F02B 9/06
Engines characterised by other types of ignition: with non-timed positive ignition
Official title: with non-timed positive ignition, e.g. with hot-spots
F02B9/06 (Engines characterised by other types of ignition: with non-timed positive ignition) appears on 47 US grants and 19 published applications in this corpus.
Search patents in F02B- Granted patents
- 47
- Published applications
- 19
- Assignees
- 22
- Inventors
- 71
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 5 | 3 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 3 | 0 |
| 2025 | 0 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engine having hotspot fuel igniter and piston and methodology using same3 Mar 2026US 12,565,865 B2Caterpillar Inc.
- Prechamber ignited engine and operating methods therefor17 Dec 2024US 12,168,952 B1Caterpillar Inc.
- Fuel injection system and method22 Oct 2024US 12,123,383 B2Volvo Construction Equipment AB
- Reciprocating-piston internal combustion engine16 Jan 2024US 11,873,779 B2Man Truck & Bus AG
- Revolving speed variable voltage power supply for glow plug of two-stroke or four-stroke gasoline engine23 Aug 2022US 11,421,643 B1
- Engine, engine control method, and vehicle16 Oct 2025US 2025/0320825 A1BYD Company Limited
- Engine having hotspot fuel igniter and piston and methodology using same28 Aug 2025US 2025/0270969 A1Caterpillar Inc.
- Scalable energy generator30 Jan 2025US 2025/0035035 A1WB Development Company, LLC
- Fuel injection system and method7 Dec 2023US 2023/0392569 A1Volvo Construction Equipment AB
- Reciprocating-piston internal combustion engine22 Jun 2023US 2023/0193849 A1Man Truck & Bus AG
Most cited
By later US patents
- Combustion chamber for internal combustion engine and process of combustion using fuel radical species42US 5,322,042 ASonex Research, Inc. · 1994
- Rotary engine and method of combusting fuel28US 10,145,291 B1Pratt & Whitney Canada Corp. · 2018
- Remotely controlled starter for model toy engines17US 5,095,865 A1992
- Hot surface impact ignition type internal combustion engine and method of hot surface impact ignition17US 5,329,901 ANippon Clean Engine Research Institute Co., Ltd. · 1994
- Exhaust gas recirculation methods and apparatus for reducing NOx emissions from internal combustion engines17US 7,302,939 B2Westport Power Inc. · 2007