Inventor · Royersford, PA, US

James P. Steiner

137Patents
22h-index
60Co-inventors
93Inventor score

Filing activity: Jul 12, 1990 → Apr 22, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7330004B2 Method and apparatus for quiet variable motor speed control Emerging Cross-Sectional Technologies 1,460 Active
US8009042B2 Radio-frequency lighting control system with occupancy sensing Emerging Cross-Sectional Technologies 414 Active
US8451116B2 Wireless battery-powered daylight sensor Emerging Cross-Sectional Technologies 308 Active
US8410706B2 Method of calibrating a daylight sensor Emerging Cross-Sectional Technologies 301 Active
US8228184B2 Battery-powered occupancy sensor Emerging Cross-Sectional Technologies 284 Active
US7940167B2 Battery-powered occupancy sensor Emerging Cross-Sectional Technologies 175 Active
US6798211B1 Power line fault detector and analyzer Physics 113 Expired
US9084310B2 Method and apparatus for adjusting an ambient light threshold Emerging Cross-Sectional Technologies 79 Active
US7872429B2 Multiple location load control system Emerging Cross-Sectional Technologies 75 Active
US8760293B2 Wireless sensor having a variable transmission rate Emerging Cross-Sectional Technologies 71 Active
US7423413B2 Power supply for a load control device Electricity 59 Active
US9148937B2 Radio-frequency lighting control system with occupancy sensing Emerging Cross-Sectional Technologies 58 Active
US5083086A Differential arc reflectometry Physics 57 Expired
US8068014B2 System for control of lights and motors Electricity 55 Active
US9736911B2 Digital load control system providing power and communication via existing power wiring Emerging Cross-Sectional Technologies 45 Active
US7489094B2 Method and apparatus for quiet fan speed control Emerging Cross-Sectional Technologies 44 Active
US8723447B2 Wireless battery-powered daylight sensor Emerging Cross-Sectional Technologies 43 Active
US9277629B2 Radio-frequency lighting control system with occupancy sensing Emerging Cross-Sectional Technologies 42 Active
US9035769B2 Radio-frequency lighting control system with occupancy sensing Emerging Cross-Sectional Technologies 36 Active
US10756662B2 Motor control device Electricity 32 Active
US10264651B2 Load control system having a visible light sensor Emerging Cross-Sectional Technologies 29 Active
US8471687B2 Method and apparatus for communicating message signals in a load control system Electricity 26 Active
US9386669B2 Controlling light intensity at a location Emerging Cross-Sectional Technologies 20 Active
US7671549B2 Method and apparatus for quiet fan speed control Emerging Cross-Sectional Technologies 19 Active
US8963440B2 Two-wire dimmer switch for controlling low-power loads Electricity 18 Active

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