Patents by Inventor Edwin Klysz

Edwin Klysz 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).

  • Tunnel driving apparatus
    Patent number: 4252463
    Abstract: A drive shield of a tunnelling apparatus employs composite drive members or poling plates supported and guided for advancement in the driving direction on a frame. Each drive member has a front part pivotably connected to a rear part. The connection between the front and rear parts of each drive member is additionally designed to enable the rear part to be positionally adjusted as a whole in relation to the front part to bring their outer surfaces defining and supporting the tunnel wall, into exact alignment.
    Type: Grant
    Filed: January 17, 1979
    Date of Patent: February 24, 1981
    Assignee: Gewerkschaft Eisenhutte Westfalia
    Inventor: Edwin Klysz