F02M 2547/00
Special features for fuel-injection valves actuated by fluid pressure
F02M2547/00 (Special features for fuel-injection valves actuated by fluid pressure) appears on 205 US grants and 198 published applications in this corpus.
Search patents in F02M- Granted patents
- 205
- Published applications
- 198
- Assignees
- 60
- Inventors
- 314
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 17 | 0 |
| 2001 | 5 | 5 |
| 2002 | 7 | 8 |
| 2003 | 8 | 18 |
| 2004 | 14 | 9 |
| 2005 | 11 | 7 |
| 2006 | 4 | 14 |
| 2007 | 11 | 17 |
| 2008 | 8 | 21 |
| 2009 | 5 | 15 |
| 2010 | 10 | 15 |
| 2011 | 10 | 7 |
| 2012 | 5 | 9 |
| 2013 | 8 | 2 |
| 2014 | 10 | 5 |
| 2015 | 5 | 7 |
| 2016 | 4 | 11 |
| 2017 | 8 | 4 |
| 2018 | 5 | 5 |
| 2019 | 7 | 6 |
| 2020 | 8 | 6 |
| 2021 | 7 | 3 |
| 2022 | 3 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- F02M 2547/003Valve inserts containing control chamber and valve pistonIndexing code128
- F02M 2547/001Control chambers formed by movable sleevesIndexing code41
- F02M 2547/008Means for influencing the flow rate out of or into a controlIndexing code31
- F02M 2547/006Springs assisting hydraulic closing forceIndexing code13
- F02M 2547/005Fuel injectors without fuel return, i.e. the pressure in the control chamberIndexing code3
Recent patents
- Fuel injector internal combustion engine and vehicle16 Dec 2025US 12,497,938 B2Scania CV AB
- Fuel injector with flexible member17 Sep 2024US 12,092,060 B2Cummins Inc.
- Fuel injector body with counterbore insert23 May 2023US 11,655,787 B2Caterpillar Inc.
- Injector for injecting fuel15 Nov 2022US 11,499,513 B2Liebherr-Components Deggendorf GmbH
- Fuel injector with flexible member22 Feb 2022US 11,255,306 B2Cummins Inc.
- Fuel injector28 Aug 2025US 2025/0270972 A1Phinia Delphi Luxembourg Sarl
- Fuel injector internal combustion engine and vehicle21 Aug 2025US 2025/0264080 A1Scania CV AB
- Fuel injector with flexible member1 Jun 2023US 2023/0167793 A1Cummins Inc.
- Injector apparatus26 Jan 2023US 2023/0028686 A1Rklab AG
- Injector for injecting fuel3 Jun 2021US 2021/0164429 A1Liebherr-Components Deggendorf GmbH
Most cited
By later US patents
- Method and apparatus for delivering two fuels to a direct injection internal combustion engine61US 7,373,931 B2Westport Power Inc. · 2008
- Needle controlled fuel system with cyclic pressure generation47US 5,819,704 ACummins Engine Company, Inc. · 1998
- Fuel injection valve for internal combustion engines46US 5,694,903 AGanser-Hydromag AG · 1997
- Needle controlled fuel system with cyclic pressure generation45US 5,676,114 ACummins Engine Company, Inc. · 1997
- Valve for controlling fluids39US 6,142,443 ARobert Bosch GmbH · 2000