Patents by Inventor Emil P. Lock

Emil P. Lock 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 repairing a heat exchanger tube
    Patent number: 3962767
    Abstract: A method of repairing a tube in a heat exchanger by severing the tube and welding a sleeve inside the tube.
    Type: Grant
    Filed: August 13, 1974
    Date of Patent: June 15, 1976
    Assignee: Westinghouse Electric Corporation
    Inventors: Wilbur M. Byerley, Raymond H. Glatthorn, Emil P. Lock