Patents by Inventor Raymond C. Rowland

Raymond C. Rowland 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).

  • Patent number: 6161751
    Abstract: A method of joining the ends of metal strip material together by positioning a consumable insert of weld filler material between the full thickness of the strip ends and below the lower surface of the strip ends a predetermined depth to establish a predetermined gap between the strip ends thus allowing for full arc penetration of the strip ends and providing a supply of the filler material to the root of the weld to be formed between the strip ends.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: December 19, 2000
    Assignee: Precision Tube Technology, Inc.
    Inventors: Lawrence W. Smith, Garry F. McClelland, James R. Hyde, Robert P. Badrak, Raymond C. Rowland