Inventor · Marengo, IL, US

David M. Szum

30Patents
14h-index
29Co-inventors
77Inventor score

Filing activity: Aug 30, 1993 → Oct 3, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6136880A Radiation-curable liquid resin composition for coating optical fibers Emerging Cross-Sectional Technologies 48 Expired
US5664041A Coating system for glass adhesion retention Emerging Cross-Sectional Technologies 46 Expired
US6187835A Radiation-curable optical fiber coatings having reduced yellowing and fast cure speed Emerging Cross-Sectional Technologies 34 Expired
US5384342A Vinyl ether urethane silanes Emerging Cross-Sectional Technologies 33 Expired
US6359025B1 Radiation-curable liquid resin composition for coating optical fibers Chemistry; Metallurgy 31 Expired
US5502145A Coating system for glass strength retention Emerging Cross-Sectional Technologies 31 Expired
US6110593A Radiation-curable optical fiber primary coating system Emerging Cross-Sectional Technologies 30 Expired
US6298189A Radiation-curable optical glass fiber coating compositions, coated optical glass fibers, and optical glass fiber assemblies Chemistry; Metallurgy 30 Expired
US5837750A Radiation curable optical fiber coating composition Emerging Cross-Sectional Technologies 29 Expired
US6169126A Radiation-curable optical fiber primary coating system Emerging Cross-Sectional Technologies 20 Expired
US6961508B2 Coated optical fibers Emerging Cross-Sectional Technologies 18 Expired
US7171103B2 Coated optical fibers Emerging Cross-Sectional Technologies 17 Expired
US5595820A Coating system for glass strength retention Emerging Cross-Sectional Technologies 15 Expired
US6085010A Optical glass fiber ribbon assemblies and radiation-curable compositions for use in forming ribbon assemblies Emerging Cross-Sectional Technologies 15 Expired
US6355599B1 Radiation curable coating composition for superconducting wire Emerging Cross-Sectional Technologies 14 Expired
US6080483A Radiation curable optical fiber coating composition Emerging Cross-Sectional Technologies 14 Expired
US6306924A Radiation-curable glass coating composition Emerging Cross-Sectional Technologies 13 Expired
US6339666B2 Radiation-curable optical glass fiber coating compositions, coated optical glass fibers, and optical glass fiber assemblies Chemistry; Metallurgy 12 Expired
US6391459B1 Radiation curable oligomers containing alkoxylated fluorinated polyols Emerging Cross-Sectional Technologies 11 Expired
US6240230A Protective materials for optical fibers which do not substantially discolor Emerging Cross-Sectional Technologies 11 Expired
US6472450B2 Radiation-curable optical fiber coating composition Emerging Cross-Sectional Technologies 11 Expired
US6040357A Method of making a radiation-curable ink composition, radiation-curable ink composition and ribbon assembly Chemistry; Metallurgy 10 Expired
US6054217A Ribbon unit, a method of making the ribbon unit, and a method of providing mid-span access Emerging Cross-Sectional Technologies 10 Expired
US6021338A Radiation curable coating compositions for superconducting wire Emerging Cross-Sectional Technologies 8 Expired
US6680118B2 Radiation curable oligomers containing alkoxylated fluorinated polyols Emerging Cross-Sectional Technologies 7 Expired

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