Patents Assigned to Wiessner GmbH
  • Apparatus and Method for Cleaning at Least One Process Chamber for Coating at Least One Substrate
    Publication number: 20070254096
    Abstract: Apparatus and methods in accordance with implementations of the present invention can be configured for cleaning at least one process chamber, which in turn is configured for coating at least one substrate. In general, the at least one substrate will be made from glass, and the at least one process chamber can be purged with a conditioned purge gas prior to a coating operation.
    Type: Application
    Filed: January 15, 2004
    Publication date: November 1, 2007
    Applicant: WIESSNER GMBH
    Inventors: Ronald Hepper, Klaus Kallee
  • Cleaning device for a curved conveyor belt
    Patent number: 6196374
    Abstract: A cleaning apparatus (1), to clean a conveyor belt (3) curving in its main plane, comprises a cleaning drum (9) of which the diameter at its end (9i) adjacent to the belt's inner edge (3i) is smaller than its diameter at its end (9a) adjacent to the outer edge (3a).
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: March 6, 2001
    Assignee: Wiessner GmbH
    Inventors: Franz Kilgert, Jürgen Fichtel, Hans Widmer