Patents by Inventor Roger H. Zorn

Roger H. Zorn 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).

  • Dynamic surface wave roll inspection device
    Patent number: 5469743
    Abstract: A method and apparatus is provided for dynamically inspecting rolling mill rolls to locate surface defects in the rolls by applying an ultrasonic shear wave circumferentially to a rotating roll, wiping liquid from the surface to remove surface contaminants, and sensing reflections representative of any roll surface defects.
    Type: Grant
    Filed: June 24, 1993
    Date of Patent: November 28, 1995
    Inventor: Roger H. Zorn