F02M 21/029
Arrangement on engines or vehicle bodies
Official title: {Arrangement on engines or vehicle bodies; Conversion to gaseous fuel supply systems}
F02M21/029 (Arrangement on engines or vehicle bodies) appears on 123 US grants and 92 published applications in this corpus.
Search patents in F02M- Granted patents
- 123
- Published applications
- 92
- Assignees
- 76
- Inventors
- 280
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 5 |
| 2003 | 6 | 3 |
| 2004 | 1 | 2 |
| 2005 | 1 | 5 |
| 2006 | 3 | 2 |
| 2007 | 2 | 3 |
| 2008 | 4 | 2 |
| 2009 | 2 | 12 |
| 2010 | 8 | 3 |
| 2011 | 5 | 7 |
| 2012 | 3 | 5 |
| 2013 | 2 | 3 |
| 2014 | 6 | 8 |
| 2015 | 4 | 9 |
| 2016 | 1 | 4 |
| 2017 | 6 | 5 |
| 2018 | 9 | 5 |
| 2019 | 4 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- On-vehicle hydrogen supply apparatus17 Feb 2026US 12,553,577 B2Toyota Jidosha Kabushiki Kaisha
- Device for direct injection of a gaseous fuel30 Dec 2025US 12,510,042 B2Liebherr-Components Deggendorf GmbH
- Fuel module system21 Feb 2023US 11,585,297 B2Worthington Industries, Inc.
- System for adapting an internal combustion engine to be powered by gaseous fuel in gas phase and by gaseous fuel in liquid phase26 Oct 2021US 11,156,188 B2AC Corporation
- Combustion control system and method for switching between spark and pilot-ignited operating modes in dual fuel engine20 Apr 2021US 10,982,601 B2Caterpillar Inc.
- Device for direct injection of a gaseous fuel19 Mar 2026US 2026/0078721 A1Liebherr-Components Deggendorf GmbH
- Hydrogen regulation module for a hydrogen internal combustion engine5 Mar 2026US 2026/0063093 A1Phinia Delphi Luxembourg Sarl
- Device for direct injection of a gaseous fuel9 Jan 2025US 2025/0012240 A1Liebherr-Components Deggendorf GmbH
- Method for Operating an Internal Combustion Engine, a System for Carrying Out the Method and an Internal Combustion Engine19 Dec 2024US 2024/0418112 A1Keyou GmbH
- On-vehicle hydrogen supply apparatus4 Jan 2024US 2024/0003495 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Apparatus and methods for providing natural gas to multiple engines disposed upon multiple carriers166US 9,187,982 B2Baker Hughes Incorporated · 2015
- Internal combustion engines76US 5,531,199 AUnited Fuels Limited · 1996
- Internal combustion engine with cooling of intake air using refrigeration of liquefied fuel gas72US 5,375,580 AAir Products and Chemicals, Inc. · 1994
- Flow control system71US 5,150,690 AOrtech Corporation · 1992
- Apparatus and method for modifying control of an originally manufactured engine control module68US 5,523,948 A1996