F02M 9/06
With means for varying cross-sectional area of fuel spray nozzle dependent on
Official title: with means for varying cross-sectional area of fuel spray nozzle dependent on throttle position (installations, operated automatically by a pneumatically adjustable piston-like element, for influencing fuel/air ratio F02M7/17)
F02M9/06 (With means for varying cross-sectional area of fuel spray nozzle dependent on) appears on 74 US grants and 26 published applications in this corpus.
Search patents in F02M- Granted patents
- 74
- Published applications
- 26
- Assignees
- 34
- Inventors
- 111
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 5 |
| 2002 | 4 | 3 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Easy engine starting system17 Mar 2026US 12,577,929 B2Oppama Industry Co., Ltd.
- Fuel nozzle for a rotary throttle valve carburetor3 May 2022US 11,319,901 B2Walbro Corporation
- Low pressure fuel injection system for a multi-cylinder light-duty internal combustion engine18 May 2021US 11,008,951 B2Walbro Corporation
- Portable engine working machine and rotary carburetor incorporated therein28 Apr 2020US 10,634,095 B2Yamabiko Corporation
- Portable engine working machine and rotary carburetor incorporated therein12 Feb 2019US 10,202,942 B2Yamabiko Corporation
- Easy engine starting system8 Feb 2024US 2024/0044309 A1Oppama Industry Co., Ltd.
- Fuel nozzle for a rotary throttle valve carburetor11 Mar 2021US 2021/0071622 A1Walbro Corporation
- Low pressure fuel injection system for a multi-cylinder light-duty internal combustion engine6 Aug 2020US 2020/0248635 A1Walbro Corporation
- Portable Engine Working Machine And Rotary Carburetor Incorporated Therein14 Feb 2019US 2019/0048827 A1Yamabiko Corporation
- Portable Engine Working Machine And Rotary Carburetor Incorporated Therein7 Jun 2018US 2018/0156160 A1Yamabiko Corporation
Most cited
By later US patents
- Carburetor22US 4,013,741 ALectron Products, Inc. · 1977
- Carburetor air intake velocity stack20US 4,066,720 A1978
- Carburetor18US 3,957,930 A1976
- Piston type throttle valve carburetor18US 4,150,070 AMikuni Kogyo Kabushiki Kaisha · 1979
- Rotary throttle valve type carburetor16US 5,942,160 AU.S.A. Zama, Inc. · 1999