Patents Assigned to Helen Kupiec
  • Kupiec's mobile ingot extractor
    Patent number: 4320794
    Abstract: Discloses a self-contained and non-polluting mobile ingot extractor having a wheeled undercarriage and drawbar frame with a hitch for towing same. The extractor has longitudinal frame members carrying cross-members which carry stops and a hydraulic ram. The longitudinal axis of the stuck ingot and its mold is horizontally disposed between said stops and ram head of the hydraulic ram. A low volume-high pressure hydraulic pump exerts force through the ram head upon the stuck ingot to remove same from its mold.
    Type: Grant
    Filed: April 14, 1981
    Date of Patent: March 23, 1982
    Assignees: Edward J. Kupiec, Sr., Helen Kupiec, Edward J. Kupiec, Jr., Robert J. Kupiec, Peter M. Kupiec, Christopher P. Kupiec, Roberta H. Wessendorf
    Inventor: Edward J. Kupiec, Sr.