Inventor · Norton, GB

John A. Turner

24Patents
14h-index
22Co-inventors
81Inventor score

Filing activity: Jun 24, 1976 → Nov 11, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6307099A Production of terephthalic acid Emerging Cross-Sectional Technologies 84 Expired
US5583254A Process for the production of purified terephthalic acid Chemistry; Metallurgy 77 Expired
US5527957A Process for the production of terephthalic acid Emerging Cross-Sectional Technologies 66 Expired
US5563293A Process for the production of terephthalic acid Emerging Cross-Sectional Technologies 64 Expired
US5877346A Process for the production of terephthalic acid Emerging Cross-Sectional Technologies 59 Expired
US5304676A Process for the production of terephthalic acid Emerging Cross-Sectional Technologies 56 Expired
US5679846A Process for the production of terephalic acid Emerging Cross-Sectional Technologies 55 Expired
US5840965A Process for the production of purified telephthalic acid Chemistry; Metallurgy 54 Expired
US6156395A Plasma enhanced chemical vapor deposition (PECVD) method of forming vanadium oxide films and vanadium oxide thin-films prepared thereby Emerging Cross-Sectional Technologies 48 Expired
USRE36008E Process for the production of terephthalic acid General 42 Expired
US7060853B2 Method for increasing oxidation reactor production capacity Chemistry; Metallurgy 33 Expired
US4055726A Electrical position resolving by zero-crossing delay Physics 32 Expired
US5698734A Process for the production of purified terephthalic acid Chemistry; Metallurgy 21 Expired
US5961942A Effluent gas treatment Mechanical Engineering; Lighting; Heating 15 Expired
US4635107A Electron beam position control for color display Electricity 13 Expired
US6034269A Process for producing pure carboxylic acids Chemistry; Metallurgy 11 Expired
US5121685A Can crusher Emerging Cross-Sectional Technologies 7 Expired
US6949673B2 Process for producing carboxylic acids Performing Operations; Transporting 6 Expired
US5741927A Separation process Performing Operations; Transporting 3 Expired
US8448570B1 Portable electric can crusher Performing Operations; Transporting 3 Active
US7247403B2 Surface modified stainless steels for PEM fuel cell bipolar plates Emerging Cross-Sectional Technologies 3 Expired
US9068271B2 Electrochemical nitridation of metal surfaces Emerging Cross-Sectional Technologies 1 Active
US10143999B2 Nickel having high ligand-complexation activity and methods for making the same Performing Operations; Transporting 0 Active
US9221852B2 Method for making organodiphosphites from phosphorochloridites characterized by measuring side-product levels to determine further additions Chemistry; Metallurgy 0 Active

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