Patents by Inventor Ervin Zerzan

Ervin Zerzan 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).

  • Container body
    Patent number: 3989562
    Abstract: A body for a container or for a road or rail vehicle. The body comprises an inner tube formed of a wound laminate of synthetic resin impregnated material; an outer tube formed of a wound laminate of synthetic resin impregnated material and spaced from the inner tube, an insulation material and reinforcing material in the space between the tubes, the tubes insulation material, and reinforcing material all being securely interconnected. The synthetic resin impregnated material preferably comprises filaments and/or fabric.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: November 2, 1976
    Assignee: PIKAZ, inzenyrsky podnik
    Inventors: Oldrich Hladik, Vladimir Ort, Vladimir Pechar, Miroslav Mickulecky, Ervin Zerzan, Bohumir Prebinda