F02M 17/14
Carburettors with fuel-supply parts opened and closed in synchronism with engine stroke
Official title: Carburettors with fuel-supply parts opened and closed in synchronism with engine stroke {; Valve carburettors}
F02M17/14 (Carburettors with fuel-supply parts opened and closed in synchronism with engine stroke) appears on 12 US grants and 10 published applications in this corpus.
Search patents in F02M- Granted patents
- 12
- Published applications
- 10
- Assignees
- 12
- Inventors
- 20
- Latest grant
- 26 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 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 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Layered diaphragm26 May 2020US 10,662,899 B2Walbro Corporation
- Check valve28 Apr 2020US 10,634,096 B2Zama Japan Kabushiki Kaisha
- Check valve11 Sep 2018US 10,072,616 B2Zama Japan Kabushiki Kaisha
- Check valve22 Aug 2017US 9,739,236 B2Zama Japan Kabushiki Kaisha
- Fuel control method for hand-carried engine-driven working machine25 Aug 2015US 9,115,670 B2Iida Denki Kogyo Co., Ltd.
- Check valve10 Dec 2020US 2020/0386191 A1Zama Japan Kabushiki Kaisha
- Check valve9 May 2019US 2019/0136798 A1Zama Japan Kabushiki Kaisha
- Layered diaphragm21 Feb 2019US 2019/0055903 A1Walbro Corporation
- Check valve1 Mar 2018US 2018/0058379 A1Zama Japan Kabushiki Kaisha
- Four-stroke Engine3 Mar 2016US 2016/0061070 A1Taizhou Qinglong Machinery & Electric Co., Ltd.
Most cited
By later US patents
- Cylinder-induction responsive electronic fuel feed control carburetors24US 3,931,814 AAutomobiles Peugeot · 1976
- Pulse-jet atomizer mechanism for sprinkling chemicals2US 5,287,696 A1994
- Fuel amount control2US 5,732,682 AAktiebolaget Electrolux · 1998
- Fuel control method for hand-carried engine-driven working machine2US 9,115,670 B2Iida Denki Kogyo Co., Ltd. · 2015
- Layered diaphragm1US 10,662,899 B2Walbro Corporation · 2020