F02N 11/006
Starting of engines by means of electric motors: using a plurality of
Official title: {using a plurality of electric motors}
F02N11/006 (Starting of engines by means of electric motors: using a plurality of) appears on 271 US grants and 271 published applications in this corpus.
Search patents in F02N- Granted patents
- 271
- Published applications
- 271
- Assignees
- 95
- Inventors
- 556
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 6 |
| 2003 | 3 | 3 |
| 2004 | 8 | 9 |
| 2005 | 6 | 2 |
| 2006 | 2 | 3 |
| 2007 | 4 | 10 |
| 2008 | 5 | 7 |
| 2009 | 2 | 7 |
| 2010 | 6 | 9 |
| 2011 | 3 | 6 |
| 2012 | 12 | 12 |
| 2013 | 11 | 8 |
| 2014 | 9 | 19 |
| 2015 | 12 | 16 |
| 2016 | 20 | 26 |
| 2017 | 21 | 26 |
| 2018 | 19 | 19 |
| 2019 | 25 | 14 |
| 2020 | 16 | 20 |
| 2021 | 24 | 16 |
| 2022 | 21 | 14 |
| 2023 | 11 | 14 |
| 2024 | 13 | 2 |
| 2025 | 3 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Hybrid vehicle drive system having two motor/generator units and engine starting means153US 5,934,395 AToyota Jidosha Kabushiki Kaisha · 1999
- Internal combustion engine starting apparatus and process92US 5,713,320 AGas Research Institute · 1998
- Starter for engine equipped with motor generator85US 6,018,199 AMitsubishi Denki Kabushiki Kaisha · 2000
- Engine start control system80US 6,396,165 B1Toyota Jidosha Kabushiki Kaisha · 2002
- Hybrid propulsion system comprising shiftable clutches provided for a motor vehicle67US 6,705,416 B1ZF Friedrichshafen AG · 2004