F02D 41/2096
For controlling piezoelectric injectors
Official title: {for controlling piezoelectric injectors (drive and control circuit for piezoelectric devices in general H10N30/802)}
F02D41/2096 (For controlling piezoelectric injectors) appears on 397 US grants and 348 published applications in this corpus.
Search patents in F02D- Granted patents
- 397
- Published applications
- 348
- Assignees
- 87
- Inventors
- 590
- Latest grant
- 26 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 14 | 0 |
| 2001 | 11 | 13 |
| 2002 | 17 | 18 |
| 2003 | 17 | 14 |
| 2004 | 21 | 18 |
| 2005 | 18 | 22 |
| 2006 | 13 | 14 |
| 2007 | 9 | 25 |
| 2008 | 19 | 38 |
| 2009 | 20 | 26 |
| 2010 | 28 | 26 |
| 2011 | 13 | 22 |
| 2012 | 15 | 11 |
| 2013 | 14 | 15 |
| 2014 | 12 | 16 |
| 2015 | 11 | 19 |
| 2016 | 15 | 12 |
| 2017 | 20 | 5 |
| 2018 | 10 | 12 |
| 2019 | 9 | 15 |
| 2020 | 10 | 0 |
| 2021 | 7 | 3 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method, program product and computer for estimating the static flow rate of a piezoelectric injector26 Mar 2024US 11,939,932 B2Vitesco Technologies GmbH
- Method for operating an internal combustion engine30 Jan 2024US 11,885,256 B2Man Truck & Bus AG
- Systems and methods for fuel injector control9 Jan 2024US 11,867,142 B2Transportation IP Holdings, LLC
- Control for a piezo-electric injector when a foot is raised from the accelerator28 Nov 2023US 11,828,245 B2Vitesco Technologies GmbH
- Injector, and device for detecting the condition of such an injector17 Jan 2023US 11,555,464 B2Liebherr-Components Deggendorf GmbH
- Method, program product and computer for estimating the static flow rate of a piezoelectric injector7 Sep 2023US 2023/0279821 A1Vitesco Technologies GmbH
- Control for a piezo-electric injector when a foot is raised from the accelerator30 Mar 2023US 2023/0098221 A1Vitesco Technologies GmbH
- Method for operating an internal combustion engine29 Sep 2022US 2022/0307412 A1Man Truck & Bus AG
- Determining a drift in the fuel static flow rate of a piezoelectric injector of a motor vehicle heat engine28 Apr 2022US 2022/0128015 A1Vitesco Technologies GmbH
- Systems and methods for fuel injector control25 Nov 2021US 2021/0363952 A1Transportation IP Holdings, LLC
Most cited
By later US patents
- Method for operating a piezoelectric element327US 8,089,197 B2Epcos AG · 2012
- Apparatus for driving a piezoelectric actuator60US 5,130,598 ACaterpillar Inc. · 1992
- Solenoid valve, in particular for fuel-injection pumps55US 5,109,885 ARobert Bosch GmbH · 1992
- Piezoelectric fuel injection system with rate shape control and method of controlling same53US 6,912,998 B1Cummins Inc. · 2005
- Method and apparatus for driving capacitive-type load50US 4,767,959 ANippon Soken, Inc. · 1988