F02M 3/10
Fuel metering pins
Official title: Fuel metering pins; Nozzles
F02M3/10 (Fuel metering pins) appears on 98 US grants and 35 published applications in this corpus.
Search patents in F02M- Granted patents
- 98
- Published applications
- 35
- Assignees
- 44
- Inventors
- 141
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 2 |
| 2003 | 2 | 0 |
| 2004 | 4 | 4 |
| 2005 | 0 | 4 |
| 2006 | 5 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 3 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 5 |
| 2018 | 3 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fuel regulator25 Nov 2025US 12,480,461 B2Yamabiko Corporation
- Carburettor assembly30 Sep 2025US 12,429,016 B2Husqvarna AB
- Charge forming device with tamper resistant adjustable valve19 Sep 2023US 11,761,403 B2Walbro Corporation
- Limiting cap8 Aug 2023US 11,719,195 B2Yamabiko Corporation
- Carburetor with adjusting tool for garden machinery engine with anti-flow tampering function5 Apr 2022US 11,293,379 B1
- Fuel regulator25 Jan 2024US 2024/0026841 A1Yamabiko Corporation
- Carburettor assembly29 Jun 2023US 2023/0204005 A1Husqvarna AB
- Carburetor with adjusting tool for garden machinery engine with anti-flow tampering function31 Mar 2022US 2022/0099048 A1
- Charge forming device with tamper resistant adjustable valve27 Jan 2022US 2022/0025838 A1Walbro Corporation
- Limiting cap3 Jun 2021US 2021/0164419 A1Yamabiko Corporation
Most cited
By later US patents
- Carburetor needle valve and limiter cap installation and adjustment apparatus61US 5,984,281 AWalbro Corporation · 1999
- Carburetor needle valve adjustment limiter cap and method of adjusting fuel flow29US 5,236,634 AWalbro Corporation · 1993
- Idle adjusting device for a carburetor28US 4,271,095 AToyo Kogyo Co., Ltd. · 1981
- Adjustment safeguard for an adjusting screw28US 5,252,261 AAndreas Stihl AG & Co. KG · 1993
- Carburetor needle valve adjustment limiter cap apparatus and method of adjusting fuel flow27US 5,753,148 AWalbro Corporation · 1998