jul 2026US 12,674,409 B2Climate Energy Investments, LLC
- Engine system with combustion control for reducing combustion variations7 Jul 2026US 12,674,428 B2Mazda Motor Corporation
- Engine control system and methods8 Oct 2026US 2026/0309111 A1Arctic Cat Inc.
- Method and system for controlling the engine torque of an internal combustion engine1 Oct 2026US 2026/0298167 A1Vitesco Technologies GmbH
- Control Device Of Internal Combustion Engine For Portable Work Machine, And Portable Work Machine1 Oct 2026US 2026/0298189 A1Yamabiko Corporation
- Control device for vehicle24 Sep 2026US 2026/0285291 A1Toyota Jidosha Kabushiki Kaisha
- Control system for multi-fuel generator set and control method thereof, and generator set17 Sep 2026US 2026/0275924 A1Chongqing Rato Technology Co., Ltd.
Most cited
By later US patents
- Processor interrupt device for an electronic engine control apparatus710US 4,282,573 AHitachi, Ltd. · 1981
- Internal combustion engine control for improved fuel efficiency214US 8,099,224 B2Tula Technology, Inc. · 2012
- Exhaust gas control using a spark plug ionization signal198US 6,980,903 B2Visteon Global Technologies, Inc. · 2005
- Apparatus and method for internal combustion engine control173US 5,657,625 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- Ignition timing control apparatus for an internal combustion engine169US 4,913,116 AHitachi Automotive Engineering Co., Ltd. · 1990