Inventor · Sandy, UT, US

David Duffin

8Patents
5h-index
6Co-inventors
45Inventor score

Filing activity: Nov 4, 2004 → Oct 2, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US7177716B2 Methods and apparatus for material control system interface Emerging Cross-Sectional Technologies 15 Expired
US7413069B2 Methods and apparatus for transferring a substrate carrier within an electronic device manufacturing facility Electricity 11 Expired
US7218983B2 Method and apparatus for integrating large and small lot electronic device fabrication facilities Emerging Cross-Sectional Technologies 9 Expired
US7434676B2 Methods and apparatus for transferring a substrate carrier within an electronic device manufacturing facility Electricity 8 Active
US7603195B2 Methods and apparatus for integrating large and small lot electronic device fabrication facilities Emerging Cross-Sectional Technologies 7 Active
US7522969B2 Methods and apparatus for material control system interface Emerging Cross-Sectional Technologies 3 Active
US8024065B2 Methods and apparatus for transferring a substrate carrier within an electronic device manufacturing facility Electricity 2 Active
US7603196B2 Methods and apparatus for material control system interface Emerging Cross-Sectional Technologies 2 Active

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