F02M 55/00
Fuel-injection apparatus characterised by their fuel conduits or their venting means
Official title: Fuel-injection apparatus characterised by their fuel conduits or their venting means; {Arrangements of conduits between fuel tank and pump F02M37/00 (venting in general B01D19/00)}
F02M55/00 (Fuel-injection apparatus characterised by their fuel conduits or their venting means) appears on 2,069 US grants and 1,746 published applications in this corpus.
Search patents in F02M- Granted patents
- 2,069
- Published applications
- 1,746
- Assignees
- 499
- Inventors
- 3,645
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 13 | 0 |
| 1979 | 7 | 0 |
| 1980 | 13 | 0 |
| 1981 | 13 | 0 |
| 1982 | 13 | 0 |
| 1983 | 9 | 0 |
| 1984 | 16 | 0 |
| 1985 | 16 | 0 |
| 1986 | 19 | 0 |
| 1987 | 18 | 0 |
| 1988 | 11 | 0 |
| 1989 | 18 | 0 |
| 1990 | 14 | 0 |
| 1991 | 29 | 0 |
| 1992 | 30 | 0 |
| 1993 | 23 | 0 |
| 1994 | 23 | 0 |
| 1995 | 17 | 0 |
| 1996 | 23 | 0 |
| 1997 | 27 | 0 |
| 1998 | 33 | 0 |
| 1999 | 31 | 0 |
| 2000 | 59 | 0 |
| 2001 | 72 | 21 |
| 2002 | 80 | 69 |
| 2003 | 87 | 94 |
| 2004 | 79 | 91 |
| 2005 | 80 | 78 |
| 2006 | 61 | 80 |
| 2007 | 63 | 46 |
| 2008 | 54 | 55 |
| 2009 | 38 | 86 |
| 2010 | 44 | 74 |
| 2011 | 55 | 67 |
| 2012 | 49 | 53 |
| 2013 | 42 | 81 |
| 2014 | 45 | 80 |
| 2015 | 50 | 87 |
| 2016 | 66 | 85 |
| 2017 | 84 | 85 |
| 2018 | 82 | 93 |
| 2019 | 88 | 93 |
| 2020 | 68 | 89 |
| 2021 | 98 | 69 |
| 2022 | 75 | 47 |
| 2023 | 45 | 47 |
| 2024 | 32 | 25 |
| 2025 | 28 | 22 |
| 2026 | 14 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02M 55/02Conduits between injection pumps and injectors1,025
- F02M 55/004Joints504
- F02M 55/04Means for damping vibrations or pressure fluctuations in injection pump inlets or378
- F02M 55/002Arrangement of leakage or drain conduits in or from injectors210
- F02M 55/007Venting means193
- F02M 55/008Arrangement of fuel passages inside of injectors84
- F02M 55/001Pumps with means for preventing erosion on fuel discharge30
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.
- Prechamber assembly9 Jun 2026US 12,650,107 B2Innio Jenbacher GmbH & Co OG
- Fuel injector having fuel plunger with energized sealing element and method24 Sep 2026US 2026/0286923 A1Caterpillar Inc.
- Fuel injector of an internal combustion engine and internal combustion engine24 Sep 2026US 2026/0286924 A1Everllence SE
- Fuel injection device17 Sep 2026US 2026/0275947 A1Mitsubishi Heavy Industries Engine & Turbocharger, 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
Most cited
By later US patents
- Flow meter567US 6,874,480 B1Combustion Dynamics Corp. · 2005
- Dual fuel supply system for a direct-injection system of a diesel engine with on-board mixing169US 8,973,560 B2Dgc Industries Pty Ltd · 2015
- Priming reservoir and volume compensation device for hydraulic unit injector fuel system168US 5,245,970 ANavistar International Transportation Corp. · 1993
- Releasable plug-in connector for receiving a tubular plug-in part with a peripheral retaining rib111US 5,374,088 AA. Raymond & Cie · 1994
- Laminated fuel line and connector105US 5,611,373 AHandy & Harman Automotive Group, Inc. · 1997