Inventor · Mannheim, DE

Franz Schmidt

32Patents
12h-index
55Co-inventors
84Inventor score

Filing activity: Feb 13, 1975 → Nov 9, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6236199A Inductive angle sensor Physics 130 Expired
US6166535A Inductive angle sensor that adapts an oscillator frequency and phase relationship to that of an interference frequency Physics 76 Expired
US4540772A Continuous preparation of nylon from aqueous salt solution in precondensation zone having baffles Performing Operations; Transporting 62 Expired
US4537949A Continuous preparation of nylon with diamine recycling Performing Operations; Transporting 59 Expired
US6384598B1 Inductive position sensor having multiple receiving geometries Physics 46 Expired
US6255810A Inductive angle sensor having coupled oscillators with similar inductive response Physics 43 Expired
US6483295B2 Inductive linear position sensor including exciting and receiving coils and a movable induction coupling element Physics 23 Expired
US6366078B1 Inductive angle sensor with a plurality of receiving coils and an evaluation circuit Physics 22 Expired
US5037880A Highly dilatant copolymer dispersion having high continuous-load stability Chemistry; Metallurgy 17 Expired
US6384597B1 Inductive linear sensor Physics 17 Expired
US4017558A Thermoplastic molding compositions of high impact resistance Chemistry; Metallurgy 15 Expired
US5039786A Continuous preparation of copolyamides from caprolactam and salt of diamine and dicarboxylic acid Chemistry; Metallurgy 14 Expired
US6584428B1 Position sensor for a motor vehicle Physics 12 Expired
US4229553A Stabilized poly(alkylene terephthalate) molding materials Chemistry; Metallurgy 11 Expired
US6467338B1 Position sensor for a motor vehicle Physics 11 Expired
US4264762A Glass-clear nylons from 3,3'-dimethyl PACM Chemistry; Metallurgy 11 Expired
US4654396A Highly dilatant polymer dispersions with reduced temperature dependence of the critical shearing rate Chemistry; Metallurgy 10 Expired
US3963668A Reinforced polyoxymethylene molding compositions Chemistry; Metallurgy 9 Expired
US10100024B2 Process for the epoxidation of an olefin Emerging Cross-Sectional Technologies 8 Active
US6480805B1 Positioning sensor for a motor vehicle Physics 8 Expired
US4324881A Preparation of amide-containing polyethers Emerging Cross-Sectional Technologies 3 Expired
US4248996A Preparation of linear high molecular weight saturated polyesters Chemistry; Metallurgy 3 Expired
US11192794B2 Production of pulverulent, porous crystalline metal silicates by means of flame spray pyrolysis Chemistry; Metallurgy 2 Active
US4581034A Finishing leather with a synthetic carboxylated rubber dispersion Emerging Cross-Sectional Technologies 2 Expired
US3975459A Thermoplastic molding compositions of high impact resistance Emerging Cross-Sectional Technologies 2 Expired

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