Patents by Inventor Wilfried J. Schenach

Wilfried J. Schenach 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).

  • Roof cladding
    Patent number: 4610121
    Abstract: Elongate, profiled roof cladding sheets with formations on opposed edges for interengaging adjacent sheets to facilitate installation and form watertight joints. The interengaged formations form spaces to act as capilliary breaks. Cleats secure one edge only of each sheet to a roof frame and allow thermal contraction and expansion.
    Type: Grant
    Filed: December 15, 1983
    Date of Patent: September 9, 1986
    Inventor: Wilfried J. Schenach