Patents by Inventor Edwin H. Rathjen, Jr.

Edwin H. Rathjen, Jr. 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).

  • Arc spray welding replaceable electrode tip
    Patent number: 4128754
    Abstract: Method and article of manufacture for replacing arc spray welding electrode ips which are subject to excessive wear due to heat and friction. In one form this consists of providing an elongated holder for receiving a threaded tip portion and in another form this consists of cutting off and threading a portion of the holder, and interconnecting the threaded tip portion to the holder with an intermediate coupling gas diffuser.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: December 5, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Edwin H. Rathjen, Jr.