F02M 11/02
Multi-stage carburettors, register-type carburettors, i.e. with slidable or rotatable throttling valves in
Official title: with throttling valve, e.g. of flap or butterfly type, in a later stage opening automatically
F02M11/02 (Multi-stage carburettors, register-type carburettors, i.e. with slidable or rotatable throttling valves in) appears on 97 US grants and 13 published applications in this corpus.
Search patents in F02M- Granted patents
- 97
- Published applications
- 13
- Assignees
- 41
- Inventors
- 144
- Latest grant
- 11 Jan 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 9 | 0 |
| 1984 | 14 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 4 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Surge relief valve11 Jan 2022US 11,221,083 B2DeZURIK, Inc.
- Low pressure fuel injection system for a multi-cylinder light-duty internal combustion engine18 May 2021US 11,008,951 B2Walbro Corporation
- Carburetor for gaseous fuels5 Feb 2019US 10,197,012 B2BIGAS INTERNATIONAL AUTOGAS SYSTEMS S.r.l.
- Carburetor for stratified scavenging two-stroke engine27 Feb 2018US 9,903,314 B2Yamabiko Corporation
- Single barrel carburetor18 Jul 2017US 9,709,004 B2
- Low pressure fuel injection system for a multi-cylinder light-duty internal combustion engine6 Aug 2020US 2020/0248635 A1Walbro Corporation
- Surge relief valve31 Jan 2019US 2019/0032804 A1DeZURIK, Inc.
- Carburetor for gaseous fuels31 Aug 2017US 2017/0248102 A1BIGAS INTERNATIONAL AUTOGAS SYSTEMS S.r.l.
- Carburetor31 Mar 2016US 2016/0090942 A1Keihin Corporation
- Carburetor For Stratified Scavenging Two-Stroke Engine26 Nov 2015US 2015/0337764 A1Yamabiko Corporation
Most cited
By later US patents
- Carburetor with a replaceable venturi sleeves51US 5,863,470 A1999
- Dual barrel carburetor for motorcycles47US 6,481,698 B1Holley Performance Products, Inc. · 2002
- Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine44US 4,434,762 AColt Industries Operating Corp. · 1984
- Carburetor42US 4,357,283 AColt Industries Operating Corp. · 1982
- Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine41US 4,434,763 AColt Industries Operating Corp. · 1984