F02B 3/04
Methods of operating
F02B3/04 (Methods of operating) appears on 22 US grants and 16 published applications in this corpus.
Search patents in F02B- Granted patents
- 22
- Published applications
- 16
- Assignees
- 18
- Inventors
- 40
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel bypass system for gaseous-fueled engine12 May 2026US 12,624,655 B2Generac Power Systems, Inc.
- Fuel bypass system for gaseous-fueled engine26 Nov 2024US 12,152,529 B2Generac Power Systems, Inc.
- Fuel bypass system for gaseous-fueled engine26 Mar 2024US 11,939,906 B2Generac Power Systems, Inc.
- Internal combustion engine with fuel compression chamber cylinders21 Mar 2023US 11,608,777 B2
- Fuel bypass system for gaseous-fueled engine6 Dec 2022US 11,519,325 B2Generac Power Systems, Inc.
- Fuel bypass system for gaseous-fueled engine17 Apr 2025US 2025/0122824 A1Generac Power Systems, Inc.
- Fuel bypass system for gaseous-fueled engine1 Aug 2024US 2024/0254912 A1Generac Power Systems, Inc.
- Engine21 Sep 2023US 2023/0296065 A1Yanmar Holdings Co., Ltd.
- Fuel bypass system for gaseous-fueled engine29 Jun 2023US 2023/0203982 A1Generac Power Systems, Inc.
- Fuel bypass system for gaseous-fueled engine22 Jul 2021US 2021/0222611 A1Generac Power Systems, Inc.
Most cited
By later US patents
- System and method for enhanced combustion control in an internal combustion engine43US 6,609,493 B2Nissan Motor Co., Ltd. · 2003
- Multi-stage combustion engine39US 5,609,131 AThe United States of America as represented by the Administrator of the U. S. Environmental Protection Agency · 1997
- Ignition-assisted fuel combustion system30US 4,548,172 ACaterpillar Tractor Co. · 1985
- Internal combustion engine14US 4,111,177 ATeledyne Industries, Inc. · 1978
- Method for the injection of fuel and fuel injection apparatus for performing the method12US 4,522,174 ARobert Bosch GmbH · 1985