F02M 65/006
Measuring or detecting fuel leakage of fuel injection apparatus
Official title: {Measuring or detecting fuel leakage of fuel injection apparatus}
F02M65/006 (Measuring or detecting fuel leakage of fuel injection apparatus) appears on 65 US grants and 61 published applications in this corpus.
Search patents in F02M- Granted patents
- 65
- Published applications
- 61
- Assignees
- 44
- Inventors
- 163
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 4 |
| 2014 | 0 | 7 |
| 2015 | 5 | 11 |
| 2016 | 9 | 5 |
| 2017 | 8 | 7 |
| 2018 | 4 | 4 |
| 2019 | 9 | 4 |
| 2020 | 4 | 1 |
| 2021 | 1 | 2 |
| 2022 | 4 | 3 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel pressure accumulating device11 Aug 2026US 12,704,104 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- 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
- Fuel injector adapter3 Feb 2026US 12,540,594 B1Caterpillar Inc.
- Gas detection systems and methods using survey area indicators25 Feb 2025US 12,235,190 B1Picarro, Inc.
- Fuel system cover for an internal combustion engine18 Jun 2024US 12,012,913 B2Cummins Inc.
- Fuel leakage diagnostic and fuel system diagnostic management apparatuses, methods, and systems1 Oct 2026US 2026/0298171 A1Cummins-Scania HPCR System, LLC
- Fuel system2 Jul 2026US 2026/0185499 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Fuel leak diagnostic system2 Apr 2026US 2026/0092587 A1Toyota Jidosha Kabushiki Kaisha
- Device for detecting a leakage in a fuel path of an engine16 Oct 2025US 2025/0320841 A1Liebherr-Components Colmar SAS
- Method for determining a leakage in a high-pressure region of a fuel supply system17 Jul 2025US 2025/0230787 A1
Most cited
By later US patents
- Thermal method of testing liquids from a nozzle36US 4,430,010 ARobert Bosch GmbH · 1984
- Testing device for fuel injectors33US 4,559,815 ATectron (Eng) Ltd. · 1985
- Cylinder head for an internal combustion engine with fuel injection29US 5,365,907 AMercedes-Benz AG · 1994
- Systems and methods for determining a gas leak detection survey area boundary22US 9,322,735 B1Picarro, Inc. · 2016
- Device for detecting a fuel supply system leak during an engine overrunning phase19US 5,974,865 ARobert Bosch GmbH · 1999