F02D 2250/06
Reverse rotation of engine
F02D2250/06 (Reverse rotation of engine) appears on 125 US grants and 108 published applications in this corpus.
Search patents in F02D- Granted patents
- 125
- Published applications
- 108
- Assignees
- 63
- Inventors
- 209
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 4 |
| 2004 | 8 | 5 |
| 2005 | 5 | 3 |
| 2006 | 2 | 4 |
| 2007 | 5 | 3 |
| 2008 | 6 | 9 |
| 2009 | 1 | 7 |
| 2010 | 8 | 5 |
| 2011 | 2 | 5 |
| 2012 | 5 | 2 |
| 2013 | 3 | 4 |
| 2014 | 3 | 3 |
| 2015 | 3 | 3 |
| 2016 | 2 | 3 |
| 2017 | 3 | 4 |
| 2018 | 6 | 8 |
| 2019 | 7 | 15 |
| 2020 | 12 | 9 |
| 2021 | 10 | 1 |
| 2022 | 6 | 4 |
| 2023 | 3 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Generator control method and generator control device13 Jan 2026US 12,525,905 B2Nissan Motor Co., Ltd.
- Reversing method for a vehicle powertrain8 Apr 2025US 12,270,351 B2Schaeffler Technologies AG & Co. KG
- Vehicle controller and vehicle control method18 Mar 2025US 12,253,040 B2Toyota Jidosha Kabushiki Kaisha
- Control apparatus for electric vehicle19 Dec 2023US 11,845,417 B2Mazda Motor Corporation
- Engine control method for protecting an internal combustion engine during reverse rotation31 Jan 2023US 11,566,571 B2Vitesco Technologies GmbH
- Method for controlling the rotation of a vehicle engine camshaft1 Oct 2026US 2026/0298165 A1Schaeffler Technologies AG & Co. KG
- Determination of the direction of rotation of a crankshaft from a signal generated by a magnetic crankshaft sensor27 Aug 2026US 2026/0251100 A1Schaeffler Technologies AG & Co. KG
- Approaches for diagnostics of nox sensor(s)23 Oct 2025US 2025/0327416 A1Volvo Truck Corporation
- Generator control method and generator control device3 Apr 2025US 2025/0112571 A1Nissan Motor Co., Ltd.
- Reversing method for a vehicle powertrain15 Aug 2024US 2024/0271579 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Reverse operation of a vehicle34US 7,380,538 B1Bombardier Recreational Products Inc. · 2008
- Reverse rotation engine31US 5,036,802 ABombardier Inc. · 1991
- Engine cycle timing and synchronization based on crankshaft angle measurements31US 5,604,304 ANippondenso Co., Ltd. · 1997
- Method for starting an internal combustion engine, in particular on a motor vehicle27US 6,588,397 B1Robert Bosch GmbH · 2003
- Electronic position and speed sensing device26US 6,208,131 B1Oribatal Engine Company · 2001