Patents by Inventor Hans Rotzinger

Hans Rotzinger 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).

  • Patent number: 4926789
    Abstract: A transport apparatus for boards or workpieces in board form, for example printed circuit boards which are to be coated with plastic, for example UV curable plastic, has advancing means for the transport of the boards and grippers or clamps for seizing the board edges during the transport and advancement of the boards. In order to avoid a risk of damaging the sensitive board surfaces, in particular when transferring the boards from one conveyor to the other, the gripper or grippers or clamps is/are attached to a holding element or rack, releasably coupled to the transporting or advancing means of the apparatus. This holding element remains connected, via its grippers to the board during the complete transport of the latter and can be transferred and reloaded together with the board held by it at transitions from one advancing means to another or from one processing station to the other.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: May 22, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Hartmut Wenger, Peter Martin, Hans Rotzinger, Martin Denz