Patrick B. Usoro
205Patents
31h-index
45Co-inventors
86Inventor score
Filing activity: Sep 8, 1997 → Aug 30, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6623397B1 | Family of multi-speed transmission mechanisms with three non-continuously interconnected planetary gear sets | Mechanical Engineering; Lighting; Heating | 158 | Expired |
| US6422969B1 | Powertrain with a six speed planetary transmission having three planetary gear sets | Mechanical Engineering; Lighting; Heating | 152 | Expired |
| US7547264B2 | Starter alternator accessory drive system for a hybrid vehicle | Emerging Cross-Sectional Technologies | 133 | Active |
| US6371267B1 | Liquid cooled magnetorheological fluid clutch for automotive transmissions | Mechanical Engineering; Lighting; Heating | 82 | Expired |
| US7753147B2 | Vehicle drive system, power management device, and method for managing power | Emerging Cross-Sectional Technologies | 60 | Active |
| US7479080B2 | Hybrid architecture incorporating three motor generators and brakes | Emerging Cross-Sectional Technologies | 56 | Active |
| US6530858B1 | Family of multi-speed planetary power transmission mechanisms having three planetary gearsets | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US6659904B1 | Multi-speed planetary transmissions with three interconnected gear sets | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US6634981B1 | Family of transmission mechanisms with three planetary gear sets and a stationary member | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US6837823B2 | Six-speed dual-clutch transmissions having four planetary gear sets and two brakes | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US6746360B2 | Transmission mechanisms with clutched input and a stationary planetary gear member | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US6758784B2 | Family of six-speed dual-clutch transmissions having a stationary planetary member and two brakes | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US6669597B1 | Transmission mechanisms with three planetary gear sets and a stationary fixed interconnection | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US6743140B1 | Family of six-speed dual-clutch transmissions having two stationary planetary gear members | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US6746357B1 | Family of six-speed dual-clutch transmissions having four planetary gear sets and three brakes | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US6811512B2 | Multi-speed dual-clutch planetary transmission mechanisms having a stationary gear member and two brakes | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US6709360B2 | Family of multi-speed transmission mechanisms with three input clutches and three planetary gearsets | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US6736751B1 | Family of multi-speed dual-clutch transmissions having three interconnected planetary gear members | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US6648790B2 | Family of multi-speed transmission mechanisms having three planetary gear sets and six torque-transmitting devices | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US7192373B2 | Electrically variable transmission having two planetary gear sets with one fixed interconnection | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6743139B1 | Multi-speed dual-clutch planetary transmissions having output shaft interconnected with three gear members | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US6767307B1 | Family of multi-speed dual-clutch transmissions having four planetary gear sets and four brakes | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US6752736B1 | Multi-speed dual-clutch planetary transmissions having a stationary fourth gear set member | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US6659903B1 | Multi-speed transmissions with three gear sets and a stationary planetary member | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US6852059B2 | Six-speed dual-clutch transmissions having planetary gear sets with two interconnecting members | Mechanical Engineering; Lighting; Heating | 33 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.