Inventor · Dover, NH, US

William M. Humphrey

19Patents
9h-index
20Co-inventors
72Inventor score

Filing activity: May 15, 1974 → May 8, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5580501A Method of manufacturing an interior trim panel using polyurethane powder Performing Operations; Transporting 39 Expired
US5567375A Method for casting a thermoplastic automotive air bag cover skin with a lesser strength thermoplastic tear seam strip insert Performing Operations; Transporting 31 Expired
US5824738A Light stable aliphatic thermoplastic urethane elastomers and method of making same Chemistry; Metallurgy 27 Expired
US5512233A Method of making a panel with a spray formed skin Emerging Cross-Sectional Technologies 23 Expired
US6187859A Light stable aliphatic thermoplastic urethane elastomers and method of making same Chemistry; Metallurgy 20 Expired
US5562883A Solvent flush reaction injection molding mixhead Performing Operations; Transporting 16 Expired
US5232957A RIM molded energy absorbing polyurethane foam Chemistry; Metallurgy 15 Expired
US5530057A Filled aliphatic thermoplastic urethane automotive air bag door tear seam insert Performing Operations; Transporting 13 Expired
US6440541B1 Top coat for metallic island coating system Emerging Cross-Sectional Technologies 12 Expired
US3933938A Grafted polyether diol-based thermoplastic urethane elastomer Chemistry; Metallurgy 9 Expired
US5121942A Airbag cover assembly and method of forming same Performing Operations; Transporting 9 Expired
US3933937A Molding-grade polyurethane Chemistry; Metallurgy 8 Expired
US4578447A Rim nylon-based urethane block polymer composition Emerging Cross-Sectional Technologies 3 Expired
US8129015B2 Modified moldable urethane with tunable haptics Chemistry; Metallurgy 1 Active
US7833623B2 Modified slush moldable TPU for instrument panels with seamless airbag deployment capability Emerging Cross-Sectional Technologies 1 Active
US6562268B1 Interior trim panels and method for manufacturing such panels using silaceous materials Performing Operations; Transporting 1 Expired
US9796807B2 Thermoplastic polyurethane copolymer molding compositions Emerging Cross-Sectional Technologies 0 Active
US10683417B2 Method for making thermoplastic aliphatic urethane/urea elastomers and molding compositions Emerging Cross-Sectional Technologies 0 Active
US9708438B2 Thermoplastic polyurethane copolymer molding compositions Emerging Cross-Sectional Technologies 0 Active

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