F02M 23/12
Apparatus for adding secondary air to fuel-air mixture: characterised by being combined
Official title: characterised by being combined with device for, or by secondary air effecting, re-atomising of condensed fuel
F02M23/12 (Apparatus for adding secondary air to fuel-air mixture: characterised by being combined) appears on 25 US grants and 14 published applications in this corpus.
Search patents in F02M- Granted patents
- 25
- Published applications
- 14
- Assignees
- 17
- Inventors
- 45
- Latest grant
- 13 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Fuel injector18 Aug 2015US 9,109,553 B2Japan Aerospace Exploration Agency
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- Drive device18 Nov 2014US 8,887,699 B2BorgWarner Inc.
- Method and system for providing fuel to internal combustion engines18 Jun 2013US 8,464,694 B2Fuecotech, Inc.
- System and method of securing brake booster negative pressure22 Oct 2020US 2020/0332749 A1Hyundai Motor Company
- Pneumatic hybrid i.c. engine having water injection15 Mar 2018US 2018/0073468 A1
- Method and system for providing fuel to internal combustion engines11 Dec 2014US 2014/0360474 A1Helpful Technologies, Inc.
- Method and system for providing fuel to internal combustion engines2 Jan 2014US 2014/0000571 A1Fuecotech, Inc.
- Fuel injector12 Dec 2013US 2013/0327849 A1Japan Aerospace Exploration Agency
Most cited
By later US patents
- Fuel vaporizing device29US 4,108,953 A1978
- Fuel economizer employing improved turbulent mixing of fuel and air11US 4,235,828 A1980
- Emission control device for carbureted engines11US 5,046,475 AThompson Devices, Inc. · 1991
- Engine with fluidic variable swirl port10US 4,745,890 AGeneral Motors Corporation · 1988
- Emission control device for fuel injection and carbureted engines8US 5,269,283 AThompson Technologies, Inc. · 1993