B60K 6/547
The transmission being a stepped gearing
Official title: the transmission being a stepped gearing
B60K6/547 (The transmission being a stepped gearing) appears on 2,401 US grants and 2,599 published applications in this corpus.
Search patents in B60K- Granted patents
- 2,401
- Published applications
- 2,599
- Assignees
- 356
- Inventors
- 3,308
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 13 | 0 |
| 1999 | 26 | 0 |
| 2000 | 11 | 0 |
| 2001 | 19 | 19 |
| 2002 | 34 | 37 |
| 2003 | 43 | 39 |
| 2004 | 29 | 45 |
| 2005 | 35 | 35 |
| 2006 | 31 | 42 |
| 2007 | 40 | 108 |
| 2008 | 47 | 128 |
| 2009 | 61 | 222 |
| 2010 | 91 | 144 |
| 2011 | 109 | 83 |
| 2012 | 195 | 69 |
| 2013 | 111 | 77 |
| 2014 | 88 | 99 |
| 2015 | 114 | 144 |
| 2016 | 107 | 165 |
| 2017 | 155 | 167 |
| 2018 | 131 | 145 |
| 2019 | 154 | 158 |
| 2020 | 171 | 138 |
| 2021 | 131 | 138 |
| 2022 | 154 | 171 |
| 2023 | 104 | 107 |
| 2024 | 90 | 43 |
| 2025 | 59 | 40 |
| 2026 | 34 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Variable current limit control for vehicle electric drive system1,604US 6,492,785 B1Deere & Company · 2002
- Hybrid vehicle drive system having clutch between engine and synthesizing/distributing mechanism which is operatively connected to motor/generator235US 5,856,709 AToyota Jidosha Kabushiki Kaisha · 1999
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- Hybrid vehicles228US 6,554,088 B2Paice LLC · 2003
- Hybrid drive for a vehicle, in particular an automobile213US 4,533,011 AVolkswagenwerk Aktiengesellschaft · 1985