Patents by Inventor Joost Martinus Hermanus Parent

Joost Martinus Hermanus Parent has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6978690
    Abstract: An apparatus for the internal inspection of pipes and tubes or the like, comprising an ultrasonic measuring head and a cable coupled to the measuring head, which cable can be coupled outside the pipe or tube to be measured to a device processing the measuring data, the apparatus being provided at its distal end but behind the measuring head, with a reel for winding the cable on and off.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: December 27, 2005
    Assignee: A. Hak Industrial Services B.V.
    Inventors: Siemen Roelof Van der Heide, Leonardus Johannes Gruitroij, Joost Martinus Hermanus Parent, Christiaan Willem Schomper