Patents by Inventor Mohammad Sapahpour

Mohammad Sapahpour 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).

  • Process and apparatus for eliminating casting defects on the surface of a cast iron body
    Patent number: 5607603
    Abstract: Cast-iron bodies are repaired or surface defects corrected by chambering the cast-iron body in the region of the defect and positioning the body with the resulting recess upwardly opening beneath a crane from which the head of an electrode advancing unit is suspended. The cast-iron electrode extends into the recess and is advanced automatically in accordance with detection of the arc length. The welding arc is struck to deposit weldment in the recess while the electrode is swung in a pendulum motion back and forth.
    Type: Grant
    Filed: August 29, 1995
    Date of Patent: March 4, 1997
    Assignee: Siempelkamp Giesserei GmbH & Co.
    Inventors: Manfred Sappok, Wolfgang Kleinkr oger, Mohammad Sapahpour