F02D 25/02
To synchronise speed
Official title: to synchronise speed
F02D25/02 (To synchronise speed) appears on 35 US grants and 22 published applications in this corpus.
Search patents in F02D- Granted patents
- 35
- Published applications
- 22
- Assignees
- 25
- Inventors
- 67
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 4 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motor angular position control25 Aug 2026US 12,719,392 B2Schlumberger Technology Corporation
- Motor angular position control15 Oct 2024US 12,119,775 B2Schlumberger Technology Corporation
- Driveline arrangement and method of controlling a driveline arrangement1 Oct 2024US 12,103,655 B2AB Volvo Penta
- Engine speed control device for vessel21 May 2024US 11,987,335 B2Honda Motor Co., Ltd.
- Motor angular position control27 Feb 2024US 11,916,507 B2Schlumberger Technology Corporation
- Motor angular position control28 Aug 2025US 2025/0274064 A1Schlumberger Technology Corporation
- Engine Control By Lock Change Files11 Jul 2024US 2024/0229728 A1
- Motor Angular Position Control30 May 2024US 2024/0178773 A1Schlumberger Technology Corporation
- Driveline arrangement and method of controlling a driveline arrangement21 Sep 2023US 2023/0294811 A1AB Volvo Penta
- Engine speed control device for vessel27 Jan 2022US 2022/0024552 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Control of multiple engines using one or more parameters associated with the multiple engines157US 10,927,774 B2Caterpillar Inc. · 2021
- Apparatus for an engine control system33US 6,073,592 ACaterpillar Inc. · 2000
- Engine synchronizer32US 3,986,363 A1976
- Control for watercraft26US 5,782,659 ASanshin Kogyo Kabushiki Kaisha · 1998
- Engine synchronizer24US 8,855,890 B2Evoke Technology LLC · 2014