F02M 33/08
Returning to the fuel tank
Official title: returning to the fuel tank
F02M33/08 (Returning to the fuel tank) appears on 48 US grants and 54 published applications in this corpus.
Search patents in F02M- Granted patents
- 48
- Published applications
- 54
- Assignees
- 36
- Inventors
- 95
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 4 |
| 2009 | 3 | 6 |
| 2010 | 3 | 2 |
| 2011 | 0 | 5 |
| 2012 | 6 | 3 |
| 2013 | 0 | 7 |
| 2014 | 2 | 3 |
| 2015 | 1 | 2 |
| 2016 | 3 | 1 |
| 2017 | 4 | 4 |
| 2018 | 3 | 6 |
| 2019 | 4 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Handling of fuel vapour27 May 2025US 12,311,752 B2Ningbo Geely Automobile Research & Development Co.
- Adjusting a fuel on-board a vehicle5 Apr 2022US 11,293,386 B2Saudi Arabian Oil Company
- Adjusting a fuel on-board a vehicle30 Jun 2020US 10,697,380 B2Saudi Arabian Oil Company
- In-line fuel cooling system and method for a motor vehicle24 Mar 2020US 10,598,135 B2
- Fuel return device12 Nov 2019US 10,473,065 B2Kyosan Denki Co., Ltd.
- Gaseous and dual fuel intake system for diesel and gasoline engines2 Oct 2025US 2025/0305462 A1
- Handling of fuel vapour30 Dec 2021US 2021/0402872 A1Ningbo Geely Automobile Research & Development Co.
- Fuel return device27 Dec 2018US 2018/0372035 A1Kyosan Denki Co., Ltd.
- A fuel tank arrangement for a dual fuel internal combustion engine25 Oct 2018US 2018/0304740 A1Volvo Truck Corporation
- Adjusting a fuel on-board a vehicle30 Aug 2018US 2018/0245524 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Ethanol separation using air from turbo compressor50US 8,141,356 B2Ford Global Technologies, LLC · 2012
- Fuel vapor recovery42US 9,945,333 B22018
- Integral vapor storage and vent valve assembly for use with a small engine fuel tank and vapor emission system employing same22US 7,201,155 B2Eaton Corporation · 2007
- Shaping a fuel charge in a combustion chamber with multiple drivers and/or ionization control18US 8,267,063 B2McAlister Technologies, LLC · 2012
- Molecular diffuser assembly14US 4,515,134 A1985