F02D 19/02
Peculiar to engines working with gaseous fuels
Official title: peculiar to engines working with gaseous fuels
F02D19/02 (Peculiar to engines working with gaseous fuels) appears on 1,097 US grants and 1,052 published applications in this corpus.
Search patents in F02D- Granted patents
- 1,097
- Published applications
- 1,052
- Assignees
- 424
- Inventors
- 2,210
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 14 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 13 | 0 |
| 1993 | 8 | 0 |
| 1994 | 17 | 0 |
| 1995 | 17 | 0 |
| 1996 | 20 | 0 |
| 1997 | 19 | 0 |
| 1998 | 19 | 0 |
| 1999 | 18 | 0 |
| 2000 | 15 | 0 |
| 2001 | 20 | 4 |
| 2002 | 16 | 22 |
| 2003 | 21 | 22 |
| 2004 | 23 | 37 |
| 2005 | 20 | 23 |
| 2006 | 31 | 27 |
| 2007 | 23 | 30 |
| 2008 | 28 | 35 |
| 2009 | 13 | 37 |
| 2010 | 20 | 34 |
| 2011 | 24 | 36 |
| 2012 | 24 | 40 |
| 2013 | 31 | 39 |
| 2014 | 28 | 69 |
| 2015 | 39 | 56 |
| 2016 | 57 | 59 |
| 2017 | 47 | 45 |
| 2018 | 34 | 49 |
| 2019 | 51 | 55 |
| 2020 | 45 | 46 |
| 2021 | 50 | 24 |
| 2022 | 39 | 34 |
| 2023 | 44 | 44 |
| 2024 | 56 | 62 |
| 2025 | 61 | 75 |
| 2026 | 34 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Controller for a fuel supply system29 Sep 2026US 12,747,709 B2Toyota Jidosha Kabushiki Kaisha
- Injectors, methods, and systems for dual fuel combustion22 Sep 2026US 12,742,428 B2
- Method of controlling fuel injection21 Jul 2026US 12,687,134 B2Phinia Delphi Luxembourg Sarl
- Controller for internal combustion engine7 Jul 2026US 12,674,427 B2Toyota Jidosha Kabushiki Kaisha
- Systems and methods for venting a pressurized fluid used as a fuel in an engine23 Jun 2026US 12,662,971 B2Caterpillar Inc.
- Fuel supply system, and vehicle1 Oct 2026US 2026/0298160 A1Isuzu Motors Limited
- Fuel quality determination systems and associated methods of operation27 Aug 2026US 2026/0251103 A1Inpro/Seal LLC
- Method of controlling injection in a hydrogen internal combustion engine20 Aug 2026US 2026/0243207 A1Phinia Delphi Luxembourg Sarl
- System and control method13 Aug 2026US 2026/0235056 A1Komatsu Ltd.
- Method and processing arrangement for controlling a permission to crank an engine13 Aug 2026US 2026/0235088 A1Scania CV AB
Most cited
By later US patents
- Bi-fuel control system and retrofit assembly for diesel engines231US 6,543,395 B2Gas Technologies LLC · 2003
- Method and apparatus for operating a dual fuel internal combustion engine226US 7,627,416 B2Westport Power Inc. · 2009
- Methods and apparatus for operation of multiple fuel engines199US 7,222,015 B2Engine Control Technology, LLC · 2007
- Fuel-conditioning skid147US 7,442,239 B2Ingersoll-Rand Energy Systems Corporation · 2008
- Optimized lambda and compression temperature control for compression ignition engines133US 6,273,076 B1Servojet Products International · 2001