F02M 69/40
Using variably controlled air pressure
Official title: using variably controlled air pressure, e.g. by modifying the intake air vacuum signal acting on the fuel metering device
F02M69/40 (Using variably controlled air pressure) appears on 19 US grants and 1 published applications in this corpus.
Search patents in F02M- Granted patents
- 19
- Published applications
- 1
- Assignees
- 11
- Inventors
- 33
- Latest grant
- 14 Jan 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Induction and fuel delivery system for piston engine14 Jan 2014US 8,627,799 B2
- Carburetor2 Jun 1987US 4,670,194 A
- Temperature compensated fuel injection system for internal combustion engines11 Jun 1985US 4,522,177 ANippon Soken, Inc.
- Engine air flow responsive control16 Nov 1982US 4,359,031 AGeneral Motors Corporation
- Electromagnetically actuated pumps10 Aug 1982US 4,343,275 AHolec N.V.
Most cited
By later US patents
- Temperature compensated fuel injection system for internal combustion engines23US 4,522,177 ANippon Soken, Inc. · 1985
- Supplementary air valve for a fuel supply apparatus11US 4,197,823 ARobert Bosch GmbH · 1980
- Electromagnetically actuated pumps10US 4,022,174 AHolec N.V. · 1977
- Fuel injection systems for internal combustion engines9US 4,050,431 ATecalemit GmbH & Co. KG · 1977
- Fuel supply devices for internal combustion engines7US 4,046,121 ASociete Industrielle de Brevets et d'Etudes S.I.B.E. · 1977