F02M 51/08
Specially for low-pressure fuel-injection
Official title: specially for low-pressure fuel-injection
F02M51/08 (Specially for low-pressure fuel-injection) appears on 309 US grants and 23 published applications in this corpus.
Search patents in F02M- Granted patents
- 309
- Published applications
- 23
- Assignees
- 73
- Inventors
- 388
- Latest grant
- 6 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 11 | 0 |
| 1981 | 8 | 0 |
| 1982 | 19 | 0 |
| 1983 | 16 | 0 |
| 1984 | 18 | 0 |
| 1985 | 16 | 0 |
| 1986 | 11 | 0 |
| 1987 | 25 | 0 |
| 1988 | 15 | 0 |
| 1989 | 26 | 0 |
| 1990 | 33 | 0 |
| 1991 | 30 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 3 |
| 2018 | 3 | 1 |
| 2019 | 2 | 3 |
| 2020 | 3 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Droplet ejector6 Feb 2024US 11,891,971 B2
- Fuel injection system29 Mar 2022US 11,286,895 B2Briggs & Stratton Corporation
- Solenoid valve for a fuel system25 Aug 2020US 10,753,503 B2Andreas Stihl AG & CO.KG
- Attachment structure of fuel injection device nozzle plate23 Jun 2020US 10,690,099 B2Enplas Corporation
- Fuel injection device19 May 2020US 10,655,556 B2Zama Japan Kabushiki Kaisha
- Electromagnetic fuel injection valve6 Nov 2025US 2025/0341195 A1Hitachi Astemo, Ltd.
- Droplet ejector3 Mar 2022US 2022/0065210 A1
- Fuel Injection Valve24 Dec 2020US 2020/0400112 A1Hitachi Automotive Systems, Ltd.
- Injector5 Mar 2020US 2020/0072173 A1Nikki Co., Ltd.
- Fuel Injection Valve and Method for Manufacturing Fuel Injection Valve12 Dec 2019US 2019/0376478 A1Hitachi Automotive Systems, Ltd.
Most cited
By later US patents
- Fuel control system with calibration learning capability for motor vehicle internal combustion engine137US 4,130,095 AGeneral Motors Corporation · 1978
- Fuel injector with silicon nozzle84US 4,907,748 AFord Motor Company · 1990
- Electromagnetic fuel injection valve84US 4,946,107 APacer Industries, Inc. · 1990
- Multi-stage fuel metering valve assembly81US 4,342,443 AColt Industries Operating Corp. · 1982
- Electromagnetically actuatable valve71US 4,662,567 ARobert Bosch GmbH · 1987