F01L 1/044
Reciprocating cams
Official title: {Reciprocating cams}
F01L1/044 (Reciprocating cams) appears on 5 US grants and 3 published applications in this corpus.
Search patents in F01L- Granted patents
- 5
- Published applications
- 3
- Assignees
- 3
- Inventors
- 7
- Latest grant
- 30 Sep 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Variable valve apparatus for internal combustion engine30 Sep 2014US 8,844,481 B2Hitachi Automotive Systems, Ltd.
- Method for calibration of a positional sensor on a rotational actuator device for control of a gas exchange valve in an internal combustion engine3 Jun 2008US 7,380,433 B2Bayerische Motoren Werke Aktiengesellschaft
- Variable valve timing mechanism7 Nov 1995US 5,463,987 A
- Engine valve driving device7 Jan 1992US 5,078,102 A
- Variable valve timing for four-stroke engines25 Feb 1986US 4,572,118 A
- Variable valve apparatus for internal combustion engine22 Aug 2013US 2013/0213329 A1Hitachi Automotive Systems, Ltd.
- Electrohydraulic valve actuator with reciprocating cam28 Mar 2013US 2013/0074790 A1
- Method for calibration of a positional sensor on a rotational actuator device for control of a gas exchange valve in an internal combustion engine6 Sep 2007US 2007/0208487 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Variable valve timing for four-stroke engines57US 4,572,118 A1986
- Engine valve driving device4US 5,078,102 A1992
- Variable valve timing mechanism4US 5,463,987 A1995
- Method for calibration of a positional sensor on a rotational actuator device for control of a gas exchange valve in an internal combustion engine4US 7,380,433 B2Bayerische Motoren Werke Aktiengesellschaft · 2008