Patents by Inventor Ronald M. Czaplicki

Ronald M. Czaplicki 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).

  • Cellular core structure providing gridlike bearing surfaces on opposing parallel planes of the formed core
    Patent number: 5028474
    Abstract: A three-dimensional structure adapted for use for instance as a core in sandwich panel-type construction, and comprised of substantially continuous unbroken sheet material to which has been imparted an alternating sequence of ridges and valleys, creating spaced rows of adjacent inclined rectangular-shaped facets connected by intermediate rows of adjoining parallelogram-shaped facets. The core structure provides substantially gridlike bearing surfaces on two opposing parallel bearing planes thereof to which face sheets may be affixed, to form a sandwich panel.
    Type: Grant
    Filed: July 25, 1989
    Date of Patent: July 2, 1991
    Inventor: Ronald M. Czaplicki