F02M 33/02
Supplying combustion engines in general with combustible mixtures or constituents thereof: other
Official title: for collecting and returning condensed fuel {(apparatus for re-atomising condensed fuel F02M29/00)}
F02M33/02 (Supplying combustion engines in general with combustible mixtures or constituents thereof: other) appears on 203 US grants and 140 published applications in this corpus.
Search patents in F02M- Granted patents
- 203
- Published applications
- 140
- Assignees
- 97
- Inventors
- 387
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 10 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 7 | 5 |
| 2003 | 5 | 3 |
| 2004 | 3 | 4 |
| 2005 | 4 | 3 |
| 2006 | 4 | 9 |
| 2007 | 7 | 7 |
| 2008 | 7 | 8 |
| 2009 | 4 | 8 |
| 2010 | 7 | 8 |
| 2011 | 4 | 11 |
| 2012 | 8 | 7 |
| 2013 | 1 | 16 |
| 2014 | 9 | 14 |
| 2015 | 14 | 5 |
| 2016 | 6 | 5 |
| 2017 | 10 | 7 |
| 2018 | 7 | 9 |
| 2019 | 5 | 0 |
| 2020 | 4 | 4 |
| 2021 | 3 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Inline high frequency fiber silencer22 Feb 2022US 11,255,303 B2Toledo Molding & Die, Inc.
- Structure for suctioning back blow-back fuel2 Nov 2021US 11,162,463 B2Kawasaki Jukogyo Kabushiki Kaisha
- Purge system for fuel evaporation gas of vehicle1 Jun 2021US 11,022,076 B2Hyundai Motor Company
- Vapor separator tank29 Jan 2026US 2026/0027494 A1Mikuni Corporation
- Vapor separator tank29 Jan 2026US 2026/0028952 A1Mikuni Corporation
- 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 oxygen reduction unit4 Nov 2021US 2021/0340938 A1General Electric Company
Most cited
By later US patents
- Swirl chamber91US 4,726,686 A1988
- Ethanol separation using air from turbo compressor50US 8,141,356 B2Ford Global Technologies, LLC · 2012
- Fuel vapor recovery42US 9,945,333 B22018
- POx cold start vapor system36US 6,463,889 B2General Motors Corporation · 2002
- Internal combustion engine and method of operating it33US 4,117,813 AYamaha Hatsudoki Kabushiki Kaisha · 1978