Patents by Inventor Ralf Quack

Ralf Quack 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).

  • Pressure treatment roller
    Patent number: 6315703
    Abstract: A pressure treatment roller includes a roller core and a casing tube supported on the roller core by a central support. A first intermediate space and a second intermediate space are defined on both axial sides of the central support. The intermediate spaces are each disposed between the roller core and the casing tube. The casing tube has bores interior of its outer surface. The bores are connected to a supply for a heat transfer fluid.
    Type: Grant
    Filed: May 7, 1999
    Date of Patent: November 13, 2001
    Assignee: Kleinewefers Textilmaschinen GmbH
    Inventors: Ralf Quack, Wolfgang Tschirner