Inventor · Whitburn, GB

David E. Cross

15Patents
10h-index
7Co-inventors
65Inventor score

Filing activity: Aug 15, 1975 → Jul 21, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US4266815A Connectors Emerging Cross-Sectional Technologies 100 Expired
US4936838A Female external urinal device Human Necessities 67 Expired
US4627838A Stylet actuated winged catheter Human Necessities 51 Expired
US4868024A Medico-surgical and sanitary articles and materials Emerging Cross-Sectional Technologies 38 Expired
US4540156A Fluid flow control valve Mechanical Engineering; Lighting; Heating 29 Expired
US5015244A Adhesive ring assemblies for collection bags Human Necessities 19 Expired
USD243365S Medical airway tube separator or the like General 17 Expired
US5135199A Valves and urine bags Emerging Cross-Sectional Technologies 16 Expired
US5160330A Medico-surgical collection bag assemblies Human Necessities 14 Expired
US5009647A Water closet disposable ostomy bags and materials Performing Operations; Transporting 10 Expired
US4002075A Liquid-measuring apparatus Physics 10 Expired
US5267990A Male urine collection devices Human Necessities 10 Expired
US5304157A Medico-surgical collection bags Human Necessities 6 Expired
US7422668B2 Electrochemical cells Chemistry; Metallurgy 4 Expired
US6045540A Filtration apparatus Performing Operations; Transporting 2 Expired

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