Patrick Usoro

GM engineer, Dr Patrick Usoro invented a family of transmissions for General Motors.

• 7,175,561 Planetary transmissions having two non-continuously interconnected gear members
• 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
• 7,033,298 Family of five-speed dual-clutch transmissions having three planetary gear sets
• 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
• 6,932,735 Six-speed planetary transmission mechanisms with two clutches and three brakes
• 6,852,059 Six-speed dual-clutch transmissions having planetary gear sets with two interconnecting members
• 6,846,263 Planetary transmissions with clutched input and a stationary member
• 6,837,823 Six-speed dual-clutch transmissions having four planetary gear sets and two brakes
• 6,832,675 Flat disk spring assembly for automatic transmissions
• 6,811,512 Multi-speed dual-clutch planetary transmission mechanisms having a stationary gear member and two brakes
• 6,793,605 Planetary transmissions with clutched input and two brakes
• 6,783,477 Family of six-speed dual-clutch transmissions having three planetary gear sets
• 6,780,138 Family of multi-speed planetary transmission mechanisms having three planetary gearsets, three clutches, and two brakes
• 6,776,738 Family of multi-speed transmissions with a stationary planetary member and input clutches
• 6,773,371 Family of multi-speed transmissions having interconnected planetary gearsets and input clutches
• 6,767,307 Family of multi-speed dual-clutch transmissions having four planetary gear sets and four brakes
• 6,767,306 Transmission mechanisms with three gear sets and a stationary gear member
• 6,764,426 Multi-speed dual-clutch transmissions having three interconnecting members and four brakes
• 6,764,424 Six-speed dual-clutch transmissions having planetary gear sets with three interconnecting members
• 6,758,787 Family of six-speed dual-clutch transmissions having a stationary planetary gear member
• 6,758,785 Multi-speed transmission with three planetary gearsets and input clutches
• 6,758,784 Family of six-speed dual-clutch transmissions having a stationary planetary member and two brakes
• 6,755,765 Multi-speed dual-clutch planetary transmissions having three gear members continuously interconnected with output shaft
• 6,752,739 Transmission mechanisms with three gear sets and a stationary gear member
• 6,752,736 Multi-speed dual-clutch planetary transmissions having a stationary fourth gear set member
• 6,746,363 Multi-speed dual-clutch planetary transmission mechanisms having a stationary gear member and one brake

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