Inventor · Loveland, OH, US

Robert A. Lehmkuhl

11Patents
9h-index
2Co-inventors
62Inventor score

Filing activity: Nov 21, 1977 → Dec 14, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US4778313A Intelligent tool system Emerging Cross-Sectional Technologies 39 Expired
US5842605A Resuable dispenser for paste, lotion and cream-like materials Performing Operations; Transporting 23 Expired
US4944643A Torque thrust and surface sensing device Emerging Cross-Sectional Technologies 21 Expired
US4752166A Probing device Emerging Cross-Sectional Technologies 19 Expired
US4612831A Automatic boring tool Emerging Cross-Sectional Technologies 16 Expired
US6938800B1 Automatic dispensing cap for squeezable bottle Performing Operations; Transporting 15 Expired
US4579487A Tool adapter Emerging Cross-Sectional Technologies 15 Expired
US4784539A Tool communications method Emerging Cross-Sectional Technologies 14 Expired
US4149822A Headstock balancing arrangement for machine tools Emerging Cross-Sectional Technologies 13 Expired
US8499985B2 Automatic dispensing cap for squeezable bottle Performing Operations; Transporting 3 Active
US7721918B1 Automatic dispensing cap for squeezable bottle Performing Operations; Transporting 2 Expired

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