F02M 9/08
Carburettors having air or fuel-air mixture passage throttling valves other than of
Official title: having throttling valves rotatably mounted in the passage
F02M9/08 (Carburettors having air or fuel-air mixture passage throttling valves other than of) appears on 107 US grants and 79 published applications in this corpus.
Search patents in F02M- Granted patents
- 107
- Published applications
- 79
- Assignees
- 32
- Inventors
- 154
- Latest grant
- 30 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 0 |
| 2003 | 3 | 3 |
| 2004 | 1 | 3 |
| 2005 | 0 | 3 |
| 2006 | 5 | 6 |
| 2007 | 7 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 4 |
| 2015 | 2 | 7 |
| 2016 | 2 | 3 |
| 2017 | 5 | 8 |
| 2018 | 9 | 7 |
| 2019 | 5 | 6 |
| 2020 | 5 | 7 |
| 2021 | 8 | 6 |
| 2022 | 4 | 4 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Low pressure fuel injection system for a combustion engine30 Jan 2024US 11,885,291 B2Walbro Corporation
- Rotary type carburetor for stratefied scavenging engine28 Mar 2023US 11,614,054 B2Zama Japan Kabushiki Kaisha
- Fuel and air charge forming device14 Feb 2023US 11,578,688 B2Walbro Corporation
- Charge forming device with electrically actuated vapor separator vent valve3 May 2022US 11,319,900 B2Walbro Corporation
- Fuel nozzle for a rotary throttle valve carburetor3 May 2022US 11,319,901 B2Walbro Corporation
- Rotary type carburetor for stratefied scavenging engine14 Sep 2023US 2023/0287849 A1Zama Japan Kabushiki Kaisha
- Low pressure fuel injection system for a combustion engine14 Jul 2022US 2022/0220927 A1Walbro Corporation
- Fuel and air charge forming device31 Mar 2022US 2022/0099060 A1Walbro Corporation
- Fuel supply device27 Jan 2022US 2022/0025836 A1Andreas Stihl AG & CO.KG
- Rotary carburetor20 Jan 2022US 2022/0018315 A1Zama Japan Kabushiki Kaisha
Most cited
By later US patents
- Fuel regulating mechanism and method for a rotary throttle valve type carburetor35US 6,585,235 B2Walbro Corporation · 2003
- Construction of a fuel supply pipe in a rotary throttle valve type carburetor31US 5,599,484 AWalbro Japan, Inc. · 1997
- Fuel regulating mechanism for a rotary throttle valve type carburetor28US 5,709,822 AWalbro Corporation · 1998
- Auxiliary fuel supply device for internal combustion engines25US 4,335,061 AWalbro Far East, Inc. · 1982
- Rotary throttle valve carburetor23US 4,481,152 AWalbro Far East, Inc. · 1984