Inventor · Wayland, MA, US

David A. Birkner

10Patents
6h-index
5Co-inventors
59Inventor score

Filing activity: Dec 6, 1984 → Jun 3, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US4727512A Interface adaptor emulating magnetic tape drive Physics 68 Expired
US6514461B1 System for automatically testing a fluid specimen Emerging Cross-Sectional Technologies 28 Expired
US4749990A Image display system and method Physics 25 Expired
US6716393B2 System for automatically testing a fluid specimen Emerging Cross-Sectional Technologies 14 Expired
US6964752B2 System for automatically testing a fluid specimen Emerging Cross-Sectional Technologies 10 Expired
US7943381B2 Method for testing specimens located at a plurality of service sites Emerging Cross-Sectional Technologies 8 Active
US7537733B2 System for automatically testing a fluid specimen Emerging Cross-Sectional Technologies 5 Active
US8455257B2 System for automatically testing a fluid specimen Emerging Cross-Sectional Technologies 3 Active
US8202729B2 Method for automatically testing a fluid specimen Emerging Cross-Sectional Technologies 3 Active
US9018015B2 Method of securing a chain of custody of a specimen of a donor Emerging Cross-Sectional Technologies 0 Active

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