Y02T 10/30
Use of alternative fuels
Official title: Use of alternative fuels, e.g. biofuels
Y02T10/30 (Use of alternative fuels) appears on 4,834 US grants and 4,675 published applications in this corpus.
Search patents in Y02T- Granted patents
- 4,834
- Published applications
- 4,675
- Assignees
- 1,307
- Inventors
- 7,310
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 30 | 0 |
| 1978 | 26 | 0 |
| 1979 | 13 | 0 |
| 1980 | 21 | 0 |
| 1981 | 23 | 0 |
| 1982 | 33 | 0 |
| 1983 | 46 | 0 |
| 1984 | 40 | 0 |
| 1985 | 50 | 0 |
| 1986 | 28 | 0 |
| 1987 | 27 | 0 |
| 1988 | 19 | 0 |
| 1989 | 32 | 0 |
| 1990 | 42 | 0 |
| 1991 | 51 | 0 |
| 1992 | 60 | 0 |
| 1993 | 63 | 0 |
| 1994 | 65 | 0 |
| 1995 | 65 | 0 |
| 1996 | 60 | 0 |
| 1997 | 43 | 0 |
| 1998 | 67 | 0 |
| 1999 | 69 | 0 |
| 2000 | 67 | 0 |
| 2001 | 85 | 16 |
| 2002 | 65 | 83 |
| 2003 | 74 | 95 |
| 2004 | 83 | 122 |
| 2005 | 76 | 96 |
| 2006 | 87 | 93 |
| 2007 | 89 | 133 |
| 2008 | 99 | 157 |
| 2009 | 80 | 215 |
| 2010 | 130 | 219 |
| 2011 | 143 | 234 |
| 2012 | 138 | 223 |
| 2013 | 161 | 270 |
| 2014 | 190 | 368 |
| 2015 | 232 | 349 |
| 2016 | 241 | 358 |
| 2017 | 289 | 241 |
| 2018 | 251 | 245 |
| 2019 | 244 | 234 |
| 2020 | 221 | 172 |
| 2021 | 200 | 126 |
| 2022 | 143 | 112 |
| 2023 | 156 | 163 |
| 2024 | 128 | 132 |
| 2025 | 113 | 134 |
| 2026 | 52 | 85 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual fuel selector switch8 Sep 2026US 12,729,655 B2Champion Power Equipment, Inc.
- Dual fuel selector switch1 Sep 2026US 12,723,549 B2Champion Power Equipment, Inc.
- Fuel agnostic compression ignition engine18 Aug 2026US 12,710,015 B2Climate Energy Investments, LLC
- Fuel supply device for internal combustion engine9 Jun 2026US 12,650,095 B2Toyota Jidosha Kabushiki Kaisha
- Method for detecting leakage of full-capacity LNG storage tank by acoustic emission9 Jun 2026US 12,650,357 B2China Special Equipment Inspection & Research Institute
- Dual fuel injector, design method therefor, and injection control method therefor27 Aug 2026US 2026/0251096 A1Weichai Power Co., Ltd.
- Fuel quality determination systems and associated methods of operation27 Aug 2026US 2026/0251103 A1Inpro/Seal LLC
- Fuel injector for direct injection of gaseous fuel27 Aug 2026US 2026/0251106 A9Phinia Delphi Luxembourg Sarl
- Fuel injection system for an internal combustion engine of a vehicle and a fuel injection method20 Aug 2026US 2026/0243192 A1Volvo Truck Corporation
- Method of controlling injection in a hydrogen internal combustion engine20 Aug 2026US 2026/0243207 A1Phinia Delphi Luxembourg Sarl
Most cited
By later US patents
- Conversion of coal to electricity289US 4,549,396 AMobil Oil Corporation · 1985
- 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
- Method and apparatus for operation of combustion engines205US 6,155,212 A2000
- Methods and apparatus for operation of multiple fuel engines199US 7,222,015 B2Engine Control Technology, LLC · 2007