Patents by Inventor Rolf Hameister

Rolf Hameister 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).

  • Blow-molded plastic body
    Patent number: 4567068
    Abstract: A blow-molded plastic hollow body has a plurality of defined, throughgoing apertures in a bottom wall adapted to be mounted on a base surface. The apertures are spaced from one another by web-like parts of the bottom wall and have a total area of between 10% and 70% of the outer face of the bottom wall.
    Type: Grant
    Filed: March 9, 1984
    Date of Patent: January 28, 1986
    Assignee: Rehau Plastiks AG & Co.
    Inventors: Ekkehard Weinberg, Rolf Hameister