Ignition, other than compression ignition, for internal-combustion engines
Official title: IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES ({anti-pollution means for internal-combustion engines F02B17/00}; specially adapted for rotary-piston or oscillating-piston engines F02B53/12; {ignition of gas turbine plants F02C7/26; ignition of jet propulsion plants F02K9/95; starting of combustion engines F02N9/00}; ignition of combustion apparatus in general, glowing plugs F23Q; measuring of physical variables in general G01; controlling in general G05; data processing in general G06; electrical components in general see Section H; {ignition coils H01F38/12}; sparking plugs H01T13/00)
F02P (Ignition, other than compression ignition, for internal-combustion engines) appears on 9,631 US grants and 5,344 published applications in this corpus.
Search patents in F02P- Granted patents
- 9,631
- Published applications
- 5,344
- Assignees
- 1,346
- Inventors
- 11,616
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 177 | 0 |
| 1977 | 181 | 0 |
| 1978 | 224 | 0 |
| 1979 | 177 | 0 |
| 1980 | 170 | 0 |
| 1981 | 227 | 0 |
| 1982 | 200 | 0 |
| 1983 | 233 | 0 |
| 1984 | 249 | 0 |
| 1985 | 221 | 0 |
| 1986 | 161 | 0 |
| 1987 | 186 | 0 |
| 1988 | 146 | 0 |
| 1989 | 173 | 0 |
| 1990 | 205 | 0 |
| 1991 | 227 | 0 |
| 1992 | 190 | 0 |
| 1993 | 177 | 0 |
| 1994 | 146 | 0 |
| 1995 | 154 | 0 |
| 1996 | 166 | 0 |
| 1997 | 163 | 0 |
| 1998 | 160 | 0 |
| 1999 | 130 | 0 |
| 2000 | 124 | 0 |
| 2001 | 159 | 38 |
| 2002 | 148 | 147 |
| 2003 | 183 | 182 |
| 2004 | 197 | 187 |
| 2005 | 163 | 168 |
| 2006 | 172 | 170 |
| 2007 | 156 | 172 |
| 2008 | 134 | 180 |
| 2009 | 96 | 238 |
| 2010 | 164 | 235 |
| 2011 | 143 | 238 |
| 2012 | 172 | 230 |
| 2013 | 188 | 242 |
| 2014 | 222 | 308 |
| 2015 | 194 | 321 |
| 2016 | 307 | 355 |
| 2017 | 341 | 339 |
| 2018 | 379 | 369 |
| 2019 | 352 | 294 |
| 2020 | 303 | 257 |
| 2021 | 293 | 207 |
| 2022 | 226 | 158 |
| 2023 | 154 | 105 |
| 2024 | 125 | 81 |
| 2025 | 61 | 56 |
| 2026 | 32 | 67 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
- F02P 5/00Advancing or retarding ignition4,466
- F02P 3/00Ignition, other than compression ignition, for internal-combustion engines: other installations1,996
- F02P 17/00Testing of ignition installations1,298
- F02P 7/00Arrangements of distributors, circuit-makers or -breakers1,218
- F02P 15/00Electric spark ignition having characteristics not provided for in, or of interest1,207
- F02P 9/00Electric spark ignition control, not otherwise provided for1,137
- F02P 11/00Safety means for electric spark ignition, not otherwise provided for617
- F02P 13/00Sparking plugs structurally combined with other parts of internal-combustion engines560
All 12 main groupsShow fewer
- F02P 23/00Ignition, other than compression ignition, for internal-combustion engines: other ignition530
- F02P 19/00Incandescent ignition482
- F02P 1/00Installations having electric ignition energy generated by magneto- or dynamo- electric generators462
- F02P 21/00Direct use of flames or burners for ignition14
Recent patents
- Internal combustion engine with combustion pre-chamber6 Oct 2026US 12,753,717 B2Brp-Rotax GmbH & Co. KG
- Engine control apparatus6 Oct 2026US 12,753,734 B2Subaru Corporation
- Systems and methods for engine start15 Sep 2026US 12,736,015 B2Polaris Industries Inc.
- Ignition system and control method15 Sep 2026US 12,736,024 B2Clean Combustion Engine Technology Inc.
- Heat management system and heat management method of an internal combustion engine1 Sep 2026US 12,723,535 B2Ino8 Pty Ltd.
- Engine control system and methods8 Oct 2026US 2026/0309111 A1Arctic Cat Inc.
- Ignition device and internal combustion engine8 Oct 2026US 2026/0309112 A1Toyota Jidosha Kabushiki Kaisha
- System and method for monitoring by ion current the combustion in an internal combustion engine8 Oct 2026US 2026/0309113 A1Ferrari S.P. A.
- 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
Most cited
- Magnetic non-contacting rotary transducer1,175US 6,498,480 B1Wabash Technologies, Inc. · 2002
- Processor interrupt device for an electronic engine control apparatus710US 4,282,573 AHitachi, Ltd. · 1981
- Noise blanker circuit for use with electronic ignition systems or the like224US 4,347,827 AMotorola, Inc. · 1982
- Voltage monitoring glow plug controller216US 6,009,369 ANartron Corporation · 1999
- Internal combustion engine control for improved fuel efficiency214US 8,099,224 B2Tula Technology, Inc. · 2012