Patents by Inventor Jacob Michel

Jacob Michel 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).

  • Apparatus for detecting defects, particularly in castings
    Patent number: 4829823
    Abstract: An apparatus for detecting defects in workpieces, particularly in foundry or metallurgical workpieces, including a plurality of means for exciting and picking up the vibrations emitted by a workpiece, whose sound resonance frequencies it is desired to measure so as to evaluate the quality thereof.
    Type: Grant
    Filed: August 14, 1987
    Date of Patent: May 16, 1989
    Inventor: Jacob Michel