F02M 3/09
Valves responsive to engine conditions
Official title: Valves responsive to engine conditions, e.g. manifold vacuum (carburettors with means for facilitating engine's idling below operational temperatures F02M1/00)
F02M3/09 (Valves responsive to engine conditions) appears on 131 US grants and 12 published applications in this corpus.
Search patents in F02M- Granted patents
- 131
- Published applications
- 12
- Assignees
- 53
- Inventors
- 213
- Latest grant
- 29 Sep 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 16 | 0 |
| 1979 | 8 | 0 |
| 1980 | 12 | 0 |
| 1981 | 11 | 0 |
| 1982 | 14 | 0 |
| 1983 | 11 | 0 |
| 1984 | 10 | 0 |
| 1985 | 8 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 3 | 0 |
| 2005 | 1 | 2 |
| 2006 | 4 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Idle air control valve with plastic housing and retention features29 Sep 2015US 9,144,936 B2Continental Automotive Systems, Inc.
- Proportional flow venturi vacuum system for an internal combustion engine25 Aug 2015US 9,115,677 B2GM Global Technology Operations LLC
- Engine speed control device and engine speed control method19 May 2015US 9,037,385 B2Mitsubishi Heavy Industries, Ltd.
- Air bypass apparatus in fuel injection apparatus19 Oct 2010US 7,814,884 B2Keihin Corporation
- Carburetor and solenoid assemblies and methods of assembling the same4 Sep 2007US 7,264,230 B2Walbro Engine Management, L. L.C.
- Proportional flow venturi vacuum system for an internal combustion engine30 Apr 2015US 2015/0114321 A1GM Global Technology Operations LLC
- Idle Air Control Valve With Plastic Housing And Retention Features26 Mar 2015US 2015/0083322 A1Continental Automotive Systems, Inc.
- Idle Air Control Valve with Plastic Housing and Retention Features2 May 2013US 2013/0104842 A1Continental Automotive Systems, Inc.
- Engine speed control device and engine speed control method28 Jun 2012US 2012/0160211 A1Mitsubishi Heavy Industries, Ltd.
- Idle speed adjustment system23 Jul 2009US 2009/0183712 A1
Most cited
By later US patents
- Air/fuel ratio control for an internal combustion engine using an exhaust gas sensor70US 4,252,098 AChrysler Corporation · 1981
- Adapter means for creating an open loop manually adjustable apparatus and system for selectively controlling the air-fuel ratio supplied to a combustion engine54US 4,556,032 AColt Industries Operating Corp. · 1985
- Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine46US 4,224,908 AColt Industries Operating Corp. · 1980
- Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine45US 4,294,282 AColt Industries Operating Corp. · 1981
- Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine44US 4,434,762 AColt Industries Operating Corp. · 1984