F02M 57/026
Construction details of pressure amplifiers
Official title: {Construction details of pressure amplifiers, e.g. fuel passages or check valves arranged in the intensifier piston or head, particular diameter relationships, stop members, arrangement of ports or conduits}
F02M57/026 (Construction details of pressure amplifiers) appears on 129 US grants and 83 published applications in this corpus.
Search patents in F02M- Granted patents
- 129
- Published applications
- 83
- Assignees
- 51
- Inventors
- 206
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 4 |
| 2003 | 5 | 3 |
| 2004 | 1 | 7 |
| 2005 | 6 | 3 |
| 2006 | 4 | 9 |
| 2007 | 4 | 6 |
| 2008 | 5 | 5 |
| 2009 | 3 | 3 |
| 2010 | 4 | 7 |
| 2011 | 3 | 2 |
| 2012 | 3 | 3 |
| 2013 | 3 | 5 |
| 2014 | 3 | 2 |
| 2015 | 2 | 1 |
| 2016 | 3 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 6 | 3 |
| 2020 | 2 | 6 |
| 2021 | 3 | 1 |
| 2022 | 3 | 0 |
| 2023 | 4 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Fuel injector body with counterbore insert23 May 2023US 11,655,787 B2Caterpillar Inc.
- Injector apparatus26 Jan 2023US 2023/0024509 A1Rklab AG
- Injector apparatus12 Jan 2023US 2023/0007936 A1Rklab AG
- Injector apparatus12 Jan 2023US 2023/0012407 A1Rklab AG
- Component for flow rate control device, and fuel injection valve11 Feb 2021US 2021/0040926 A1Hitachi Automotive Systems, Ltd.
- Axial fluid spray nozzle with vent valve25 Jun 2020US 2020/0200066 A1Bontaz Centre R & D
Most cited
By later US patents
- Hydraulically-actuated electronically-controlled unit injector fuel system having variable control of actuating fluid pressure125US 5,191,867 ACaterpillar Inc. · 1993
- Accumulator fuel injection system70US 5,241,935 AServojet Electronic Systems, Ltd. · 1993
- Fuel injector system with feed-back control63US 5,722,373 A1998
- Individual timing and injection fuel metering system58US 5,441,027 ACummins Engine Company, Inc. · 1995
- Flexible injection rate shaping device for a hydraulically-actuated fuel injection system56US 5,492,098 ACaterpillar Inc. · 1996