Walt Ortmann
18Patents
9h-index
30Co-inventors
68Inventor score
Filing activity: Dec 10, 2003 → Jun 9, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8308182B2 | Trailer connection assist system | Performing Operations; Transporting | 81 | Active |
| US7608011B2 | Hydrogen fuelled hybrid powertrain and vehicle | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7331899B2 | Hybrid vehicle powertrain with a multiple-ratio power transmission mechanism | Emerging Cross-Sectional Technologies | 22 | Active |
| US7223201B2 | Control of power-on downshifts in a multiple-ratio powertrain for a hybrid vehicle | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7240751B2 | Dual rotor motor for a hybrid vehicle transmission | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7261671B2 | Hybrid vehicle powertrain with a multiple-ratio power transmission mechanism | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7676313B2 | Target speed control strategy for power-off shifts in a hybrid electric vehicle | Emerging Cross-Sectional Technologies | 17 | Active |
| US6974402B2 | Launch control of hybrid electric vehicle having a torque converterless driveline | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7682285B2 | Converterless transmission shift control system | Emerging Cross-Sectional Technologies | 10 | Active |
| US7350602B2 | System and method for engine start detection for hybrid vehicles | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9108501B2 | Multi-mode powersplit powertrain for electric vehicle | Emerging Cross-Sectional Technologies | 7 | Active |
| US8384237B2 | Low voltage bus stability | Electricity | 7 | Active |
| US8849518B2 | Method and system for automatic wheel positioning | Physics | 6 | Active |
| US7326149B2 | Converterless transmission shift control system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8740739B2 | Reconfigurable powersplit powertrain for an electric vehicle | Emerging Cross-Sectional Technologies | 4 | Active |
| US9493148B2 | Torque modulation in a hybrid vehicle downshift during regenerative braking | Emerging Cross-Sectional Technologies | 4 | Active |
| US10632989B2 | System and method for operating a vehicle powertrain | Emerging Cross-Sectional Technologies | 0 | Active |
| US10336315B2 | Torque modulation in a hybrid vehicle downshift during regenerative braking | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.