John Grabowski
20Patents
10h-index
20Co-inventors
71Inventor score
Filing activity: Nov 4, 1991 → May 19, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6777904B1 | Method and system for controlling a motor | Emerging Cross-Sectional Technologies | 156 | Expired |
| US6089344A | Method and apparatus for determining the center position of a steering system | Performing Operations; Transporting | 71 | Expired |
| US6069460A | Method for controlling an electro-hydraulic power assist steering system | Performing Operations; Transporting | 20 | Expired |
| US7970528B2 | Gaseous fuel management system for automotive vehicle | Emerging Cross-Sectional Technologies | 16 | Active |
| US6727670B1 | Battery current limiter for a high voltage battery pack in a hybrid electric vehicle powertrain | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5254926A | Current-mode hysteresis control for controlling a motor | Electricity | 14 | Expired |
| US7021255B2 | Initialization of electromechanical valve actuator in an internal combustion engine | Electricity | 13 | Expired |
| US6023558A | Graphics compression for an emulation system | Physics | 11 | Expired |
| US6101435A | Method for compensating a power assist steering system control signal | Performing Operations; Transporting | 11 | Expired |
| US7167793B1 | Engine position correction | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6073721A | Method for limiting hydraulic assist in a power assist steering system | Performing Operations; Transporting | 10 | Expired |
| US7054737B2 | Power electronics circuit with voltage regulator for electromechanical valve actuator of an internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7036469B2 | Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine | Electricity | 7 | Expired |
| US5159542A | Selectable hysteresis controller for pulse width modulated inverter | Electricity | 5 | Expired |
| US7367296B2 | Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine | Electricity | 4 | Expired |
| US7156082B2 | Controlling spark for an engine with controllable valves | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7082934B2 | Controlling spark for an engine with controllable valves | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7509931B2 | Power electronics circuit for electromechanical valve actuator of an internal combustion engine | Electricity | 2 | Expired |
| US7540264B2 | Initialization of electromechanical valve actuator in an internal combustion engine | Electricity | 1 | Expired |
| US6534972B1 | Magneto-resistive position sensor and variable reluctance controller interface circuit | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.