Inventor

Eric Holroyd

20Patents
8h-index
10Co-inventors
72Inventor score

Filing activity: Jul 8, 1974 → Nov 15, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US4738738A Manufacture of vehicle tires Performing Operations; Transporting 15 Expired
US4743322A Molding of elastomeric material components Performing Operations; Transporting 12 Expired
US4602973A Manufacture of non-woven fabric Performing Operations; Transporting 12 Expired
US5114512A Bead filler construction Performing Operations; Transporting 12 Expired
US4409059A Reinforced structures Emerging Cross-Sectional Technologies 10 Expired
US4983239A Method of manufacture of tire using an annular mold to form a multi-component subassembly Performing Operations; Transporting 9 Expired
US4992035A Vehicle tire mold Performing Operations; Transporting 8 Expired
US5100490A Method for constructing a bead reinforcement with alternate windings of polymeric material and axially spaced apart windings of a wire Emerging Cross-Sectional Technologies 8 Expired
US4399187A Reinforced articles Emerging Cross-Sectional Technologies 6 Expired
US4967821A Pneumatic tire having carcass ply end portions anchored in each bead bundle Performing Operations; Transporting 5 Expired
US4057447A Manufacture of pneumatic tires Performing Operations; Transporting 4 Expired
US4401493A Reinforced structures Emerging Cross-Sectional Technologies 4 Expired
US4929292A Method for the manufacture of a pneumatic tire Performing Operations; Transporting 4 Expired
US4921673A Method of manufacture of tires and apparatus therefore Performing Operations; Transporting 3 Expired
US5098768A Flexible reinforced polymeric material and a method of forming such a material Emerging Cross-Sectional Technologies 3 Expired
US5190605A Apparatus and method for manufacturing two pneumatic tires Performing Operations; Transporting 2 Expired
US5127978A Tire building form having coaxial discs Performing Operations; Transporting 2 Expired
US5626806A Carbon black incorporation in polymeric material Performing Operations; Transporting 1 Expired
US5045376A Reinforced polymeric article Emerging Cross-Sectional Technologies 0 Expired
US3997641A Method of manufacturing tire inner tubes Performing Operations; Transporting 0 Expired

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