Patents by Inventor Patrick Villiger

Patrick Villiger 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).

  • Elastic roller, method for producing same device for smoothing paper and method for smoothing paper
    Patent number: 6668711
    Abstract: The present invention concerns an elastic roller for smoothing a paper web, wherein the roller has a hard metal core, an elastic matrix coating material thereon and an outer layer of memory metal, and is comprised especially of metal is described. The present invention also relates to a method for producing the elastic roller and to a device and method for smoothing paper comprising passing a paper web through a pressure nip formed by the elastic roller core and a hard roll.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: December 30, 2003
    Assignee: Voith Sulzer Papiertechnik Patent GmbH
    Inventor: Patrick Villiger