F02M 19/021
The cross-sectional area being changed mechanically
Official title: {the cross-sectional area being changed mechanically}
F02M19/021 (The cross-sectional area being changed mechanically) appears on 19 US grants and 6 published applications in this corpus.
Search patents in F02M- Granted patents
- 19
- Published applications
- 6
- Assignees
- 11
- Inventors
- 29
- Latest grant
- 19 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel supply device19 Jul 2022US 11,391,248 B2Andreas Stihl AG & CO.KG
- Flow control valve for charge forming device19 Jan 2021US 10,895,222 B2Walbro Corporation
- Accelerator device for a carburetor8 Mar 2016US 9,279,390 B2Walbro Engine Management, L. L.C.
- Plunger lifting mechanism of a rotary-valve gas carburetor6 Oct 2015US 9,151,247 B2
- Rotary carburetor17 Dec 2013US 8,608,137 B2Zama Japan Kabushiki Kaisha
- Fuel Supply Device1 Apr 2021US 2021/0095619 A1Andreas Stihl AG & CO.KG
- Rotary throttle valve and carburetor30 Jan 2020US 2020/0032742 A1Walbro Corporation
- Flow control valve for charge forming device28 Nov 2019US 2019/0360432 A1Walbro Corporation
- Accelerator device for a carburetor16 Oct 2014US 2014/0306358 A1Walbro Engine Management, L. L.C.
- Plunger lifting mechanism of a rotary-valve gas carburetor18 Sep 2014US 2014/0264964 A1
Most cited
By later US patents
- Gas-air mixer30US 4,991,561 AN I S pri VTU "Angel Kantschev" · 1991
- Fluid flow regulating valve24US 5,249,773 AKohler Co. · 1993
- Carburetor fuel adjusting device14US 5,772,927 AU.S.A. Zama, Inc. · 1998
- Carburetor-adjusting accessory harness for personal jet-propelled watercraft13US 5,256,092 A1993
- Carburetor fuel adjusting device9US 5,961,896 AU.S.A. Zama, Inc. · 1999