Patent assignee · US · INDIVIDUAL

Robert D. Turner

5Patents
2Active
5Granted
36Portfolio score

Filing activity: Apr 18, 1989 → Nov 5, 2014 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5104380A Syringe with dose metering device Human Necessities 518 Expired
US6537337B2 Air filter for extraction apparatus Performing Operations; Transporting 3 Expired
US5977891A Base four serial communication system Electricity 2 Expired
US7548942B2 Base four processor Physics 1 Active
US9227340B2 Hanging concrete mixer barrel wiper Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.