F02D 2041/2041
For controlling the current in the free-wheeling phase
Official title: {for controlling the current in the free-wheeling phase}
F02D2041/2041 (For controlling the current in the free-wheeling phase) appears on 66 US grants and 32 published applications in this corpus.
Search patents in F02D- Granted patents
- 66
- Published applications
- 32
- Assignees
- 34
- Inventors
- 125
- Latest grant
- 15 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 3 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 4 |
| 2016 | 2 | 2 |
| 2017 | 3 | 1 |
| 2018 | 1 | 4 |
| 2019 | 2 | 3 |
| 2020 | 4 | 2 |
| 2021 | 5 | 4 |
| 2022 | 9 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Valve timing detection in fuel system using off cycle sweep15 Oct 2024US 12,116,941 B1Caterpillar Inc.
- Fuel injector variability reduction24 Oct 2023US 11,795,887 B1Caterpillar Inc.
- Fuel injection valve driving device11 Oct 2022US 11,466,650 B2Hitachi Astemo, Ltd.
- Injection control device27 Sep 2022US 11,454,185 B2Denso Corporation
- Methods and systems for improving fuel injection20 Sep 2022US 11,448,151 B1Ford Global Technologies, LLC
- Methods and systems for improving fuel injection22 Sep 2022US 2022/0298987 A1Ford Global Technologies, LLC
- Injection control device2 Dec 2021US 2021/0372340 A1Denso Corporation
- Injection control device24 Jun 2021US 2021/0189986 A1Denso Corporation
- Injection control device24 Jun 2021US 2021/0189987 A1Denso Corporation
- Injection control device24 Jun 2021US 2021/0189988 A1Denso Corporation
Most cited
By later US patents
- Solenoid driver control circuit with initial boost voltage87US 4,729,056 AMotorola, Inc. · 1988
- Fuel injection valve drive control apparatus64US 5,574,617 AHonda Giken Kogyo Kabushiki Kaisha · 1996
- Apparatus for controlling the operating current of electromagnetic devices36US 4,180,026 ARobert Bosch GmbH · 1979
- Switching type driver circuit for fuel injector35US 4,479,161 AThe Bendix Corporation · 1984
- Electronic fuel injector driver circuit35US 4,631,628 AChrysler Motors Corporation · 1986