Patents by Inventor Richard E. Goetz

Richard E. Goetz 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).

  • Method for making rock bits
    Patent number: T969007
    Abstract: a method of making a rock bit which is a welded assembly of legs each carrying a rotatable cutter. Electrochemical grinding is used for finish machining of mating surfaces of heat-treated bit legs, and the legs are secured together by electron-beam welding along the mating surfaces.
    Type: Grant
    Filed: August 5, 1977
    Date of Patent: April 4, 1978
    Assignee: Smith International, Inc.
    Inventor: Richard E. Goetz