F02D 19/025
Failure diagnosis or prevention
Official title: {Failure diagnosis or prevention; Safety measures; Testing}
F02D19/025 (Failure diagnosis or prevention) appears on 130 US grants and 127 published applications in this corpus.
Search patents in F02D- Granted patents
- 130
- Published applications
- 127
- Assignees
- 86
- Inventors
- 368
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 3 |
| 2002 | 5 | 1 |
| 2003 | 1 | 3 |
| 2004 | 3 | 5 |
| 2005 | 3 | 2 |
| 2006 | 4 | 2 |
| 2007 | 1 | 4 |
| 2008 | 4 | 1 |
| 2009 | 0 | 6 |
| 2010 | 2 | 1 |
| 2011 | 5 | 4 |
| 2012 | 0 | 3 |
| 2013 | 3 | 9 |
| 2014 | 3 | 10 |
| 2015 | 9 | 12 |
| 2016 | 11 | 9 |
| 2017 | 6 | 2 |
| 2018 | 6 | 4 |
| 2019 | 8 | 9 |
| 2020 | 4 | 4 |
| 2021 | 6 | 5 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 8 | 10 |
| 2025 | 6 | 8 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Controller for a fuel supply system29 Sep 2026US 12,747,709 B2Toyota Jidosha Kabushiki Kaisha
- Nitrogen compression system for leakage test on gas pipeline used for engine and vessel including the same28 Apr 2026US 12,613,004 B2Daewoo Shipbuilding & Marine Engineering Co., Ltd.
- Anomaly determination device for internal combustion engine14 Apr 2026US 12,601,304 B2Toyota Jidosha Kabushiki Kaisha
- Controller for internal combustion engine24 Mar 2026US 12,584,449 B2Toyota Jidosha Kabushiki Kaisha
- Fuel system leakage anomaly detection device and fuel system leakage anomaly detection method for internal combustion engine17 Feb 2026US 12,553,408 B2Toyota Jidosha Kabushiki Kaisha
- System and control method13 Aug 2026US 2026/0235056 A1Komatsu Ltd.
- Method and processing arrangement for controlling a permission to crank an engine13 Aug 2026US 2026/0235088 A1Scania CV AB
- Knock detection method, knock detection device, gas engine13 Aug 2026US 2026/0235473 A1Caterpillar Energy Solutions GmbH
- Controller for internal combustion engine11 Jun 2026US 2026/0160215 A1Toyota Jidosha Kabushiki Kaisha
- Control device for internal combustion engine30 Apr 2026US 2026/0117722 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Apparatus and method for modifying control of an originally manufactured engine control module68US 5,523,948 A1996
- Gas fuel supply mechanism for gas combustion engine58US 5,611,316 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Dual fuel injection structure47US 5,136,986 AEnergy Conversions, Inc. · 1992
- Gas fuel supply system for vehicle42US 5,632,250 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Fuel supply system for internal combustion engines40US 5,829,418 AHonda Giken Kogyo Kabushiki Kaisha · 1998