Patents by Inventor Keith P. Thomas

Keith P. Thomas 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).

  • Crane testing apparatus and associated load testing method
    Patent number: 6578441
    Abstract: Two groups of test weights are stacked on a horizontal base frame transported to an aligned position underlying a crane to be tested for loading capacity. Such base frame is loaded with the test weights stacked thereon after assembly into a test apparatus by removable attachment through intermediate lift beams to an upper main lift beam through which such loading is transmitted directly to the crane.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: June 17, 2003
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Frank J. Jurenka, Keith P. Thomas