- 7,179,187 Electrically variable transmission having three interconnected planetary gear sets, two clutches and two brakes
- 7,179,186 Electrically variable transmission having three interconnected planetary gear sets
- 7,179,185 Electrically variable transmission having three interconnected planetary gear sets, two clutches and at least two brakes
- 7,175,561 Planetary transmissions having two non-continuously interconnected gear members
- 7,169,074 Electrically variable transmission having two planetary gear sets with one stationary member
- 7,166,053 Planetary transmissions having four interconnecting members and clutched input members
- 7,153,232 Planetary transmissions having a stationary member and an input member
- 7,153,231 Planetary transmissions having two interconnecting members and clutched input members
- 7,150,696 Planetary transmissions having a stationary gear member and clutched input members
- 7,150,695 Planetary transmissions having input clutches and three interconnected gear sets
- 7,128,684 Planetary transmissions having a stationary fixed interconnection and up to three input clutches
- 7,118,510 Planetary transmissions having input clutches and two interconnecting members
- 7,118,508 Planetary transmissions having three interconnected gear members and clutched input members
- 7,108,627 Planetary transmissions having two interconnecting members and at least two input clutches
- 7,104,916 Planetary transmissions having a stationary fixed interconnection and providing at least eight speed ratios
- 7,104,914 Planetary transmissions having two fixed interconnections and a stationary gear member
- 7,101,302 Planetary transmissions having a stationary member and input clutches
- 7,094,173 Wide ratio transmissions having a stationary planetary member and at least four clutches
- 7,090,610 Wide ratio transmissions with three interconnected planetary gear sets
- 7,086,986 Wide ratio transmissions with two fixed interconnecting members and at least three clutches
- 7,081,066 Planetary transmissions having three non-continuously interconnected gear sets
- 7,074,153 Planetary transmissions having three gear sets and input clutches
- 7,074,152 Planetary transmissions having a stationary member and three interconnected gear members
- 7,066,861 Planetary transmissions having a stationary member and at least two input clutches
- 7,059,994 Wide ratio transmissions with a fixed interconnecting member and a stationary planetary member
- 7,056,258 Planetary transmissions having one interconnecting member and an input member
- 7,056,257 Wide ratio transmissions with two fixed interconnecting members
- 7,041,027 Wide ratio transmissions with a fixed interconnecting member and at least six clutches
- 7,033,299 Planetary transmissions having three interconnected gear sets and clutched input
- 7,004,880 Wide ratio transmissions with three interconnected planetary gear sets and at least one brake
- 7,001,304 Wide ratio transmissions having three planetary gear sets and at least six clutches
- 6,997,846 Wide ratio transmissions with three planetary gear sets and two interconnecting members
- 6,997,844 Wide ratio transmissions with three interconnected planetary gear sets and a stationary member
- 6,994,649 Wide ratio transmissions having three gear sets and a stationary planetary member
- 6,991,577 Wide ratio transmissions with three planetary gear sets and a stationary interconnecting member
- 6,988,972 Wide ratio transmissions having three planetary gear sets and three brakes
- 6,976,932 Multi-speed planetary transmission mechanisms with a stationary planetary member and two brakes
- 6,976,931 Eight speed transmissions with three planetary gear sets
- 6,962,548 Wide ratio transmissions with a stationary planetary gear member and at least five clutches
- 6,949,048 Wide ratio transmissions with three planetary gear sets and two brakes
- 6,945,900 Wide ratio transmissions with three interconnected planetary gear members
- 6,918,360 Engine valve actuator assembly with hydraulic feedback
- 6,886,510 Engine valve actuator assembly with dual hydraulic feedback
- 6,883,474 Electrohydraulic engine valve actuator assembly
- 6,846,263 Planetary transmissions with clutched input and a stationary member
- 6,830,141 Friction-based clutch actuation system
- 6,793,605 Planetary transmissions with clutched input and two brakes
- 6,776,738 Family of multi-speed transmissions with a stationary planetary member and input clutches
- 6,767,306 Transmission mechanisms with three gear sets and a stationary gear member
- 6,758,785 Multi-speed transmission with three planetary gearsets and input clutches
- 6,752,739 Transmission mechanisms with three gear sets and a stationary gear member
- 6,746,361 Planetary transmissions with three gear sets and a stationary interconnecting member
- 6,746,360 Transmission mechanisms with clutched input and a stationary planetary gear member
- 6,746,358 Planetary transmissions with three interconnected gear sets and six selectable torque transmitting devices
- 6,743,147 Family of multi-speed planetary transmissions having a clutched input and one stationary member
- 6,743,145 Planetary transmissions with three interconnected gear sets and a stationary member
- 6,743,141 Planetary transmissions with clutched input and three brakes
Planetary transmissions having a stationary gear member and clutched input members
USPTO
GM engineer, Norman Bucknor invented a family of transmissions for General Motors.
More on Norman K Bucknor
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