Inventor · Mayfield, OH, US

Thomas Derkacs

6Patents
6h-index
5Co-inventors
48Inventor score

Filing activity: Jul 11, 1978 → Nov 27, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US4709156A Method and apparatus for inspecting a surface Physics 195 Expired
US4660419A Reference standard for calibration of ultrasonic arrays Physics 46 Expired
US4523468A Phased array inspection of cylindrical objects Physics 42 Expired
US4358471A Control apparatus Emerging Cross-Sectional Technologies 26 Expired
US4334495A Method and apparatus for use in making an object Emerging Cross-Sectional Technologies 11 Expired
US4411940A Airfoil Emerging Cross-Sectional Technologies 10 Expired

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