Inventor · Holden, MO, US

Clifford W. Karl

8Patents
7h-index
27Co-inventors
52Inventor score

Filing activity: Feb 21, 1996 → Apr 26, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US5762873A Automatic sample testing machine Emerging Cross-Sectional Technologies 134 Expired
US6156565A Incubation station for test sample cards Emerging Cross-Sectional Technologies 85 Expired
US6136270A Carousel for incubation station Emerging Cross-Sectional Technologies 48 Expired
US5965090A Vacuum loading of test sample cards in an analytical instrument Emerging Cross-Sectional Technologies 35 Expired
US5674454A Stacking disposal system for test sample cards or other similarly shaped objects Emerging Cross-Sectional Technologies 30 Expired
US5856193A Automatic sample testing method Emerging Cross-Sectional Technologies 19 Expired
US5891396A Cutting and sealing station for test sample cards in an automated analytical system Emerging Cross-Sectional Technologies 18 Expired
US5998201A Incubation station for test sample cards General 1 Revoked

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