F02P 7/073
Optical pick-up devices
F02P7/073 (Optical pick-up devices) appears on 87 US grants and 9 published applications in this corpus.
Search patents in F02P- Granted patents
- 87
- Published applications
- 9
- Assignees
- 35
- Inventors
- 119
- Latest grant
- 3 Oct 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 11 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for controlling an internal combustion engine and ignition control device for such a method3 Oct 2017US 9,777,696 B2BorgWarner Ludwigsburg GmbH
- Engine with laser ignition and measurement22 Dec 2015US 9,217,638 B2Ford Global Technologies, LLC
- Rotational sensor and controller16 Sep 2014US 8,838,367 B1McAlister Technologies, LLC
- Starting device for internal combustion engines and method therefor7 Jul 2009US 7,556,020 B2Dolmar GmbH
- Optically triggered electronic distributor for an internal combustion engine11 Sep 2007US 7,267,105 B1Crane Cams Incorporated
- Method for controlling an internal combustion engine and ignition control device for such a method21 Jan 2016US 2016/0017858 A1BorgWarner Ludwigsburg GmbH
- Rotational sensor and controller12 Mar 2015US 2015/0073681 A1McAlister Technologies, LLC
- Rotational sensor and controller18 Sep 2014US 2014/0278015 A1McAlister Technologies, LLC
- Engine with laser ignition and measurement29 May 2014US 2014/0149019 A1Ford Global Technologies, LLC
- Method and system for engine position control29 May 2014US 2014/0149023 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Electronic position sensor assembly and engine control system39US 4,941,445 AMotorola, Inc. · 1990
- Cylinder identifying apparatus for a multi-cylinder internal combustion engine with misfire detection34US 5,563,515 AMitsubishi Denki Kabushiki Kaisha · 1996
- Optical shaft position and speed sensor32US 4,866,269 AGeneral Motors Corporation · 1989
- Crank angle detecting system for engines31US 4,656,993 ANissan Motor Co., Ltd. · 1987
- Electronic distribution and control device for the ignition of internal combustion engines, particularly for motor vehicles24US 4,112,895 ADucellier et Cie · 1978