Patents by Inventor Olivier Tailleux

Olivier Tailleux 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).

  • Method of assessing faults in metal tubes having internal helical ribs
    Patent number: 5230247
    Abstract: A method for the detection and evaluation of faults existing on the walls of metal tubes having internal helical ribs includes for each fault signal received by an ultrasonic emitter-receiver ER, the length of the to-and-fro travel completed by the ultrasonic beam corresponding to the signal is determined and after the amplitude of the signal has been compared with a specific threshold, a correction is applied to one of the terms of the comparison, taking into account the length of travel completed by the signal.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: July 27, 1993
    Assignee: Valtubes
    Inventors: Phu-Ann Ngo, Olivier Tailleux, Herve Wiart