F02M 7/08
Using pumps
Official title: using pumps
F02M7/08 (Using pumps) appears on 117 US grants and 29 published applications in this corpus.
Search patents in F02M- Granted patents
- 117
- Published applications
- 29
- Assignees
- 53
- Inventors
- 186
- Latest grant
- 19 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 4 |
| 2003 | 1 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 3 | 4 |
| 2008 | 2 | 2 |
| 2009 | 3 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 3 |
| 2016 | 2 | 1 |
| 2017 | 3 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fuel supply device19 Jul 2022US 11,391,248 B2Andreas Stihl AG & CO.KG
- Primary pump and carburetor using the same1 Feb 2022US 11,236,704 B2Zama Japan Kabushiki Kaisha
- Impulse pump16 Apr 2019US 10,260,457 B2Walbro Corporation
- Carburetor supplemental fuel supply13 Jun 2017US 9,677,506 B2Walbro Corporation
- Carburetor with low flow rate fluid passage21 Mar 2017US 9,599,066 B2Walbro Corporation
- Fuel Supply Device1 Apr 2021US 2021/0095619 A1Andreas Stihl AG & CO.KG
- Primary pump and carburetor using the same4 Feb 2021US 2021/0033045 A1Zama Japan Kabushiki Kaisha
- Impulse pump2 Nov 2017US 2017/0314510 A1Walbro Corporation
- Fuel bowl for carburetor system and associated methods18 Feb 2016US 2016/0047336 A1Tajm LLC
- Carburetor with low flow rate fluid passage3 Sep 2015US 2015/0247476 A1Walbro Corporation
Most cited
By later US patents
- Dual barrel carburetor for motorcycles47US 6,481,698 B1Holley Performance Products, Inc. · 2002
- Carburetor having temperature-compensated purge/primer31US 5,711,901 AWalbro Corporation · 1998
- Carburetor accelerating fuel circuit means29US 4,075,294 A1978
- Membrane carburetor27US 6,595,500 B2Andreas Stihl AG & CO.KG · 2003
- Fuel efficient, low pollution carburetor and methods25US 4,515,734 A1985