Inventor · Starnberg, DE

Werner Schmitt

46Patents
16h-index
39Co-inventors
81Inventor score

Filing activity: Oct 10, 1973 → Dec 1, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US4376835A Calcium depleted aluminum fluorosilicate glass powder for use in dental or bone cements Emerging Cross-Sectional Technologies 152 Expired
US4360605A Mixing component for dental glass ionomer cements Human Necessities 75 Expired
US5472991A Two-stage photocuring process for a dental composition Emerging Cross-Sectional Technologies 73 Expired
US4723661A Rotary puck conveying, accumulating and qualifying mechanism Emerging Cross-Sectional Technologies 55 Expired
US4131729A Dental compositions comprising acrylic esters of tricyclo [5.2.1.0.sup.2,6 ] decane polymers Emerging Cross-Sectional Technologies 45 Expired
US4167618A Polymerization process for aziridine compounds Chemistry; Metallurgy 31 Expired
US4389497A Use of agglomerates of silicic acid as fillers in dental materials Chemistry; Metallurgy 31 Expired
US4022391A Spooling machine system and method to wind multi-layer spools, particularly for wire, tape and the like Performing Operations; Transporting 27 Expired
US4189365A Photopolymerizable compositions based on acrylic or methacrylic acid esters containing organic phosphites Chemistry; Metallurgy 26 Expired
US4795823A (Meth)acrylic acid esters and the use thereof for preparing dental compositions Emerging Cross-Sectional Technologies 24 Expired
US5236077A Linear feeder Performing Operations; Transporting 23 Expired
US4388989A Continuous rotary method of transporting articles Performing Operations; Transporting 20 Expired
US4116788A Process for the photopolymerization of acrylic acid ester-containing compositions Chemistry; Metallurgy 19 Expired
US4372836A Light curable acrylic dental composition with calcium fluoride pigment Human Necessities 17 Expired
US4443587A 1,2,6-Thiadiazine-3,5-dione-1,1-dioxides and their use as polymerization accelerators Chemistry; Metallurgy 17 Expired
US4544742A 1,2,6-Thiadiazine-3,5-dione-1,1-dioxides Chemistry; Metallurgy 16 Expired
US4828100A Rotating ring orienting feeder Performing Operations; Transporting 15 Expired
US4493911A Nonadhesive impression material Chemistry; Metallurgy 12 Expired
US5309777A Measuring instrument particularly useful for measuring waste gases from heating installations Physics 12 Expired
US4821920A Method and apparatus for loading articles onto feeder by elevating ramp segments Performing Operations; Transporting 11 Expired
US5853077A Article handling device, combination and methods Performing Operations; Transporting 11 Expired
US4067853A Compositions of bishydroxysubstitutedary di acrylates for prosthodontia Emerging Cross-Sectional Technologies 11 Expired
US4093555A Production of dental models and tooth replacement parts Emerging Cross-Sectional Technologies 11 Expired
US3986998A Mixing liquid for silicate cements Chemistry; Metallurgy 11 Expired
US5333716A Linear feeder for varying size articles Performing Operations; Transporting 10 Expired

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