Inventor · Southfield, MI, US

Charles E. Zimmerman

11Patents
7h-index
22Co-inventors
62Inventor score

Filing activity: Mar 7, 1988 → Oct 18, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5778157A System and method for expert system analysis using quiescent and parallel reasoning and set structured knowledge representation Emerging Cross-Sectional Technologies 106 Expired
US5377116A Method and system for designing a cutting tool Emerging Cross-Sectional Technologies 96 Expired
US6389405B1 Processing system for identifying relationships between concepts Emerging Cross-Sectional Technologies 87 Expired
US5995955A System and method for expert system analysis using quiescent and parallel reasoning and set structured knowledge representation Emerging Cross-Sectional Technologies 42 Expired
US4859122A Polygonal cutting insert Emerging Cross-Sectional Technologies 27 Expired
US4846609A Polygonal cutting insert Emerging Cross-Sectional Technologies 23 Expired
US5075053A Method of making cutting insert Performing Operations; Transporting 12 Expired
US6823686B2 Pressure equalization system and method Mechanical Engineering; Lighting; Heating 5 Expired
US7260951B2 Pressure equalization system Mechanical Engineering; Lighting; Heating 4 Expired
US4982830A Product feeding apparatus Emerging Cross-Sectional Technologies 4 Expired
US6584791B2 Pressure equalization system and method Mechanical Engineering; Lighting; Heating 3 Expired

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