F02D 19/0671
Means to generate or modify a fuel
Official title: {Means to generate or modify a fuel, e.g. reformers, electrolytic cells or membranes}
F02D19/0671 (Means to generate or modify a fuel) appears on 358 US grants and 411 published applications in this corpus.
Search patents in F02D- Granted patents
- 358
- Published applications
- 411
- Assignees
- 132
- Inventors
- 578
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 5 |
| 2003 | 6 | 9 |
| 2004 | 10 | 6 |
| 2005 | 3 | 5 |
| 2006 | 6 | 12 |
| 2007 | 12 | 21 |
| 2008 | 13 | 22 |
| 2009 | 10 | 17 |
| 2010 | 15 | 26 |
| 2011 | 12 | 30 |
| 2012 | 17 | 23 |
| 2013 | 24 | 16 |
| 2014 | 16 | 18 |
| 2015 | 16 | 18 |
| 2016 | 11 | 5 |
| 2017 | 15 | 21 |
| 2018 | 13 | 21 |
| 2019 | 15 | 38 |
| 2020 | 30 | 15 |
| 2021 | 26 | 14 |
| 2022 | 9 | 15 |
| 2023 | 16 | 13 |
| 2024 | 17 | 20 |
| 2025 | 15 | 14 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Internal combustion engine12 May 2026US 12,624,669 B2Innio Jenbacher GmbH & Co OG
- Method of operating an internal combustion engine of a truck or omnibus28 Apr 2026US 12,612,878 B2Obrist Technologies GmbH
- Fuel reforming system for vehicle with engine mounted thereon14 Apr 2026US 12,601,318 B2Mazda Motor Corporation
- Ammonia cracking for multi-fuel engines17 Feb 2026US 12,552,419 B2Cummins Power Generation Inc.
- Intelligent fuel storage and blending system6 Jan 2026US 12,516,639 B2
- Improvements relating to internal combustion engines3 Sep 2026US 2026/0258758 A1Commonwealth Scientific and Industrial Research Organisation
- Method and Apparatus for Non-Fossil Fuel Internal Combustion Engine27 Aug 2026US 2026/0251112 A1MayMaan Research, LLC
- Ammonia gas supply system and internal combustion engine system13 Aug 2026US 2026/0235093 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- System and method of adding gaseous oxygen additive derived from an oxygen concentrator to diesel fuel to improve combustion11 Jun 2026US 2026/0160223 A1H2Diesel, Inc.
- Ammonia cracking for multi-fuel engines4 Jun 2026US 2026/0152212 A1Cummins Power Generation Inc.
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
- Reformed natural gas for powering an internal combustion engine177US 6,508,209 B12003
- Optimized fuel management system for direct injection ethanol enhancement of gasoline engines129US 7,225,787 B2Massachusetts Institute of Technology · 2007
- Fuel supply apparatus for an internal combustion engine128US 6,711,893 B2ExxonMobil Research and Engineering Company · 2004
- Fuel supply apparatus of internal combustion engine102US 6,332,448 B1Nissan Motor Co., Ltd. · 2001