Inventor · Libertyville, IL, US

David A. Bates

13Patents
9h-index
17Co-inventors
69Inventor score

Filing activity: Nov 15, 1976 → Mar 21, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5437273A Slidable endotracheal tube holder Emerging Cross-Sectional Technologies 57 Expired
US6481986B1 Vacuum adjustment mechanism particularly adapted for a breastpump Human Necessities 49 Expired
US6387072B1 Breastpump with universal hood base and interchangeable suction hoods Human Necessities 39 Expired
US4091811A Needle cover Human Necessities 32 Expired
US4460362A Drainage system with holding chamber Human Necessities 30 Expired
US6723066B2 Breastpump with universal hood base and interchangeable suction hoods Human Necessities 23 Expired
US4693712A Bactericide valve on fluid collection bag Emerging Cross-Sectional Technologies 19 Expired
US4702740A Collection system with valve members Human Necessities 15 Expired
US5299687A Cannula adaptor delivery system Human Necessities 10 Expired
US4098455A Rotary seal distributor member for a centrifuge Performing Operations; Transporting 7 Expired
US8670867B2 Robot milking arm and a method of attaching milking cups Human Necessities 6 Active
US10186341B2 X-ray source Electricity 0 Active
US11298862B2 Molds for internal hermetic connector seals Electricity 0 Active

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