F02M 55/02
Conduits between injection pumps and injectors
Official title: Conduits between injection pumps and injectors {, e.g. conduits between pump and common-rail or conduits between common-rail and injectors}
F02M55/02 (Conduits between injection pumps and injectors) appears on 1,025 US grants and 962 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,025
- Published applications
- 962
- Assignees
- 316
- Inventors
- 2,016
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 15 | 0 |
| 1999 | 14 | 0 |
| 2000 | 19 | 0 |
| 2001 | 40 | 11 |
| 2002 | 31 | 35 |
| 2003 | 43 | 36 |
| 2004 | 38 | 43 |
| 2005 | 40 | 45 |
| 2006 | 27 | 41 |
| 2007 | 35 | 22 |
| 2008 | 27 | 26 |
| 2009 | 24 | 49 |
| 2010 | 26 | 37 |
| 2011 | 27 | 44 |
| 2012 | 22 | 27 |
| 2013 | 25 | 42 |
| 2014 | 25 | 49 |
| 2015 | 30 | 51 |
| 2016 | 37 | 49 |
| 2017 | 47 | 56 |
| 2018 | 54 | 58 |
| 2019 | 57 | 48 |
| 2020 | 40 | 50 |
| 2021 | 56 | 45 |
| 2022 | 39 | 27 |
| 2023 | 28 | 29 |
| 2024 | 20 | 15 |
| 2025 | 13 | 12 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Metallic fluid tube6 Oct 2026US 12,753,865 B2HDT Veritas Hessen GmbH
- Destructive joint testing of medium filled port fuel injection rails15 Sep 2026US 12,736,022 B2Robert Bosch GmbH
- High pressure common rail system failure detection25 Aug 2026US 12,716,396 B2Progress Rail Locomotive Inc.
- Fuel pressure accumulating device11 Aug 2026US 12,704,104 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Fuel system having dual fuel quill connector and quill connector installation method26 May 2026US 12,637,994 B2Caterpillar Inc.
- Additive composition for common rail diesel engine fuel17 Sep 2026US 2026/0275949 A1YUKA SANGYO CO., LTD. and
- Destructive joint testing of medium filled port fuel injection rails3 Sep 2026US 2026/0258772 A1Robert Bosch GmbH
- Fuel system with self-optimizing fuel control valve27 Aug 2026US 2026/0251111 A1Deere & Company
- Fuel Gas Supply Device20 Aug 2026US 2026/0245926 A1Honda Motor Co., Ltd.
- Hydrogen application with collector unit30 Jul 2026US 2026/0218672 A1Anglo Belgian Corporation NV
Most cited
By later US patents
- Flow meter567US 6,874,480 B1Combustion Dynamics Corp. · 2005
- Fuel injection system and method for a diesel or stratified charge engine98US 5,313,924 AChrysler Corporation · 1994
- Device for detecting leakage in a fuel supply66US 5,715,786 ARobert Bosch GmbH · 1998
- Variable displacement high pressure pump for fuel injection systems64US 5,404,855 ACummins Engine Company, Inc. · 1995
- Connection structure for branching connector in high-pressure fuel rail62US 5,120,084 AUsui Kokusai Sangyo Kaisha Limited · 1992