Inventor · Philadelphia, PA, US

Carl C. Beer

8Patents
7h-index
9Co-inventors
52Inventor score

Filing activity: Nov 5, 1974 → Dec 26, 1989

Most-cited inventions

PatentTitleAreaCited byStatus
US4788993A Vehicle reciprocating spray washing apparatus Performing Operations; Transporting 20 Expired
US4338698A Vehicle cleaning brush having limited penetration Emerging Cross-Sectional Technologies 18 Expired
US4981523A Vehicle cleaning system and method Emerging Cross-Sectional Technologies 17 Expired
US3956129A Waste treatment apparatus Chemistry; Metallurgy 13 Expired
US4981151A Expandable guide rail for an automatic car wash conveyor Performing Operations; Transporting 11 Expired
US4603447A Disk type brush Emerging Cross-Sectional Technologies 7 Expired
US4207643A Dry wiping system for vehicles Performing Operations; Transporting 7 Expired
US4744122A Scrubbing apparatus for vehicles Emerging Cross-Sectional Technologies 4 Expired

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