F02D 1/04
By mechanical means dependent on engine speed
Official title: by mechanical means dependent on engine speed, e.g. using centrifugal governors (F02D1/08 takes precedence)
F02D1/04 (By mechanical means dependent on engine speed) appears on 118 US grants and 15 published applications in this corpus.
Search patents in F02D- Granted patents
- 118
- Published applications
- 15
- Assignees
- 39
- Inventors
- 183
- Latest grant
- 6 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 9 | 0 |
| 1982 | 9 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 2 |
| 2005 | 3 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Over-acceleration protection device for a speed regulator internal combustion engines and turbines6 Feb 2024US 11,891,900 B2
- System and method for controlling engine fueling and vehicle including such a system7 Nov 2023US 11,807,241 B2Volvo Truck Corporation
- Fuel injection device for engine13 Sep 2022US 11,441,491 B2Yanmar Co., Ltd.
- Fuel injection device for engines22 Jun 2021US 11,041,448 B2Yanmar Power Technology Co., Ltd.
- Engine speed control device6 Apr 2021US 10,968,838 B2Yanmar Power Technology Co., Ltd.
- Fuel supply apparatus and engine system1 Oct 2026US 2026/0298159 A1Yanmar Holdings Co., Ltd.
- System and method for controlling engine fueling and vehicle including such a system13 Oct 2022US 2022/0324451 A1Volvo Truck Corporation
- Over-acceleration protection device for a speed regulator internal combustion engines and turbines7 Apr 2022US 2022/0106890 A1
- Fuel Injection Device for Engine5 Aug 2021US 2021/0239055 A1Yanmar Co., Ltd.
- Fuel Injection Device for Engines10 Sep 2020US 2020/0284208 A1Yanmar Co., Ltd.
Most cited
By later US patents
- RPM Regulator for fuel injection pumps13US 3,945,360 ARobert Bosch GmbH · 1976
- Apparatus for actuating an adjustment device acting upon a control apparatus for exhaust recirculation in internal combustion engines13US 4,300,515 ARobert Bosch GmbH · 1981
- Governor system11US 4,567,870 ALucas Industries Limited · 1986
- Diesel engine with mechanical governor11US 5,083,545 AKubota Corporation · 1992
- RPM regulator for fuel injection pumps10US 3,946,713 ARobert Boach GmbH · 1976