F02M 65/005
Measuring or detecting injection-valve lift
Official title: {Measuring or detecting injection-valve lift, e.g. to determine injection timing}
F02M65/005 (Measuring or detecting injection-valve lift) appears on 153 US grants and 89 published applications in this corpus.
Search patents in F02M- Granted patents
- 153
- Published applications
- 89
- Assignees
- 66
- Inventors
- 357
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
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| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 4 |
| 2004 | 2 | 3 |
| 2005 | 3 | 3 |
| 2006 | 1 | 3 |
| 2007 | 4 | 4 |
| 2008 | 5 | 4 |
| 2009 | 3 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 7 |
| 2014 | 1 | 7 |
| 2015 | 5 | 5 |
| 2016 | 5 | 6 |
| 2017 | 4 | 7 |
| 2018 | 10 | 11 |
| 2019 | 11 | 4 |
| 2020 | 4 | 5 |
| 2021 | 5 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 4 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve arrival time detection in fuel system having dual solenoid operated valves3 Mar 2026US 12,565,870 B2Caterpillar Inc.
- Method for recognizing an error in a sensor signal during operation of a fuel injector15 Apr 2025US 12,276,569 B2Robert Bosch GmbH
- Device for detecting the state of a fuel injector20 Aug 2024US 12,065,981 B2Liebherr-Components Deggendorf GmbH
- Method, program product and computer for estimating the static flow rate of a piezoelectric injector26 Mar 2024US 11,939,932 B2Vitesco Technologies GmbH
- Injection control device21 Feb 2023US 11,585,306 B2Denso Corporation
- Valve arrival time detection in fuel system having dual solenoid operated valves16 Jan 2025US 2025/0020095 A1Caterpillar Inc.
- Method, program product and computer for estimating the static flow rate of a piezoelectric injector7 Sep 2023US 2023/0279821 A1Vitesco Technologies GmbH
- Device for detecting the state of a fuel injector25 May 2023US 2023/0160353 A1Liebherr-Components Deggendorf GmbH
- Needle stroke switch and fuel injector having such a needle stroke switch11 May 2023US 2023/0146257 A1Liebherr-Components Deggendorf GmbH
- Method for recognizing an error in a sensor signal during operation of a fuel injector6 Apr 2023US 2023/0107124 A1Robert Bosch GmbH
Most cited
By later US patents
- Position sensor for fuel injection apparatus73US 4,614,111 A1986
- Fluid control valves65US 4,183,467 ALucas Industries Limited · 1980
- Fuel injector nozzle assembly with feedback control59US 6,253,736 B1Cummins Engine Company, Inc. · 2001
- Electronic fuel injection control system for fuel injection valves50US 4,359,032 ADiesel Kiki Co., Ltd. · 1982
- Atomizing nozzle device for atomizing a fluid and an inhaler46US 5,193,745 A1993