Inventor · Grand Rapids, MI, US

Charles R. DeVries

5Patents
4h-index
9Co-inventors
50Inventor score

Filing activity: Sep 4, 1981 → Apr 11, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US4441607A Mode changing means for accumulator conveyors Performing Operations; Transporting 20 Expired
US4564105A Tilted spiral article diverter Performing Operations; Transporting 6 Expired
US5810154A Low actuation force article sensor for conveyor Performing Operations; Transporting 6 Expired
US6932311B2 Compact container holder Emerging Cross-Sectional Technologies 5 Expired
US6846153B2 Tray destacker Performing Operations; Transporting 3 Expired

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