Patents by Inventor Erik J. Galis

Erik J. Galis 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).

  • Adjustable wedge washer
    Patent number: 6099223
    Abstract: The subject invention relates to an adjustable wedge washer to be used in connection with various material testing machines which are used to mechanically test the strength of bolts, screws and other types of fasteners. The subject adjustable wedge washer includes two wedge washers being joined together mechanically with a snap ring so that they are not separable. The wedge washers then rotate relative to each other to form a variable testing angle relative to the fastener.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: August 8, 2000
    Assignee: Instron Corporation
    Inventors: Erik J. Galis, Robert S. Whitelaw, III, Scott L. Maxwell