F02D 2041/2044
Using pre-magnetisation or post-magnetisation of the coils
Official title: {using pre-magnetisation or post-magnetisation of the coils}
F02D2041/2044 (Using pre-magnetisation or post-magnetisation of the coils) appears on 85 US grants and 76 published applications in this corpus.
Search patents in F02D- Granted patents
- 85
- Published applications
- 76
- Assignees
- 50
- Inventors
- 185
- Latest grant
- 21 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 3 |
| 2006 | 4 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 2 | 8 |
| 2010 | 4 | 2 |
| 2011 | 0 | 1 |
| 2012 | 3 | 5 |
| 2013 | 3 | 0 |
| 2014 | 2 | 5 |
| 2015 | 2 | 8 |
| 2016 | 7 | 3 |
| 2017 | 5 | 8 |
| 2018 | 4 | 4 |
| 2019 | 10 | 9 |
| 2020 | 6 | 5 |
| 2021 | 11 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method to estimate the temperature of an electromagnetic actuator21 Mar 2023US 11,608,794 B2Marelli Europe S.P.A.
- Injector control unit1 Nov 2022US 11,486,325 B2Hitachi Astemo, Ltd.
- Electromagnetic valve driving device20 Sep 2022US 11,448,174 B2Hitachi Astemo, Ltd.
- Fuel injection control apparatus and method for improving deviation of injector opening time14 Dec 2021US 11,199,153 B2Hyundai Motor Company
- Fuel injection control device and fuel injection control method19 Oct 2021US 11,149,598 B2Denso Corporation
- Method To Estimate The Temperature Of An Electromagnetic Actuator1 Dec 2022US 2022/0381195 A1Marelli Europe S.P.A.
- Electromagnetic valve driving device31 Mar 2022US 2022/0099059 A1Hitachi Astemo, Ltd.
- Injector Control Unit7 Oct 2021US 2021/0310436 A1Hitachi Automotive Systems, Ltd.
- Fuel injection control apparatus and method for improving deviation of injector opening time19 Aug 2021US 2021/0254576 A1Hyundai Motor Company
- Electronic control device4 Jun 2020US 2020/0173389 A1Hitachi Automotive Systems, Ltd.
Most cited
By later US patents
- Fuel delivery system of an internal combustion engine46US 6,253,734 B1Robert Bosch GmbH · 2001
- Automatic stop/restart device of vehicle engine30US 6,434,475 B1Nissan Motor Co., Ltd. · 2002
- Engine restart apparatus and method27US 7,218,010 B2General Motors Corporation · 2007
- Circuitry for controlling the response time of electromagnetic devices with a solenoid23US 3,982,505 ARegie Nationale des Usines Renault · 1976
- Method and device for starting an internal combustion engine20US 7,134,414 B2Robert Bosch GmbH · 2006