Patents by Inventor John W. Fix, Jr.

John W. Fix, 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).

  • Patent number: 5735447
    Abstract: A friction welding apparatus and a method for its use is disclosed where the apparatus includes a plurality of interchangeable components including a drive means, an actuator assembly, a support system and a control system, the combination operable to friction weld a workpiece to a valve body. The apparatus features a means to maintain a positive fluid pressure within the weld chamber during burn-off and upset phases. Such a means is provided to keep out explosive gases emitted by one of the members being welded. The apparatus features a means to maintain a positive fluid pressure within the weld chamber during burn-off and upset phases. Such a means is provided to keep out explosive gases emitted by one of the members being welded.
    Type: Grant
    Filed: September 23, 1996
    Date of Patent: April 7, 1998
    Assignee: The Safe Seal Company, Inc.
    Inventor: John W. Fix, Jr.
  • Patent number: 5558265
    Abstract: A friction welding apparatus and a method for its use is disclosed where the apparatus includes a plurality of interchangeable components including a drive system, an actuator assembly, a support system and a control system, the combination operable to friction weld a workpiece to a valve body.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: September 24, 1996
    Assignee: The Safe Seal Company, Inc.
    Inventor: John W. Fix, Jr.