F02M 71/04
Combinations of carburettors and low-pressure fuel-injection apparatus: with carburettor being used at
Official title: with carburettor being used at starting or idling only and injection apparatus being used during normal operation of engine {or vice versa}
F02M71/04 (Combinations of carburettors and low-pressure fuel-injection apparatus: with carburettor being used at) appears on 12 US grants and 2 published applications in this corpus.
Search patents in F02M- Granted patents
- 12
- Published applications
- 2
- Assignees
- 10
- Inventors
- 20
- Latest grant
- 25 Mar 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Two-stroke internal combustion engine25 Mar 2014US 8,677,954 B2Husqvarna AB
- Fuel controlling apparatus for internal combustion engine14 Jan 2003US 6,505,583 B2Kawasaki Jukogyo Kabushiki Kaisha
- Method for forming a fuel-air mixture and fuel supply device for an internal combustion engine27 Jan 1998US 5,711,282 ARobert Bosch GmbH
- Fuel/air supply system for a fuel injector and methods of operation16 Sep 1997US 5,666,927 ASiemens Automotive Corporation
- Auxiliary carburetion device in direct fuel injection engines31 Oct 1995US 5,462,024 APiaggio Veicoli Europei S.p.A.
Most cited
By later US patents
- Fuel injection system and method for internal combustion engine24US 4,157,084 A1979
- Auxiliary fuel supply system24US 4,777,913 ABrunswick Corporation · 1988
- Method for forming a fuel-air mixture and fuel supply device for an internal combustion engine14US 5,711,282 ARobert Bosch GmbH · 1998
- Air-fuel-mixture forming device for spark ignition internal combustion engines10US 4,327,691 A1982
- Carburetor for a multicylinder internal combustion engine and method of operation thereof10US 4,346,682 ABayerische Motoren Werke Aktiengesellschaft · 1982