Inventor · Lake Villa, IL, US

William A. Frank

22Patents
12h-index
46Co-inventors
81Inventor score

Filing activity: Dec 27, 1976 → Jun 22, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6815049B2 Gypsum-containing composition having enhanced resistance to permanent deformation Emerging Cross-Sectional Technologies 90 Expired
US7364676B2 Slurry spreader for cementitious board production Performing Operations; Transporting 53 Expired
US4149235A Computer numerical control system for machine tool Physics 49 Expired
US7296834B2 Air-powered vacuum tool for handling multiple workpieces Performing Operations; Transporting 39 Expired
US8062741B2 Cement based laminated armor panels Emerging Cross-Sectional Technologies 33 Active
US8925677B2 Gypsum-panel acoustical monolithic ceiling Fixed Constructions 28 Active
US8684134B2 Gypsum-panel acoustical monolithic ceiling Fixed Constructions 24 Active
US7153085B2 Multi-modal package handling tool and system Performing Operations; Transporting 23 Expired
US7309203B2 Multi-modal container handling system Performing Operations; Transporting 16 Expired
US7513963B2 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels Emerging Cross-Sectional Technologies 16 Active
US7475599B2 Wet slurry thickness gauge and method for use of same Physics 16 Active
US8061257B2 Cement based armor panel system Emerging Cross-Sectional Technologies 14 Active
US7754052B2 Process and apparatus for feeding cementitious slurry for fiber-reinforced structural cement panels Performing Operations; Transporting 12 Active
US8734613B1 Glass fiber enhanced mineral wool based acoustical tile Emerging Cross-Sectional Technologies 10 Active
US9909310B2 Mineral fiber based ceiling tile Emerging Cross-Sectional Technologies 9 Active
US9896807B2 Acoustical ceiling tile Emerging Cross-Sectional Technologies 9 Active
US8137490B2 Process of manufacturing cement based armor panels Emerging Cross-Sectional Technologies 7 Active
US8770139B2 Apparatus for feeding cementitious slurry onto a moving web Emerging Cross-Sectional Technologies 6 Active
US9796635B1 Large diameter slag wool, composition and method of making same Emerging Cross-Sectional Technologies 3 Active
US7513768B2 Embedment roll device Performing Operations; Transporting 2 Active
US10546514B2 Mobile demonstration device for sound-reducing tiles Physics 1 Active
US8801902B1 Water reduction by modulating vacuum Textiles; Paper 0 Active

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