F02M 7/14
With means for controlling cross-sectional area of fuel spray nozzle
Official title: with means for controlling cross-sectional area of fuel spray nozzle (dependent on air-throttle valve position F02M7/22)
F02M7/14 (With means for controlling cross-sectional area of fuel spray nozzle) appears on 122 US grants and 16 published applications in this corpus.
Search patents in F02M- Granted patents
- 122
- Published applications
- 16
- Assignees
- 48
- Inventors
- 141
- Latest grant
- 19 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 11 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 11 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 19 | 0 |
| 1985 | 15 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Charge forming device with tamper resistant adjustable valve19 Sep 2023US 11,761,403 B2Walbro Corporation
- Charge forming device with tamper resistant adjustable valve30 Nov 2021US 11,187,191 B2Walbro Corporation
- Internal combustion engine2 Feb 2021US 10,907,581 B2Honda Motor Co., Ltd.
- Dual fuel carburetor28 Jan 2020US 10,544,756 B2
- Snowthrower including power boost system21 Mar 2017US 9,598,828 B2Briggs & Stratton Corporation
- Method, system, and apparatus for optimizing carburetors26 Dec 2024US 2024/0426263 A1
- Charge forming device with tamper resistant adjustable valve27 Jan 2022US 2022/0025838 A1Walbro Corporation
- Internal combustion engine27 Aug 2020US 2020/0271076 A1Honda Motor Co., Ltd.
- Charge forming device with tamper resistant adjustable valve28 Dec 2017US 2017/0370328 A1Walbro Corporation
- Dual Fuel Carburetor5 Oct 2017US 2017/0284341 A1
Most cited
By later US patents
- Internal combustion engine and method of operating it33US 4,117,813 AYamaha Hatsudoki Kabushiki Kaisha · 1978
- Carburation devices for internal combustion engines32US 3,963,009 ASociete Industrielle de Brevets et d'Etudes S.I.B.E. · 1976
- Air-fuel mixture ratio correcting system for carburetor28US 4,036,186 ANippon Soken, Inc. · 1977
- Fuel regulating mechanism for a rotary throttle valve type carburetor28US 5,709,822 AWalbro Corporation · 1998
- Air-fuel mixture ratio correcting system for carburetor24US 4,153,021 ANippon Soken, Inc. · 1979