Patents by Inventor Jacques Luthi

Jacques Luthi 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).

  • Sleeve for a liquid transfer roll and method for producing it
    Patent number: 5840386
    Abstract: A sleeve adapted to be mounted on a mandrel to form a liquid transfer roll or the like comprises a radially expandable inner skin defining a radially inner surface of the sleeve, at least one radially compressible intermediate layer of resilient plastic material; and a rigid, self-supporting metal outer tube. Further methods for producing such a sleeve are described.
    Type: Grant
    Filed: February 22, 1996
    Date of Patent: November 24, 1998
    Assignee: Praxair S.T. Technology, Inc.
    Inventors: Russell Bruce Hatch, Jacques Luthi