Inventor · Kalamazoo, MI, US

Richard Grau

4Patents
4h-index
2Co-inventors
36Inventor score

Filing activity: Feb 25, 1981 → Apr 18, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4809742A Control valve assembly including valve position sensor Emerging Cross-Sectional Technologies 66 Expired
US4396995A Adapter for interfacing between two buses Physics 30 Expired
US4825904A Two position flow control valve assembly with position sensing Emerging Cross-Sectional Technologies 28 Expired
US4510403A Limited angle torque motor with magnetic centering and stops Electricity 23 Expired

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