Patents by Inventor Helmut A. Friz

Helmut A. Friz 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).

  • Laminating device
    Patent number: 4241697
    Abstract: A laminating device for the application of coating to sheet material includes a doctor blade and a bearing surface between which the material to be coated is passed. The bearing surface has a convex curvature whereby the area of the contact zone between the sheet material and bearing surface is minimized. Means is also provided for horizontal and vertical adjustment of the bearing surface.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: December 30, 1980
    Assignee: Paliv AG
    Inventor: Helmut A. Friz