F02D 19/10
Peculiar to compression-ignition engines in which the main fuel is gaseous
Official title: peculiar to compression-ignition engines in which the main fuel is gaseous
F02D19/10 (Peculiar to compression-ignition engines in which the main fuel is gaseous) appears on 446 US grants and 468 published applications in this corpus.
Search patents in F02D- Granted patents
- 446
- Published applications
- 468
- Assignees
- 163
- Inventors
- 731
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 0 |
| 2002 | 6 | 11 |
| 2003 | 8 | 5 |
| 2004 | 7 | 13 |
| 2005 | 5 | 7 |
| 2006 | 12 | 8 |
| 2007 | 8 | 5 |
| 2008 | 6 | 5 |
| 2009 | 5 | 8 |
| 2010 | 5 | 5 |
| 2011 | 3 | 7 |
| 2012 | 4 | 17 |
| 2013 | 5 | 22 |
| 2014 | 12 | 50 |
| 2015 | 29 | 53 |
| 2016 | 31 | 48 |
| 2017 | 40 | 29 |
| 2018 | 25 | 34 |
| 2019 | 29 | 33 |
| 2020 | 33 | 20 |
| 2021 | 31 | 19 |
| 2022 | 18 | 14 |
| 2023 | 21 | 13 |
| 2024 | 12 | 13 |
| 2025 | 15 | 18 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Injectors, methods, and systems for dual fuel combustion22 Sep 2026US 12,742,428 B2
- Fuel system having dual fuel quill connector and quill connector installation method26 May 2026US 12,637,994 B2Caterpillar Inc.
- Apparatus and method for regulating gaseous fuel pressure and mitigating emissions in an internal combustion engine system7 Apr 2026US 12,595,772 B2Cespira Canada LP
- Systems for a multi-fuel capable engine10 Feb 2026US 12,546,266 B2Transportation IP Holdings, LLC
- Systems and methods for at-cylinder fuel switching27 Jan 2026US 12,535,041 B2Caterpillar Inc.
- Fuel for a compression engine20 Aug 2026US 2026/0243206 A1Eurenco France SAS
- Dual fuel injector, engine, and control method for a dual fuel injector4 Jun 2026US 2026/0153058 A1Weichai Power Co., Ltd.
- Method of operating a hybrid ammonia-diesel compression ignition propulsion system and/or power generation system and controlling the power output and emissions thereof14 May 2026US 2026/0132750 A1Analytical Engineering, Inc.
- Fuel system having dual fuel quill connector and quill connector installation method26 Mar 2026US 2026/0085651 A1Caterpillar Inc.
- Apparatus and method for operating an internal combustion engine with multiple combustion modes5 Mar 2026US 2026/0063090 A1HPDI Technology Limited Partnership
Most cited
By later US patents
- 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
- Methods and apparatus for operation of multiple fuel engines199US 7,222,015 B2Engine Control Technology, LLC · 2007
- Multiple operating mode engine and method of operation134US 6,561,157 B2Cummins Inc. · 2003
- Lambda control by skip fire of unthrottled gas fueled engines117US 5,553,575 AServojet Products International · 1996