Patents by Inventor Max Oetker

Max Oetker 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).

  • Shuttering elements
    Patent number: 4541213
    Abstract: This invention relates to shuttering or sheathing elements of hard expanded plastics material for construction of buildings by the concrete casing method, of the kind comprising two mutually parallel panels or slabs having a tongued and grooved form at their edges and webs interconnecting the panels. According to the invention the panel forming the outer casing is considerably thicker than the panel of the element forming the inner casing.
    Type: Grant
    Filed: December 23, 1982
    Date of Patent: September 17, 1985
    Inventor: Max Oetker