B60K 6/54
Transmission for changing ratio
B60K6/54 (Transmission for changing ratio) appears on 3,313 US grants and 3,413 published applications in this corpus.
Search patents in B60K- Granted patents
- 3,313
- Published applications
- 3,413
- Assignees
- 469
- Inventors
- 4,535
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 24 | 0 |
| 1999 | 40 | 0 |
| 2000 | 44 | 0 |
| 2001 | 73 | 38 |
| 2002 | 103 | 93 |
| 2003 | 105 | 96 |
| 2004 | 76 | 85 |
| 2005 | 68 | 79 |
| 2006 | 66 | 72 |
| 2007 | 72 | 125 |
| 2008 | 59 | 156 |
| 2009 | 81 | 238 |
| 2010 | 112 | 172 |
| 2011 | 124 | 105 |
| 2012 | 212 | 88 |
| 2013 | 134 | 102 |
| 2014 | 109 | 126 |
| 2015 | 134 | 183 |
| 2016 | 143 | 225 |
| 2017 | 209 | 217 |
| 2018 | 184 | 203 |
| 2019 | 201 | 197 |
| 2020 | 212 | 167 |
| 2021 | 158 | 164 |
| 2022 | 185 | 204 |
| 2023 | 129 | 128 |
| 2024 | 104 | 59 |
| 2025 | 75 | 54 |
| 2026 | 49 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Saddle-ride motorcycle of scooter type with hybrid propulsion6 Oct 2026US 12,752,617 B2PIAGGIO & C. S. p. A.
- Electrical hybridization of hydromechanical variable transmission6 Oct 2026US 12,752,618 B2Dana Italia S.R.L.
- Electrified military vehicle22 Sep 2026US 12,741,527 B1Oshkosh Defense, LLC
- Hybrid drive system for a motor vehicle, and a motor vehicle, in particular a motor car15 Sep 2026US 12,734,876 B2Mercedes-Benz Group AG
- Electric machine shift and engine start coordination8 Sep 2026US 12,728,834 B2Fca US LLC
- Hybrid power system and vehicle10 Sep 2026US 2026/0264664 A1Chery Automobile Co., Ltd.
- Reciprocating internal combustion engine20 Aug 2026US 2026/0243329 A1Aisin Corporation
- Computer system comprising processing circuitry to control a transmission of a vehicle6 Aug 2026US 2026/0225575 A1Volvo Truck Corporation
- Work vehicle30 Jul 2026US 2026/0217102 A1Kubota Corporation
- Vehicle driving control apparatus and method, and a vehicle including the same23 Jul 2026US 2026/0208723 A1Hyundai Motor Company
Most cited
By later US patents
- Variable current limit control for vehicle electric drive system1,604US 6,492,785 B1Deere & Company · 2002
- Vehicular drive unit276US 5,846,155 AAisin Aw Co., Ltd. · 1998
- Control method and apparatus for internal combustion engine electric hybrid vehicles269US 6,054,844 AThe Regents of the University of California · 2000
- 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
- Control system for on-vehicle battery231US 5,939,861 AHino Jidosha Kogyo Kabushiki Kaisha · 1999