Inventor · Oswego, IL, US

David Evans

9Patents
3h-index
10Co-inventors
54Inventor score

Filing activity: Nov 9, 1976 → Dec 28, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6979313B1 Medical device with elastomeric bulb Emerging Cross-Sectional Technologies 13 Expired
US4062612A Electrical feedthrough devices Emerging Cross-Sectional Technologies 6 Expired
US4108529A Electrical feedthrough devices Electricity 5 Expired
US7875003B2 Medical device with elastomeric bulb Emerging Cross-Sectional Technologies 2 Active
US10927523B2 Cross-members and pin couplers for lift arms Fixed Constructions 1 Active
US8241247B2 Medical device with elastomeric bulb Emerging Cross-Sectional Technologies 1 Active
US11661723B1 Variable system pressure based on implement position Mechanical Engineering; Lighting; Heating 0 Active
US11680381B2 Variable system pressure based on implement position Mechanical Engineering; Lighting; Heating 0 Active
US8641665B2 Medical device with elastomeric bulb Emerging Cross-Sectional Technologies 0 Active

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