Patents by Inventor Gregory M. Andreyko

Gregory M. Andreyko 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).

  • Nuclear storage overpack door actuator and alignment apparatus
    Patent number: 6891913
    Abstract: The invention is a door actuator and alignment apparatus for opening and closing the 15,000-pound horizontally sliding door of a storage overpack. The door actuator includes a ball screw mounted horizontally on a rigid frame including a pair of door panel support rails. An electrically powered ball nut moves along the ball screw. The ball nut rotating device is attached to a carriage. The carriage attachment to the sliding door is horizontally pivoting. Additional alignment features include precision cam followers attached to the rails and rail guides attached to the carriage.
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: May 10, 2005
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Gregory M. Andreyko