F02P 13/00
Sparking plugs structurally combined with other parts of internal-combustion engines
Official title: Sparking plugs structurally combined with other parts of internal-combustion engines ({connection of ignition coil to spark plug connector F02P3/02;} with fuel injectors F02M57/06 {; spark plug connector per se H01T13/04 – H01T13/06; predominant aspects of sparking plug, see H01T13/40 – H01T13/44})
F02P13/00 (Sparking plugs structurally combined with other parts of internal-combustion engines) appears on 560 US grants and 501 published applications in this corpus.
Search patents in F02P- Granted patents
- 560
- Published applications
- 501
- Assignees
- 217
- Inventors
- 1,053
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 10 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 6 |
| 2003 | 6 | 8 |
| 2004 | 9 | 11 |
| 2005 | 8 | 10 |
| 2006 | 8 | 9 |
| 2007 | 6 | 6 |
| 2008 | 10 | 10 |
| 2009 | 5 | 10 |
| 2010 | 6 | 13 |
| 2011 | 6 | 21 |
| 2012 | 11 | 33 |
| 2013 | 14 | 27 |
| 2014 | 36 | 43 |
| 2015 | 22 | 32 |
| 2016 | 33 | 45 |
| 2017 | 29 | 46 |
| 2018 | 47 | 49 |
| 2019 | 34 | 27 |
| 2020 | 23 | 21 |
| 2021 | 34 | 14 |
| 2022 | 18 | 14 |
| 2023 | 20 | 18 |
| 2024 | 18 | 13 |
| 2025 | 9 | 5 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multiconfiguration ignition coil and coil cap adapter12 May 2026US 12,626,860 B1
- Method for operating a motor vehicle, and motor vehicle21 Apr 2026US 12,606,154 B2Bayerische Motoren Werke Aktiengesellschaft
- Carbureted engine having an adjustable fuel to air ratio14 Apr 2026US 12,601,315 B2INI Power Systems, Inc.
- Electrically assisted pre-chamber ignition system17 Mar 2026US 12,577,902 B1Saudi Arabian Oil Company
- Pre-chamber ignition system and procedure for an internal combustion engine3 Mar 2026US 12,565,850 B2Marelli Europe S.P.A.
- Prechamber Ignition Means for an Internal Combustion Engine and Engine Having Same20 Aug 2026US 2026/0243191 A1Bayerische Motoren Werke Aktiengesellschaft
- Engine13 Aug 2026US 2026/0235068 A1Ishikawa Energy Research Co., Ltd.
- Carbureted engine having an adjustable fuel to air ratio16 Jul 2026US 2026/0201854 A1INI Power Systems, Inc.
- Spark plug9 Jul 2026US 2026/0196808 A1
- Magnetically rotating spark plug with slanted coaxial electrode30 Apr 2026US 2026/0117734 A1Hyundai Motor Company
Most cited
By later US patents
- Direct injection of fuels in internal combustion engines72US 6,755,175 B1Orbital Engine Company (Australia) Pty. Limited · 2004
- Combustion control system for internal combustion engines67US 4,736,718 A1988
- Fuel combustion system, method, and nozzle member therefor65US 5,024,193 ACaterpillar Inc. · 1991
- Fuel injection valve61US 4,967,708 ARobert Bosch GmbH · 1990
- Spark plug heater control system for internal combustion engine60US 5,230,309 AHonda Giken Kogyo Kabushiki Kaisha · 1993