Inventor · Oroville, CA, US

Raymond Kenneth Orr

53Patents
12h-index
33Co-inventors
84Inventor score

Filing activity: Feb 15, 1990 → Nov 2, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6980783B2 Apparatus and method of controlling low frequency load currents drawn from a DC source in a telecommunications system Electricity 180 Expired
US7876583B2 Flyback power supply with forced primary regulation Emerging Cross-Sectional Technologies 50 Active
US4996638A Method of feedback regulating a flyback power converter Electricity 49 Expired
US8115457B2 Method and apparatus for implementing a power converter input terminal voltage discharge circuit Electricity 41 Active
US6771518B2 DC converters Electricity 40 Expired
US7885085B2 Cascaded PFC and resonant mode power converters Emerging Cross-Sectional Technologies 38 Active
US5079455A Surge current-limiting circuit for a large-capacitance load Emerging Cross-Sectional Technologies 32 Expired
US6850048B2 Power supply controller Electricity 30 Expired
US8379420B2 Controller with punctuated switching control circuit Emerging Cross-Sectional Technologies 15 Active
US7579814B2 Power converter with snubber Electricity 13 Active
US8243477B2 Flyback power supply with forced primary regulation Emerging Cross-Sectional Technologies 13 Active
US5977753A Buck regulator with plural outputs Electricity 12 Expired
US8000115B2 Flyback power supply with forced primary regulation Emerging Cross-Sectional Technologies 10 Active
US8624562B2 Method and apparatus for implementing a power converter input terminal voltage discharge circuit Electricity 10 Active
US8300429B2 Cascaded PFC and resonant mode power converters Emerging Cross-Sectional Technologies 9 Active
US7332358B2 MOSFET temperature sensing Electricity 9 Expired
US9065340B2 Method and apparatus for implementing a power converter input terminal voltage discharge circuit Electricity 7 Active
US8508958B2 LLC controller with programmable fractional burst frequency Emerging Cross-Sectional Technologies 7 Active
US8614615B2 Energy transfer assembly with tuned leakage inductance and common mode noise compensation Emerging Cross-Sectional Technologies 7 Active
US9742194B2 Photovoltaic power system inverter detection Emerging Cross-Sectional Technologies 6 Active
US9735665B2 Method and apparatus for implementing a power converter input terminal voltage discharge circuit Electricity 6 Active
US9673721B2 Switching synchronization for isolated electronics topologies Emerging Cross-Sectional Technologies 6 Active
US7952892B2 DC converters with constant and variable duty ratio switching Electricity 5 Active
US6911746B2 Signal and power transformer coupling arrangements Physics 5 Expired
US7723929B2 Variable inductive power supply arrangement for cold cathode fluorescent lamps Electricity 5 Active

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