F02M 21/0218
Details on the gaseous fuel supply system
Official title: {Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers}
F02M21/0218 (Details on the gaseous fuel supply system) appears on 1,871 US grants and 1,956 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,871
- Published applications
- 1,956
- Assignees
- 672
- Inventors
- 3,434
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 13 | 0 |
| 1985 | 25 | 0 |
| 1986 | 9 | 0 |
| 1987 | 12 | 0 |
| 1988 | 6 | 0 |
| 1989 | 15 | 0 |
| 1990 | 6 | 0 |
| 1991 | 14 | 0 |
| 1992 | 17 | 0 |
| 1993 | 11 | 0 |
| 1994 | 24 | 0 |
| 1995 | 27 | 0 |
| 1996 | 24 | 0 |
| 1997 | 22 | 0 |
| 1998 | 30 | 0 |
| 1999 | 28 | 0 |
| 2000 | 28 | 0 |
| 2001 | 28 | 12 |
| 2002 | 33 | 36 |
| 2003 | 34 | 33 |
| 2004 | 31 | 52 |
| 2005 | 26 | 42 |
| 2006 | 31 | 34 |
| 2007 | 38 | 42 |
| 2008 | 42 | 49 |
| 2009 | 23 | 62 |
| 2010 | 31 | 52 |
| 2011 | 34 | 68 |
| 2012 | 39 | 54 |
| 2013 | 38 | 81 |
| 2014 | 57 | 150 |
| 2015 | 83 | 161 |
| 2016 | 104 | 123 |
| 2017 | 116 | 96 |
| 2018 | 102 | 110 |
| 2019 | 104 | 85 |
| 2020 | 79 | 81 |
| 2021 | 64 | 42 |
| 2022 | 63 | 65 |
| 2023 | 80 | 87 |
| 2024 | 76 | 119 |
| 2025 | 96 | 121 |
| 2026 | 58 | 99 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02M 21/0248Injectors750
- F02M 21/023Valves741
- F02M 21/0221Fuel storage reservoirs400
- F02M 21/0245High pressure fuel supply systems293
- F02M 21/0287Characterised by the transition from liquid to gaseous phase226
- F02M 21/0227Means to treat or clean gaseous fuels or fuel systems188
- F02M 21/029Arrangement on engines or vehicle bodies123
- F02M 21/0284Arrangement of multiple injectors or fuel-air mixers per combustion chamber100
All 10 subgroupsShow fewer
Recent patents
- Vented methane gas mitigation system with failure detection6 Oct 2026US 12,753,731 B1Caterpillar Inc.
- Power-saving liquefied-gas-fuel ship and method for processing boil-off gas for liquefied-gas-fuel ship6 Oct 2026US 12,753,884 B2Hanwha Ocean Co., Ltd.
- Controller for a fuel supply system29 Sep 2026US 12,747,709 B2Toyota Jidosha Kabushiki Kaisha
- Injector for gaseous fuel8 Sep 2026US 12,729,660 B2Phinia Delphi Luxembourg Sarl
- Systems and methods for supplying gaseous ammonia to serially-connected ammonia cracking units1 Sep 2026US 12,723,559 B2First Ammonia Motors, Inc.
- Hydrogen Supply System for an Internal Combustion Engine8 Oct 2026US 2026/0309107 A1Robert Bosch GmbH
- Fuel supply system, and vehicle1 Oct 2026US 2026/0298160 A1Isuzu Motors Limited
- Internal combustion engine1 Oct 2026US 2026/0298179 A1Toyota Jidosha Kabushiki Kaisha
- Integrated fuel supply and injection system suitable for ammonia-hydrogen blending1 Oct 2026US 2026/0298180 A1Tianjin University
- Enhanced feedstock reforming via electrical resistance heating24 Sep 2026US 2026/0285678 A1Blaze Energy Technologies Corporation
Most cited
By later US patents
- Method and apparatus for operating a dual fuel internal combustion engine226US 7,627,416 B2Westport Power Inc. · 2009
- Remedial system: a pollution control device for utilizing and abating volatile organic compounds178US 8,776,734 B1Innovative Environmental Solutions, LLC · 2014
- Apparatus and methods for providing natural gas to multiple engines disposed upon multiple carriers166US 9,187,982 B2Baker Hughes Incorporated · 2015
- Fuel-conditioning skid147US 7,442,239 B2Ingersoll-Rand Energy Systems Corporation · 2008
- Fuel injector nozzle adapter118US 6,913,210 B2Holley Performance Products, Inc. · 2005