F02M 21/0209
Hydrocarbon fuels
Official title: {Hydrocarbon fuels, e.g. methane or acetylene}
F02M21/0209 (Hydrocarbon fuels) appears on 458 US grants and 417 published applications in this corpus.
Search patents in F02M- Granted patents
- 458
- Published applications
- 417
- Assignees
- 238
- Inventors
- 880
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 12 | 1 |
| 2002 | 5 | 10 |
| 2003 | 8 | 9 |
| 2004 | 9 | 22 |
| 2005 | 15 | 16 |
| 2006 | 16 | 9 |
| 2007 | 11 | 8 |
| 2008 | 9 | 11 |
| 2009 | 9 | 18 |
| 2010 | 11 | 7 |
| 2011 | 9 | 19 |
| 2012 | 8 | 18 |
| 2013 | 13 | 18 |
| 2014 | 21 | 31 |
| 2015 | 19 | 26 |
| 2016 | 17 | 24 |
| 2017 | 23 | 22 |
| 2018 | 22 | 33 |
| 2019 | 33 | 21 |
| 2020 | 18 | 13 |
| 2021 | 15 | 17 |
| 2022 | 14 | 15 |
| 2023 | 17 | 18 |
| 2024 | 11 | 12 |
| 2025 | 13 | 12 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vented methane gas mitigation system with failure detection6 Oct 2026US 12,753,731 B1Caterpillar Inc.
- Method and system for processing gas in a gas storage facility for a gas tanker11 Aug 2026US 12,704,323 B2Gaztransport Et Technigaz
- Systems and method for vehicle thermal management28 Jul 2026US 12,692,812 B2
- Fuel reforming system28 Jul 2026US 12,692,828 B2Mazda Motor Corporation
- Engine7 Jul 2026US 12,674,431 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Blockchain mine at oil or gas facility11 Jun 2026US 2026/0162193 A1Upstream Data Inc.
- High pressure pump with bypass flow for lpg fuel30 Apr 2026US 2026/0117729 A1Stanadyne Operating Company LLC
- Systems and methods for methane number calculation19 Mar 2026US 2026/0079078 A1Caterpillar Inc.
- Lubricant dosing device for gaseous fuel engine5 Mar 2026US 2026/0063094 A1Phinia Delphi Luxembourg Sarl
- Fuel Delivery System Component Encasement Block5 Mar 2026US 2026/0063123 A1
Most cited
By later US patents
- Remedial system: a pollution control device for utilizing and abating volatile organic compounds178US 8,776,734 B1Innovative Environmental Solutions, LLC · 2014
- Operating techniques for internal combustion engines116US 6,408,625 B1Cummins Engine Company, Inc. · 2002
- Fuel system for a vehicle77US 9,694,671 B2Oshkosh Corporation · 2017
- Internal combustion engine dual fuel system73US 4,335,697 A1982
- Internal combustion engine with cooling of intake air using refrigeration of liquefied fuel gas72US 5,375,580 AAir Products and Chemicals, Inc. · 1994