F02M 33/00
Supplying combustion engines in general with combustible mixtures or constituents thereof: other
Official title: Other apparatus for treating combustion-air, fuel or fuel-air mixture (combustion-air cleaners F02M35/00; arrangements for purifying liquid fuel F02M37/22)
F02M33/00 (Supplying combustion engines in general with combustible mixtures or constituents thereof: other) appears on 296 US grants and 208 published applications in this corpus.
Search patents in F02M- Granted patents
- 296
- Published applications
- 208
- Assignees
- 131
- Inventors
- 546
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 10 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 3 |
| 2002 | 12 | 10 |
| 2003 | 9 | 4 |
| 2004 | 7 | 7 |
| 2005 | 5 | 7 |
| 2006 | 7 | 11 |
| 2007 | 9 | 9 |
| 2008 | 8 | 8 |
| 2009 | 4 | 9 |
| 2010 | 7 | 11 |
| 2011 | 4 | 14 |
| 2012 | 11 | 10 |
| 2013 | 4 | 18 |
| 2014 | 11 | 15 |
| 2015 | 14 | 9 |
| 2016 | 7 | 7 |
| 2017 | 12 | 13 |
| 2018 | 13 | 15 |
| 2019 | 7 | 4 |
| 2020 | 4 | 9 |
| 2021 | 11 | 6 |
| 2022 | 7 | 4 |
| 2023 | 3 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and a relative apparatus for producing liquified gases8 Sep 2026US 12,729,906 B2Fpt Industrial S.P.A.
- Handling of fuel vapour27 May 2025US 12,311,752 B2Ningbo Geely Automobile Research & Development Co.
- System and method for monitoring fuel additives23 Jan 2024US 11,879,388 B2Rtx Corporation
- System for delivering oxygen to an internal combustion engine of a vehicle16 Jan 2024US 11,873,757 B1
- Separating a fuel on-board a vehicle8 Aug 2023US 11,719,200 B2Saudi Arabian Oil Company
- Vapor separator tank29 Jan 2026US 2026/0027494 A1Mikuni Corporation
- Vapor separator tank29 Jan 2026US 2026/0028952 A1Mikuni Corporation
- Evaporated fuel treatment device22 Jan 2026US 2026/0021437 A1Futaba Industrial Co., Ltd.
- Gaseous and dual fuel intake system for diesel and gasoline engines2 Oct 2025US 2025/0305462 A1
- A method and a relative apparatus for producing liquified gases2 Feb 2023US 2023/0031323 A1Fpt Industrial S.P.A.
Most cited
By later US patents
- Swirl chamber91US 4,726,686 A1988
- Fuel supply system73US 6,622,664 B2Daimler Chrysler AG · 2003
- Advanced high efficiency, ultra-low emission, thermochemically recuperated reciprocating internal combustion engine55US 7,210,467 B2Gas Technology Institute · 2007
- Cyclone vortex system and process52US 5,472,645 ACyclone Technologies, Inc. · 1995
- Fluid treating device50US 5,059,217 A1991