F02P 5/1553
By determination of elapsed angle with reference to a particular point on
Official title: {by determination of elapsed angle with reference to a particular point on the motor axle, dependent on specific conditions}
F02P5/1553 (By determination of elapsed angle with reference to a particular point on) appears on 168 US grants and 12 published applications in this corpus.
Search patents in F02P- Granted patents
- 168
- Published applications
- 12
- Assignees
- 73
- Inventors
- 229
- Latest grant
- 3 Apr 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 20 | 0 |
| 1979 | 16 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 14 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 3 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 3 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Ignition system3 Apr 2018US 9,932,935 B2PRUEFREX engineering e motion GmbH & Co. KG
- Engine ignition control device25 Feb 2014US 8,656,882 B2Kokusan Denki Co., Ltd.
- Control system for internal combustion engine22 Feb 2011US 7,891,335 B2Honda Motor Co., Ltd.
- Engine rotation speed controller for working machine20 Jul 2010US 7,757,661 B2Honda Motor Co., Ltd.
- Ignition control system for internal combustion engine13 Jul 2010US 7,753,026 B2Toyota Jidosha Kabushiki Kaisha
- Ignition system10 Sep 2015US 2015/0252754 A1PRUEFREX engineering e motion GmbH & Co. KG
- Method and apparatus for controlling an internal combustion engine of a motor vehicle16 Apr 2015US 2015/0105991 A1Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Engine ignition control device22 Nov 2012US 2012/0291764 A1Kokusan Denki Co., Lytd.
- Ignition control system for internal combustion engine11 Feb 2010US 2010/0031922 A1Toyota Jidosha Kabushiki Kaisha
- Control system for internal combustion engine10 Dec 2009US 2009/0306876 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- High resolution electronic ignition control system40US 4,494,509 AElectromotive, Inc. · 1985
- An engine ignition control circuit having a failsafe for a crank angle sensor32US 4,485,784 AHonda Giken Kogyo Kabushiki Kaisha · 1984
- Engine control system28US 4,104,998 AChrysler Corporation · 1978
- Engine operation control system27US 5,722,370 ASanshin Kogyo Kabushiki Kaisha · 1998
- Low speed limiter unit for internal combustion engine ignition systems26US 4,244,336 ABrunswick Corporation · 1981