Inventor · Rockford, IL, US

John J. Dhyanchand

18Patents
11h-index
15Co-inventors
65Inventor score

Filing activity: Nov 2, 1983 → Feb 24, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US4847745A Three phase inverter power supply with balancing transformer Electricity 72 Expired
US4935857A Transistor conduction-angle control for a series-parallel resonant converter Emerging Cross-Sectional Technologies 57 Expired
US4967334A Inverter input/output filter system Electricity 48 Expired
US6462429B1 Induction motor/generator system Electricity 36 Expired
US4542440A Switch current sensing with snubber current suppression in a push-pull converter Electricity 31 Expired
US4885486A Darlington amplifier with high speed turnoff Electricity 28 Expired
US5084662A Unipolar converter for variable reluctance machines Electricity 23 Expired
US4862342A DC to AC inverter with neutral having a resonant circuit Emerging Cross-Sectional Technologies 22 Expired
US4937725A Circuit for eliminating snubber current noise in the sense circuit of an H-bridge inverter Emerging Cross-Sectional Technologies 21 Expired
US5047914A Current controlled inverter Electricity 17 Expired
US4970635A Inverter with proportional base drive controlled by a current transformer Electricity 13 Expired
US4931919A System for converting variable frequency multiple phase alternating current into constant frequency multiple phase alternating current with neutral Electricity 9 Expired
US4973902A Fault detector for aircraft variable speed, constant frequency power supply Electricity 8 Expired
US5495403A Stepped-waveform power converter utilizing a summing transformer and a single inverter bridge Electricity 5 Expired
US4891532A Darlington connected switch having base drive with active turn-off Electricity 5 Expired
US4983902A Fast current discharging switch for a variable reluctance motor drive Electricity 4 Expired
US4797802A Multiple phase rectifier with active filter for removing noise in triggering signals and digital phase shift compensator for phase shifting signal passed through Electricity 4 Expired
US5036449A Power supply and method for producing high voltage high power outputs in response to variable voltage DC inputs Electricity 3 Expired

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