Inventor · Elkhart, IN, US

Ronald J. Wolf

28Patents
12h-index
8Co-inventors
74Inventor score

Filing activity: Jul 25, 1978 → Sep 28, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5332965A Contactless linear angular position sensor having an adjustable flux concentrator for sensitivity adjustment and temperature compensation Physics 135 Expired
US5497081A Mechanically adjustable linear-output angular position sensor Physics 113 Expired
US5757181A Electronic circuit for automatically compensating for errors in a sensor with an analog output signal Physics 88 Expired
US5719496A Dual-element proximity sensor for sensing the direction of rotation of a ferrous target wheel Physics 84 Expired
US5818223A Rotary position sensor with circular magnet Physics 78 Expired
US4970463A Temperature stable proximity sensor with sensing of flux emanating from the lateral surface of a magnet Physics 51 Expired
US6064198A Gear tooth sensor with improved resolution and stability Physics 43 Expired
US6198275A Electronic circuit for automatic DC offset compensation for a linear displacement sensor Mechanical Engineering; Lighting; Heating 26 Expired
US6753680B2 Position sensor Electricity 21 Expired
US6340884B1 Electric circuit for automatic slope compensation for a linear displacement sensor Mechanical Engineering; Lighting; Heating 20 Expired
US6703827B1 Electronic circuit for automatic DC offset compensation for a linear displacement sensor Physics 17 Expired
US7151369B1 Position sensor Physics 13 Expired
US5504424A Variable reluctance sensor utilizing a magnetic bobbin Physics 12 Expired
US4202305A Capacitor discharge ignition system with timing stabilization arrangement Emerging Cross-Sectional Technologies 10 Expired
US6252486A Planar winding structure and low profile magnetic component having reduced size and improved thermal properties Electricity 9 Expired
US6285958A Electronic circuit for automatic compensation of a sensor output signal Physics 8 Expired
US6693421B2 Position sensor assembly utilizing magnetic field variations Physics 8 Expired
US7443160B2 Position sensor Physics 6 Active
US6274939A Resin ceramic compositions having magnetic properties Electricity 6 Expired
US4449497A Capacitor discharge ignition system Mechanical Engineering; Lighting; Heating 5 Expired
US4407256A Capacitor discharge ignition system and method of manufacture thereof Mechanical Engineering; Lighting; Heating 5 Expired
US4406271A Capacitor discharge ignition system and method of manufacture thereof Mechanical Engineering; Lighting; Heating 5 Expired
US6818478B1 Resin ceramic compositions having magnetic properties Electricity 4 Expired
US7391208B2 Rotary position sensor Physics 4 Expired
US4333442A Capacitor discharge ignition system and method of manufacture thereof Mechanical Engineering; Lighting; Heating 4 Expired

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