F02M 9/02
Carburettors having air or fuel-air mixture passage throttling valves other than of
Official title: having throttling valves, e.g. of piston shape, slidably arranged transversely to the passage
F02M9/02 (Carburettors having air or fuel-air mixture passage throttling valves other than of) appears on 103 US grants and 47 published applications in this corpus.
Search patents in F02M- Granted patents
- 103
- Published applications
- 47
- Assignees
- 44
- Inventors
- 158
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 5 |
| 2002 | 6 | 4 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 3 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 0 |
| 2009 | 3 | 3 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 3 | 3 |
| 2016 | 1 | 3 |
| 2017 | 3 | 1 |
| 2018 | 2 | 3 |
| 2019 | 1 | 2 |
| 2020 | 1 | 3 |
| 2021 | 3 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Easy engine starting system17 Mar 2026US 12,577,929 B2Oppama Industry Co., Ltd.
- Throttle plate28 Feb 2023US 11,591,988 B2Vitesco Technologies USA, LLC
- Fuel nozzle for a rotary throttle valve carburetor3 May 2022US 11,319,901 B2Walbro Corporation
- Carburetor including a manual fuel control device28 Sep 2021US 11,131,272 B2Yamabiko Corporation
- Low pressure fuel injection system for a multi-cylinder light-duty internal combustion engine18 May 2021US 11,008,951 B2Walbro Corporation
- Easy engine starting system8 Feb 2024US 2024/0044309 A1Oppama Industry Co., Ltd.
- Rotary vaporizer28 Oct 2021US 2021/0332776 A1Zama Japan Kabushiki Kaisha
- Throttle plate16 Sep 2021US 2021/0285405 A1Vitesco Technologies USA, LLC
- Fuel nozzle for a rotary throttle valve carburetor11 Mar 2021US 2021/0071622 A1Walbro Corporation
- Diaphragm carburetor15 Oct 2020US 2020/0325853 A1Zama Japan Kabushiki Kaisha
Most cited
By later US patents
- Fuel regulating mechanism for a rotary throttle valve type carburetor28US 5,709,822 AWalbro Corporation · 1998
- Variable venturi nozzle-matrix carburetor add methods for intermixing fuel and air27US 4,044,077 AMatrix Corporation · 1977
- Fuel delivery means for carburetors for internal combustion engines and method for installing same26US 5,386,145 A1995
- Carburetor22US 4,013,741 ALectron Products, Inc. · 1977
- Carburetor air intake velocity stack20US 4,066,720 A1978