Inventor · Garrettsville, OH, US

Jack M. Strok

17Patents
7h-index
14Co-inventors
63Inventor score

Filing activity: Aug 2, 1976 → Nov 24, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5549746A Solid state thermal conversion of polycrystalline alumina to sapphire using a seed crystal Chemistry; Metallurgy 76 Expired
US5952768A Transparent heat conserving coating for metal halide arc tubes Electricity 16 Expired
US5353210A Reflector lamp with low UV emission Mechanical Engineering; Lighting; Heating 16 Expired
US4052636A High pressure sodium vapor lamp stabilized for pulse operation Electricity 10 Expired
US6538377B1 Means for applying conducting members to arc tubes Electricity 9 Expired
US4061939A Low noise sodium vapor lamp for sonic pulse operation Electricity 9 Expired
US4868457A Ceramic lamp end closure and inlead structure Electricity 7 Expired
US4342938A Universal burning ceramic lamp Electricity 7 Expired
US5336968A DC operated sodium vapor lamp Electricity 6 Expired
US4599543A Time fuse for high pressure sodium lamps Electricity 5 Expired
US4580075A High pressure sodium lamp having improved coloring rendition Electricity 5 Expired
US7063586B2 Ceramic discharge chamber for a discharge lamp Electricity 3 Expired
US6639362B1 High pressure discharge lamp Chemistry; Metallurgy 3 Expired
US4961020A Sodium vapor lamp for sonic pulse operation Electricity 2 Expired
US6157132A Discharge lamp emission material Electricity 2 Expired
US4382205A Metal vapor arc lamp having thermal link diminishable in heat conduction Electricity 2 Expired
US6498429B1 Sodium-xenon lamp with improved characteristics at end-of-life Electricity 1 Expired

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