F02M 31/18
To vaporise fuel
Official title: to vaporise fuel
F02M31/18 (To vaporise fuel) appears on 427 US grants and 235 published applications in this corpus.
Search patents in F02M- Granted patents
- 427
- Published applications
- 235
- Assignees
- 151
- Inventors
- 692
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 13 | 0 |
| 1978 | 13 | 0 |
| 1979 | 10 | 0 |
| 1980 | 12 | 0 |
| 1981 | 10 | 0 |
| 1982 | 25 | 0 |
| 1983 | 16 | 0 |
| 1984 | 15 | 0 |
| 1985 | 19 | 0 |
| 1986 | 9 | 0 |
| 1987 | 17 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 0 |
| 2002 | 8 | 5 |
| 2003 | 4 | 9 |
| 2004 | 9 | 11 |
| 2005 | 14 | 23 |
| 2006 | 8 | 10 |
| 2007 | 5 | 9 |
| 2008 | 7 | 13 |
| 2009 | 5 | 11 |
| 2010 | 4 | 11 |
| 2011 | 12 | 25 |
| 2012 | 9 | 15 |
| 2013 | 14 | 10 |
| 2014 | 10 | 5 |
| 2015 | 6 | 7 |
| 2016 | 3 | 8 |
| 2017 | 9 | 18 |
| 2018 | 10 | 11 |
| 2019 | 9 | 9 |
| 2020 | 8 | 4 |
| 2021 | 6 | 2 |
| 2022 | 2 | 2 |
| 2023 | 5 | 7 |
| 2024 | 5 | 3 |
| 2025 | 1 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hybrid drive and fuel vaporizer for UAV and other mobile environments18 Aug 2026US 12,709,419 B2LiquidPiston, Inc.
- Reconfigurable surgical frame and method for use thereof26 May 2026US 12,637,993 B2Warsaw Orthopedic, Inc.
- Propane fuel system thermal management systems and methods30 Dec 2025US 12,510,044 B2Cummins Inc.
- Reconfigurable surgical frame and method for use thereof22 Oct 2024US 12,123,381 B2Warsaw Orthopedic, Inc.
- Ammonia fuelled engine14 May 2024US 11,982,240 B2Perkins Engines Company Limited
- Fuel-based heating to enable mixing controlled combustion of small- molecule fuels10 Sep 2026US 2026/0266248 A1
- Thermal choke, autostart generator system, and method of use thereof18 Jun 2026US 2026/0168466 A1The Dewey Electronics Corporation
- Engine system, fuel vaporization system, and method for vaporizing a secondary liquid fuel7 May 2026US 2026/0126022 A1Cummins Power Generation Inc.
- Internal combustion engine26 Feb 2026US 2026/0055722 A1
- Engine device18 Sep 2025US 2025/0290473 A1Yanmar Holdings Co., Ltd.
Most cited
By later US patents
- Dual fuel supply system and method for an internal combustion engine116US 4,402,296 A1983
- Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines99US 5,357,908 AEngelhard Corporation · 1994
- Plural fuel system for internal combustion engine69US 5,546,908 A1996
- Methods and apparatus for vaporizing and utilizing fuels of various octane ratings62US 5,526,797 A1996
- Adaptive charge forming system for controlling the air/fuel mixture supplied to an internal combustion engine59US 4,368,707 AFuel Injection Development Corporation · 1983