Patents by Inventor Matthias Wohlfart

Matthias Wohlfart 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).

  • Process for winding a material web and winding machine for performing the process
    Patent number: 6467720
    Abstract: Process and winding machine for winding a material web onto a reel spool. The winding machine includes the winding machine includes a carrier drum, such that the carrier drum and the reel spool are arranged to form a winding nip. Two separation elements are positionable in a region of the two edges of the material web and at a distance from the respective edge of the material web. A device is included for moving the two separation elements cross-wise to a web travel direction and at least to a center of the web while the material web is running. In this manner, the two separation elements are adapted to form edge strips.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: October 22, 2002
    Assignee: Voith Sulzer Papiertechnik Patent GmbH
    Inventors: Zygmunt Madrzak, Matthias Wohlfart