Patents by Inventor Max Prassler

Max Prassler 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).

  • Control device for monitoring the passage of two superimposed paper webs in a paper processing machine
    Patent number: 5838017
    Abstract: A control device (3) for monitoring the travel of two superimposed paper webs (1, 2) in a paper processing machine has a thin stationary plate (4) arranged at the edge of the paper webs (1, 2) that extends between both paper webs in the direction of travel of the paper. Reflection-sensitive photoelectric sensors (5, 6) are arranged on opposite sides of the plate (4) so that the light rays (5a, 6a) from both sensors are projected from opposite directions upon the corresponding paper web (1, 2) and the plate (4) located behind the paper web.
    Type: Grant
    Filed: August 8, 1997
    Date of Patent: November 17, 1998
    Assignee: Boewe Systec AG
    Inventor: Max Prassler