Patents by Inventor Peter W. Finn

Peter W. Finn 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: 5338913
    Abstract: An electron beam gun with liquid cooled rotatable crucible is disclosed including a metallic bellows connected to the housing for the rotatable crucible at a 90.degree. angle and the bellows contractible to a minimum length that is a straight line between the axis of the housing and the remote end of the bellows with the bellows permitting rotation about the housing axis as the crucible is rotated to place different pockets in target position of the E-gun.
    Type: Grant
    Filed: December 28, 1992
    Date of Patent: August 16, 1994
    Assignee: TFI Telemark
    Inventors: Peter W. Finn, Larry F. Willitzer, Karl-Heinz Maurer