F02M 5/08
Float-controlled apparatus for maintaining a constant fuel level: having means for venting
Official title: having means for venting float chambers
F02M5/08 (Float-controlled apparatus for maintaining a constant fuel level: having means for venting) appears on 58 US grants and 15 published applications in this corpus.
Search patents in F02M- Granted patents
- 58
- Published applications
- 15
- Assignees
- 30
- Inventors
- 88
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 3 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bottom feed fuel bowl10 Mar 2026US 12,571,362 B2K&N Engineering, Inc.
- Fuel supply device with injector and vapor management22 Oct 2024US 12,123,374 B2Walbro Corporation
- Bottom feed fuel bowl2 Apr 2024US 11,946,440 B2K&N Engineering, Inc.
- Fuel supply device with injector and vapor management5 Mar 2024US 11,920,544 B2Walbro Corporation
- Charge forming device with electrically actuated vapor separator vent valve3 May 2022US 11,319,900 B2Walbro Corporation
- Double-passage balance structure of carburetor13 Mar 2025US 2025/0084807 A1Zhejiang Ruixing Electromechanical Technology Co., Ltd.
- Bottom feed fuel bowl25 Jul 2024US 2024/0247620 A1K&N Engineering, Inc.
- Fuel supply device with injector and vapor management30 May 2024US 2024/0175411 A1Walbro Corporation
- Fuel supply device with injector and vapor management20 Apr 2023US 2023/0123915 A1Walbro Corporation
- Bottom feed fuel bowl28 Apr 2022US 2022/0128017 A1K&N Engineering, Inc.
Most cited
By later US patents
- Device for reducing evaporation loss from carburetors and fuel tanks27US 4,416,108 AOutboard Marine Corporation · 1983
- Engine shutdown control25US 4,111,176 AKohler Co. · 1978
- Control valve device21US 4,577,607 AAisin Seiki Kabushiki Kaisha · 1986
- Carburetor starting mixture control18US 4,254,064 AKohler Co. · 1981
- Carburetor fuel bowl vent valve assembly17US 4,456,216 AFord Motor Company · 1984