Inventor · Rochester, MN, US

Alexander Cook

132Patents
21h-index
60Co-inventors
93Inventor score

Filing activity: Feb 18, 1987 → Apr 20, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7352154B2 Electrical system control for a vehicle Emerging Cross-Sectional Technologies 241 Expired
US5430362A Engine starting system utilizing multiple controlled acceleration rates Mechanical Engineering; Lighting; Heating 113 Expired
US10049136B1 Managing a stream computing environment using a projected database object Physics 102 Active
US6483731B1 Alexander topology resonance energy conversion and inversion circuit utilizing a series capacitance multi-voltage resonance section Emerging Cross-Sectional Technologies 100 Expired
US5581168A Starter/generator system with DC link current control Electricity 82 Expired
US5055764A Low voltage aircraft engine starting system Mechanical Engineering; Lighting; Heating 72 Expired
US5097195A AC exciter for VSCF starter/generator Mechanical Engineering; Lighting; Heating 63 Expired
US4786852A Inverter operated turbine engine starting system Mechanical Engineering; Lighting; Heating 62 Expired
US4908565A Power generating system Electricity 57 Expired
US7057376B2 Power management system for vehicles Electricity 57 Expired
US5309081A Power conversion system with dual permanent magnet generator having prime mover start capability Mechanical Engineering; Lighting; Heating 55 Expired
US4922400A Neutral forming circuit Emerging Cross-Sectional Technologies 51 Expired
US4967334A Inverter input/output filter system Electricity 48 Expired
US7806095B2 Vehicle starting assist system Mechanical Engineering; Lighting; Heating 31 Active
USD499074S1 Enclosure for electronic equipment General 30 Expired
US5132894A Electric power generating system with active damping Electricity 27 Expired
US4964027A High efficiency power generating system Electricity 24 Expired
US5218520A VSCF system with reduced DC link ripple Electricity 24 Expired
US4977492A Suppression of switching harmonics Electricity 24 Expired
US4994956A Enhanced real time control of PWM inverters Electricity 24 Expired
US4866591A Regulated transformer rectifier unit Electricity 23 Expired
US5043857A Real-time control of PWM inverters by pattern development from stored constants Electricity 18 Expired
US5055992A Control for full-bridge inverter Electricity 18 Expired
US5038095A Control for a DC link power conversion system Electricity 18 Expired
US5053939A Control of PWM inverters by pattern development from stored constants relating D.C. link harmonics to output distortion Electricity 17 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.