Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736752 | Family of multi-speed transmissions with three planetary gearsets | Patrick B. Usoro, Madhusudan Raghavan | 2004-05-18 |
| 6716130 | Family of multi-speed transmissions with interconnected planetary gearsets and a plurality of input clutches | Norman K. Bucknor, Madhusudan Raghavan, Patrick B. Usoro, Chunhao J. Lee | 2004-04-06 |
| 6716131 | Family of multi-speed power transmissions with three gearsets | Patrick B. Usoro, Madhusudan Raghavan | 2004-04-06 |
| 6709359 | Family of multi-speed transmission mechanisms having three planetary gear sets and five torque-transmitting mechanisms | Patrick B. Usoro, Madhusudan Raghavan | 2004-03-23 |
| 6709358 | Family of multi-speed transmission mechanisms having three planetary gearsets and five torque-transmitting mechanisms | Madhusudan Raghavan, Patrick B. Usoro | 2004-03-23 |
| 6705967 | Six-speed transmission with three planetary gear sets and five torque transmitting mechanisms | Madhusudan Raghavan, Patrick B. Usoro, Raymond J. Haka | 2004-03-16 |
| 6679803 | Family of multi-speed power transmission mechanisms having three interconnected planetary gearsets | Madhusudan Raghavan, Patrick B. Usoro | 2004-01-20 |
| 6679802 | Family of multi-speed planetary transmission mechanisms having fixed interconnections and six torque-transmitting mechanisms | Madhusudan Raghavan, Patrick B. Usoro | 2004-01-20 |
| 6672988 | Multi-speed planetary transmissions with a stationary member | Madhusudan Raghavan, Patrick B. Usoro | 2004-01-06 |
| 6652411 | Multi-speed transmission family with three planetary gear sets and five rotating torque transmitting mechanisms | Madhusudan Raghavan, Patrick B. Usoro | 2003-11-25 |
| 6652409 | Family of multi-speed planetary transmission mechanisms having four clutches and two brakes | Patrick B. Usoro, Madhusudan Raghavan | 2003-11-25 |
| 6648793 | Multi-speed planetary transmissions with fixed input and stationary members | Madhusudan Raghavan, Patrick B. Usoro, Norman K. Bucknor | 2003-11-18 |
| 6648789 | Multi-speed transmissions with three interconnected planetary gear sets | Patrick B. Usoro, Madhusudan Raghavan | 2003-11-18 |
| 6648791 | Family of multi-speed power transmission mechanisms having three planetary gear sets | Patrick B. Usoro, Madhusudan Raghavan | 2003-11-18 |
| 6645115 | Family of multi-speed power transmission mechanisms having three planetary gearsets and five torque-transmitting mechanisms | Patrick B. Usoro, Madhusudan Raghavan | 2003-11-11 |
| 6623398 | Multi-speed power transmission with three planetary gear sets | Madhusudan Raghavan, Patrick B. Usoro | 2003-09-23 |
| 6620075 | Multi-speed transmission mechanisms with three planetary gearsets and input clutches | Madhusudan Raghavan, Patrick B. Usoro, Chunhao J. Lee, Norman K. Bucknor | 2003-09-16 |
| 6595892 | Multi-speed transmission family with three planetary gear sets and five rotating torque transmitting mechanisms | Madhusudan Raghavan, Patrick B. Usoro | 2003-07-22 |
| 6589129 | Powertrain having a multi-speed transmission with three planetary gear sets | Patrick B. Usoro, Madhusudan Raghavan | 2003-07-08 |
| 6530858 | Family of multi-speed planetary power transmission mechanisms having three planetary gearsets | Patrick B. Usoro, Madhusudan Raghavan | 2003-03-11 |
| 6514170 | Family of multi-speed transmission mechanisms having three planetary gear sets and five torque-transmitting mechanisms | Patrick B. Usoro, Madhusudan Raghavan | 2003-02-04 |
| 6371267 | Liquid cooled magnetorheological fluid clutch for automotive transmissions | Patrick B. Usoro, Andrew L. Bartos, Anthony L. Smith | 2002-04-16 |
| 6318531 | Magnetorheological fluid clutch | Patrick B. Usoro, Anthony L. Smith, George Moser, Gordon M. Sommer | 2001-11-20 |
| 5282401 | Adaptive electronic control of power-on upshifting in an automatic transmission | Kumaraswamy V. Hebbale, Dean E. McCulloch | 1994-02-01 |