F02M 69/30
Low-pressure fuel-injection apparatus: characterised by means for facilitating the starting-up or idling
Official title: characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines
F02M69/30 (Low-pressure fuel-injection apparatus: characterised by means for facilitating the starting-up or idling) appears on 245 US grants and 57 published applications in this corpus.
Search patents in F02M- Granted patents
- 245
- Published applications
- 57
- Assignees
- 88
- Inventors
- 418
- Latest grant
- 22 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 11 | 0 |
| 1978 | 11 | 0 |
| 1979 | 9 | 0 |
| 1980 | 23 | 0 |
| 1981 | 18 | 0 |
| 1982 | 15 | 0 |
| 1983 | 12 | 0 |
| 1984 | 8 | 0 |
| 1985 | 12 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 2 |
| 2003 | 4 | 7 |
| 2004 | 5 | 10 |
| 2005 | 7 | 5 |
| 2006 | 5 | 0 |
| 2007 | 1 | 1 |
| 2008 | 2 | 3 |
| 2009 | 1 | 5 |
| 2010 | 3 | 4 |
| 2011 | 2 | 1 |
| 2012 | 3 | 3 |
| 2013 | 3 | 3 |
| 2014 | 2 | 2 |
| 2015 | 1 | 2 |
| 2016 | 5 | 2 |
| 2017 | 2 | 3 |
| 2018 | 3 | 0 |
| 2019 | 0 | 0 |
| 2020 | 3 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fuel injector having dry-running protection valve and fuel system using same22 Mar 2022US 11,280,306 B1Caterpillar Inc.
- Method for fuel injection control1 Sep 2020US 10,760,520 B2Ford Global Technologies, LLC
- Evaporated fuel processing device1 Sep 2020US 10,760,533 B2Aisan Kogyo Kabushiki Kaisha
- Decoupling element for a fuel-injection device5 May 2020US 10,641,224 B2Robert Bosch GmbH
- Throttle body fuel injection system with improved fuel distribution9 Oct 2018US 10,094,353 B2Msd K.K.
- A fuel injection arrangement for hand-held powertools23 Oct 2025US 2025/0327433 A1Husqvarna AB
- Evaporated fuel processing device7 May 2020US 2020/0141359 A1Aisan Kogyo Kabushiki Kaisha
- Decoupling element for a fuel-injection device16 Nov 2017US 2017/0328325 A1Robert Bosch GmbH
- Exhaust Treatment System Having Membrane Module For Water Removal24 Aug 2017US 2017/0241317 A1Tenneco Automotive Operating Company Inc.
- Flow rate control valve5 Jan 2017US 2017/0002948 A1Mikuni Corporation
Most cited
By later US patents
- Cold start fuel control system71US 5,482,023 AHitachi America, Ltd., Research and Development Division · 1996
- Intake air control device and internal combustion engine mounting the same50US 6,543,412 B2Hitachi Car Engineering Co., Ltd. · 2003
- Throttle body fuel injection system with improved idle air control45US 9,303,578 B2Msd K.K. · 2016
- Engine air intake control system44US 4,237,838 ANippondenso Co., Ltd. · 1980
- Spill type swirl injector44US 4,292,947 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1981