F02M 55/002
Arrangement of leakage or drain conduits in or from injectors
Official title: {Arrangement of leakage or drain conduits in or from injectors}
F02M55/002 (Arrangement of leakage or drain conduits in or from injectors) appears on 210 US grants and 192 published applications in this corpus.
Search patents in F02M- Granted patents
- 210
- Published applications
- 192
- Assignees
- 110
- Inventors
- 493
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 3 |
| 2002 | 5 | 6 |
| 2003 | 8 | 9 |
| 2004 | 11 | 18 |
| 2005 | 12 | 8 |
| 2006 | 8 | 10 |
| 2007 | 6 | 8 |
| 2008 | 7 | 6 |
| 2009 | 5 | 10 |
| 2010 | 7 | 16 |
| 2011 | 6 | 8 |
| 2012 | 10 | 13 |
| 2013 | 6 | 10 |
| 2014 | 8 | 6 |
| 2015 | 8 | 8 |
| 2016 | 11 | 6 |
| 2017 | 6 | 9 |
| 2018 | 7 | 8 |
| 2019 | 9 | 7 |
| 2020 | 8 | 5 |
| 2021 | 3 | 2 |
| 2022 | 4 | 5 |
| 2023 | 6 | 2 |
| 2024 | 5 | 5 |
| 2025 | 1 | 1 |
| 2026 | 2 | 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 injector adapter3 Feb 2026US 12,540,594 B1Caterpillar Inc.
- Solenoid device and electromagnetic valve for fuel injection system18 Nov 2025US 12,473,880 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Modular and scalable rail fuel system architecture17 Dec 2024US 12,168,966 B2Cummins Inc.
- Fuel injector with flexible member17 Sep 2024US 12,092,060 B2Cummins Inc.
- Fuel system2 Jul 2026US 2026/0185499 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Multi-walled fuel system, method of operating multi-walled fuel system, and engine containing multi-walled fuel system23 Apr 2026US 2026/0110270 A1Cummins Inc.
- Fuel injector for dual fuel applications having non-return valve for leakage control26 Mar 2026US 2026/0085649 A1Caterpillar Inc.
- Flame arrestor screw19 Jun 2025US 2025/0195926 A1Woodward, Inc.
- Solenoid device and electromagnetic valve for fuel injection system29 Aug 2024US 2024/0287954 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
Most cited
By later US patents
- Laminated fuel line and connector105US 5,611,373 AHandy & Harman Automotive Group, Inc. · 1997
- Tube connectable to pipe66US 6,257,627 B1Nifco Inc. · 2001
- Method and apparatus for delivering two fuels to a direct injection internal combustion engine61US 7,373,931 B2Westport Power Inc. · 2008
- Fuel injector51US 6,338,445 B12002
- Electronic fuel injection control system for fuel injection valves50US 4,359,032 ADiesel Kiki Co., Ltd. · 1982