F02M 7/04
Means for enriching charge at high combustion-air flow
F02M7/04 (Means for enriching charge at high combustion-air flow) appears on 10 US grants and 2 published applications in this corpus.
Search patents in F02M- Granted patents
- 10
- Published applications
- 2
- Assignees
- 8
- Inventors
- 23
- Latest grant
- 7 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Engine speed control system7 Sep 2021US 11,111,861 B2Briggs & Stratton Corporation
- Control of exhaust gas stoichiometry with inducted secondary air flow15 May 2007US 7,216,638 B1Brunswick Corporation
- Dual fuel feed system carburetor7 Mar 2006US 7,007,930 B1Walbro Engine Management, L. L.C.
- Boost fuel enricher7 Sep 2004US 6,786,208 B1
- Carburetor having bidirectional fuel passage23 Oct 1990US 4,965,023 A
Most cited
By later US patents
- Supplying fuel to internal combustion engines9US 4,052,488 A1977
- Air fuel ratio control system for an internal combustion engine with improved operations for maintaining the engine output power8US 4,665,883 AHonda Giken Kogyo Kabushiki Kaisha · 1987
- Carburetor for internal combustion engine7US 4,382,047 AOutboard Marine Corporation · 1983
- Control of exhaust gas stoichiometry with inducted secondary air flow5US 7,216,638 B1Brunswick Corporation · 2007
- Carburettor enriching device4US 4,045,521 AAutomobiles Peugeot · 1977