Patents by Inventor Jurgen Zehender

Jurgen Zehender 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: 4881583
    Abstract: A woodworking machine for cutting tenons and mortises in woods, especially window woods, and comprising at least one tenoning-and-mortising unit and at least one lengthwise profiling unit, where a length-cutting device and a roller table are associated with the tenoning-and-mortising unit, where further a transverse conveyor is provided to move the window wood into an operational position wherein the second end of the window wood shall be provided with tenon and mortise and also comprising a transfer system to transfer the window wood equipped at both ends with tenons and mortises to the lengthwise profiling equipment, said machine being designed in such a manner that its manufacture is economical and its construction is compact.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: November 21, 1989
    Assignee: Okoma Oberkochener Machinen GmbH
    Inventor: Jurgen Zehender