F02B 9/00
Engines characterised by other types of ignition
Official title: Engines characterised by other types of ignition (characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition F02B11/00)
F02B9/00 (Engines characterised by other types of ignition) appears on 114 US grants and 96 published applications in this corpus.
Search patents in F02B- Granted patents
- 114
- Published applications
- 96
- Assignees
- 62
- Inventors
- 243
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 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 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 3 |
| 2008 | 3 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 3 |
| 2015 | 3 | 5 |
| 2016 | 2 | 13 |
| 2017 | 7 | 7 |
| 2018 | 12 | 9 |
| 2019 | 8 | 5 |
| 2020 | 7 | 7 |
| 2021 | 9 | 9 |
| 2022 | 10 | 4 |
| 2023 | 2 | 4 |
| 2024 | 5 | 3 |
| 2025 | 2 | 4 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture7 Jul 2026US 12,674,409 B2Climate Energy Investments, LLC
- Lubricating fluid for internal combustion engines fueled with alternative combustion fuels having high auto-ignition temperatures23 Jun 2026US 12,662,646 B2Afton Chemical Corporation
- Engine having hotspot fuel igniter and piston and methodology using same3 Mar 2026US 12,565,865 B2Caterpillar Inc.
- Work vehicle power system with dynamic auto-ignition assistance compression ratios17 Feb 2026US 12,553,395 B2Deere & Company
- Systems and methods for coordinating an air blend valve with an intake air heater14 Oct 2025US 12,442,352 B1Saudi Arabian Oil Company
- Lubricating fluid for internal combustion engines fueled with alternative combustion fuels having high auto-ignition temperatures17 Sep 2026US 2026/0275226 A1Afton Chemical Corporation
- Multi-stage emission system for large displacement compression ignition non-road diesel, diesel-natural gas or alternative fuel mixture generator systems for emergency and non-emergency stationary power applications17 Sep 2026US 2026/0275892 A1Bluefin ESI, Inc.
- Method of operating a hybrid ammonia-diesel compression ignition propulsion system and/or power generation system and controlling the power output and emissions thereof14 May 2026US 2026/0132750 A1Analytical Engineering, Inc.
- Lubricating fluid for internal combustion engines fueled with alternative combustion fuels having high auto-ignition temperatures30 Apr 2026US 2026/0117140 A1Afton Chemical Corporation
- Engine, engine control method, and vehicle16 Oct 2025US 2025/0320825 A1BYD Company Limited
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
- Thermal ignition combustion system37US 4,738,227 AAdiabatics, Inc. · 1988
- Rotary engine and method of combusting fuel28US 10,145,291 B1Pratt & Whitney Canada Corp. · 2018
- Flex fuel field generator28US 9,175,601 B2INI Power Systems, Inc. · 2015
- Remotely controlled starter for model toy engines17US 5,095,865 A1992