F02M 19/04
Fuel-metering pins or needles
F02M19/04 (Fuel-metering pins or needles) appears on 81 US grants and 59 published applications in this corpus.
Search patents in F02M- Granted patents
- 81
- Published applications
- 59
- Assignees
- 35
- Inventors
- 111
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 5 |
| 2002 | 5 | 3 |
| 2003 | 5 | 4 |
| 2004 | 3 | 5 |
| 2005 | 1 | 5 |
| 2006 | 3 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 4 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 7 |
| 2018 | 5 | 4 |
| 2019 | 5 | 2 |
| 2020 | 3 | 4 |
| 2021 | 4 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flow control restrictor28 Apr 2026US 12,612,884 B2Yamabiko Corporation
- Fuel regulator25 Nov 2025US 12,480,461 B2Yamabiko Corporation
- Carburetor with adjusting tool for garden machinery engine with anti-flow tampering function5 Apr 2022US 11,293,379 B1
- Charge forming device with adjustable valve limiter5 Apr 2022US 11,293,380 B2Walbro Corporation
- Carburetor including a manual fuel control device28 Sep 2021US 11,131,272 B2Yamabiko Corporation
- Fuel regulator25 Jan 2024US 2024/0026841 A1Yamabiko Corporation
- Flow control restrictor25 Jan 2024US 2024/0026842 A1Yamabiko Corporation
- Carburetor with adjusting tool for garden machinery engine with anti-flow tampering function31 Mar 2022US 2022/0099048 A1
- Fuel injecting nozzle3 Mar 2022US 2022/0065198 A1Zama Japan Kabushiki Kaisha
- Tamper resistant adjustment valve for a charge forming device9 Dec 2021US 2021/0381470 A1Walbro 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
- Carburetor needle valve adjustment limiter cap apparatus and method of adjusting fuel flow27US 5,753,148 AWalbro Corporation · 1998
- Carburetor needle valve adjustment limiter cap and method of use26US 5,322,645 AWalbro Corporation · 1994
- Carburetor22US 4,013,741 ALectron Products, Inc. · 1977