Inventor · Essen, DE

Werner Schafer

25Patents
9h-index
50Co-inventors
78Inventor score

Filing activity: May 26, 1972 → Aug 6, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US4362737A Transdermal carrier materials Chemistry; Metallurgy 34 Expired
US5034084A Method for obtaining marbleized coatings on sheet-like materials and synthetic resin-containing support sheets suitable for this purpose Emerging Cross-Sectional Technologies 31 Expired
US4798759A Multi-layer polyester film for magnetic tape Emerging Cross-Sectional Technologies 31 Expired
US4724501A Jacket for floppy disk Physics 25 Expired
US5279878A Flame barrier made of nonwoven fabric Emerging Cross-Sectional Technologies 23 Expired
US4447587A Process for the preparation of a polyolefin, and a catalyst for this process Chemistry; Metallurgy 17 Expired
US5534325A Flame barrier comprising a nonwoven fabric layer containing phenolic, para-aramid or melamine staple fibers in combination with vermiculite Emerging Cross-Sectional Technologies 15 Expired
US4818440A Novel polyether carboxylic acid derivatives, as well as their uses Chemistry; Metallurgy 12 Expired
US5298284A Method of making a swelling cable wrap Emerging Cross-Sectional Technologies 10 Expired
US5498471A Flame-resistant substrate for flexible circuit boards Emerging Cross-Sectional Technologies 9 Expired
US5229192A Flame-resistant cover film for flexible circuit boards Emerging Cross-Sectional Technologies 8 Expired
US5019198A Method for the decorative surface coating of flat substrates Emerging Cross-Sectional Technologies 7 Expired
USD290022S Book cover General 6 Expired
US7815887B2 Conductive nonwoven fabric Emerging Cross-Sectional Technologies 5 Active
US4120837A Organosiloxanes useful in molding compositions based on unsaturated polyesters and unsaturated monomers Chemistry; Metallurgy 5 Expired
US4448944A Process for the preparation of a polyolefin, and a catalyst for this process Chemistry; Metallurgy 5 Expired
US5418311A Method for the synthesis of polymers, which have polyurethane and/or polyurea groups Chemistry; Metallurgy 4 Expired
US6407019B1 Preform material for manufacturing a protective garment, and method for manufacturing it Emerging Cross-Sectional Technologies 4 Expired
US4207379A Substrate web coated with a thermosetting coating resin Emerging Cross-Sectional Technologies 3 Expired
US4579776A Backing sheet for the weathering-proof coating of thin, plane backing in continuous presses without recooling Emerging Cross-Sectional Technologies 3 Expired
US4113537A Heat resistant nonwoven fabric and method of manufacturing same Emerging Cross-Sectional Technologies 2 Expired
US6743835B2 Preparation of nondusting free-flowing pigment concentrates Chemistry; Metallurgy 1 Expired
US4061710A Molded articles Chemistry; Metallurgy 1 Expired
US4045274A Apparatus for surface treatment of wooden panels Performing Operations; Transporting 0 Expired
US4004913A Selective herbicidal compositions Chemistry; Metallurgy 0 Expired

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