Inventor · Rockford, IL, US

Fenton L. Rees

9Patents
8h-index
6Co-inventors
62Inventor score

Filing activity: Feb 4, 1983 → May 10, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US4618810A Variable speed AC motor control system Electricity 36 Expired
US5006774A Torque angle control system for controlling the torque angle of a permanent magnet synchronous motor Electricity 29 Expired
US4897583A Variable speed variable torque brushless DC motor Electricity 27 Expired
US5053688A Feedback circuit for eliminating DC offset in drive current of an AC motor Electricity 19 Expired
US8203377B2 Gate driver for enhancement-mode and depletion-mode wide bandgap semiconductor JFETs Electricity 18 Active
US5810072A Forced air cooler system Electricity 15 Expired
US5202820A Saturable inductor protection circuit for inductive load driver Electricity 10 Expired
US9019001B2 Gate driver for enhancement-mode and depletion-mode wide bandgap semiconductor JFETs Electricity 8 Active
US4967122A Digital synchronizing circuit for brushless DC motor Electricity 6 Expired

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