F02M 65/003
Measuring variation of fuel pressure in high pressure line
Official title: {Measuring variation of fuel pressure in high pressure line}
F02M65/003 (Measuring variation of fuel pressure in high pressure line) appears on 122 US grants and 94 published applications in this corpus.
Search patents in F02M- Granted patents
- 122
- Published applications
- 94
- Assignees
- 64
- Inventors
- 271
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 4 |
| 2005 | 1 | 0 |
| 2006 | 2 | 2 |
| 2007 | 2 | 7 |
| 2008 | 7 | 3 |
| 2009 | 3 | 11 |
| 2010 | 2 | 3 |
| 2011 | 4 | 1 |
| 2012 | 2 | 5 |
| 2013 | 4 | 4 |
| 2014 | 3 | 5 |
| 2015 | 4 | 1 |
| 2016 | 3 | 5 |
| 2017 | 2 | 7 |
| 2018 | 9 | 6 |
| 2019 | 3 | 4 |
| 2020 | 8 | 9 |
| 2021 | 6 | 3 |
| 2022 | 5 | 2 |
| 2023 | 2 | 2 |
| 2024 | 4 | 4 |
| 2025 | 0 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High pressure common rail system failure detection25 Aug 2026US 12,716,396 B2Progress Rail Locomotive Inc.
- Methods for measuring fuel quantity during multipulse fuel injection events in a common rail fuel system19 Nov 2024US 12,146,451 B2Cummins Inc.
- Methods and systems for determining effective steady state flow rate for fuel injectors17 Sep 2024US 12,092,062 B2Cummins Inc.
- Onboard diagnosis and compensation for tip wear in fuel injector28 May 2024US 11,994,083 B2Caterpillar Inc.
- System and method for determining and adjusting fuel injection control parameters5 Mar 2024US 11,920,537 B2Cummins Inc.
- Fuel leakage diagnostic and fuel system diagnostic management apparatuses, methods, and systems1 Oct 2026US 2026/0298171 A1Cummins-Scania HPCR System, LLC
- Fuel pump diagnostic apparatuses, methods, and systems13 Aug 2026US 2026/0235098 A1Cummins Inc.
- Method, computing unit and computer program for ascertaining a wear state of at least one fuel injector29 May 2025US 2025/0172114 A1
- High pressure common rail system failure detection17 Apr 2025US 2025/0122855 A1Progress Rail Locomotive Inc.
- Method for testing a fuel injector for an internal combustion engine19 Dec 2024US 2024/0418139 A1Volvo Truck Corporation
Most cited
By later US patents
- Method and apparatus for analyzing performance of a hydraulic pump66US 7,013,223 B1The Board of Trustees of the University of Illinois · 2006
- Transducer with a flexible sensor element for measurement of mechanical values61US 4,413,202 A1983
- Monoaxially oriented piezoelectric polymer transducer for measurement of mechanical values on bodies57US 4,216,403 A1980
- Transducer for detecting pressure changes in pipes55US 5,031,460 ADaikin Industries, Ltd. · 1991
- Intake manifold pressure compensation for the closed-loop pressure regulation of a fuel pump38US 5,133,323 ASiemens Automotive Corporation · 1992