Patents by Inventor Rainer Balbach

Rainer Balbach 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).

  • Deep drawable aluminum sheet or strip
    Patent number: 4886713
    Abstract: A deep drawable sheet or strip of metal, preferably aluminum or an aluminum alloy having a surface treated for deep drawing characterized in that the surface has a microroughness, Ra, ranging between about 0.1 and 0.8 .mu.m and a uniform, honeycomb-shaped structure, wherein the honeycomb diameter ranges between about 20 .mu.m and about 200 .mu.m is provided.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: December 12, 1989
    Assignee: Vereingte Aluminum-Werke Aktiengesellschaft
    Inventors: Friedrich Ostermann, Christian Dumont, Rainer Balbach, Gerhard Sollner