F02M 1/02
The means to facilitate starting or idling being chokes for enriching fuel-air
Official title: the means to facilitate starting or idling being chokes for enriching fuel-air mixture (automatic chokes F02M1/08)
F02M1/02 (The means to facilitate starting or idling being chokes for enriching fuel-air) appears on 164 US grants and 120 published applications in this corpus.
Search patents in F02M- Granted patents
- 164
- Published applications
- 120
- Assignees
- 78
- Inventors
- 288
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 4 |
| 2002 | 4 | 4 |
| 2003 | 8 | 6 |
| 2004 | 1 | 4 |
| 2005 | 6 | 3 |
| 2006 | 2 | 5 |
| 2007 | 2 | 4 |
| 2008 | 3 | 4 |
| 2009 | 3 | 6 |
| 2010 | 4 | 9 |
| 2011 | 2 | 5 |
| 2012 | 4 | 7 |
| 2013 | 12 | 5 |
| 2014 | 7 | 11 |
| 2015 | 6 | 7 |
| 2016 | 10 | 8 |
| 2017 | 8 | 3 |
| 2018 | 8 | 6 |
| 2019 | 6 | 6 |
| 2020 | 5 | 4 |
| 2021 | 3 | 4 |
| 2022 | 3 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Moving-body path calculation device21 Oct 2025US 12,449,812 B2NEC Corporation
- Manually operated choke lever assemblies incorporating a cable system13 Feb 2024US 11,898,505 B2
- Fuel feed unit and two-stroke engine having a fuel feed unit1 Aug 2023US 11,713,738 B2Andreas Stihl AG & CO.KG
- Mechanism for opening/closing intake member22 Nov 2022US 11,506,148 B2Honda Motor Co., Ltd.
- Opening/closing mechanism of intake member15 Nov 2022US 11,499,506 B2Honda Motor Co., Ltd.
- Handheld power tool with an actuator mechanism4 Jun 2026US 2026/0151929 A1Husqvarna AB
- Moving-body path calculation device7 Dec 2023US 2023/0393581 A1NEC Corporation
- Fuel feed unit and two-stroke engine having a fuel feed unit19 Jan 2023US 2023/0013645 A1Andreas Stihl AG & CO.KG
- Fuel supply device27 Jan 2022US 2022/0025836 A1Andreas Stihl AG & CO.KG
- Carburetor and two-stroke engine with a carburetor27 Jan 2022US 2022/0025837 A1Andreas Stihl AG & CO.KG
Most cited
By later US patents
- Carburetor and method and apparatus for controlling air/fuel ratio of same57US 5,611,312 AWalbro Corporation · 1997
- Carburetor throttle and choke control mechanism39US 6,202,989 B1Walbro Corporation · 2001
- Carburetor throttle and choke control mechanism35US 6,000,683 AWalbro Corporation · 1999
- Carburetor automatic control system in engine34US 7,331,326 B2Honda Motor Co., Ltd. · 2008
- Portable handheld work apparatus31US 5,215,049 AAndreas Stihl AG & CO.KG · 1993