F02M 55/025
Common rails
Official title: {Common rails}
F02M55/025 (Common rails) appears on 735 US grants and 728 published applications in this corpus.
Search patents in F02M- Granted patents
- 735
- Published applications
- 728
- Assignees
- 250
- Inventors
- 1,543
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 16 | 0 |
| 2001 | 28 | 7 |
| 2002 | 25 | 17 |
| 2003 | 30 | 27 |
| 2004 | 27 | 35 |
| 2005 | 28 | 36 |
| 2006 | 18 | 32 |
| 2007 | 28 | 18 |
| 2008 | 22 | 22 |
| 2009 | 19 | 36 |
| 2010 | 20 | 22 |
| 2011 | 22 | 34 |
| 2012 | 13 | 14 |
| 2013 | 18 | 36 |
| 2014 | 16 | 30 |
| 2015 | 19 | 41 |
| 2016 | 25 | 39 |
| 2017 | 38 | 44 |
| 2018 | 47 | 44 |
| 2019 | 42 | 32 |
| 2020 | 31 | 42 |
| 2021 | 45 | 40 |
| 2022 | 32 | 23 |
| 2023 | 25 | 25 |
| 2024 | 15 | 11 |
| 2025 | 12 | 8 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Engine device5 May 2026US 12,618,388 B2Yanmar Power Technology Co., Ltd.
- 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
- 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
- Common rail fuel injection system62US 5,230,613 ADiesel Technology Company · 1993