Patents by Inventor Hartmut Ottl

Hartmut Ottl 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).

  • Apparatus for controlling the height of pressed workpieces of ceramic powder or other material in a press
    Patent number: 4270890
    Abstract: A measuring system on a press for making pressings from powder material is designed for cutting out the effects of any stretching of the press frame produced by high pressing forces. A plate supporting one tool part is fixedly supported on a frame and, in relation to the plate, further tool parts may be moved. The measuring system is made up of first measuring elements fixed in relation to the moving tool parts, and second measuring elements, designed for use with the first measuring elements and fixed in relation to the press. The first measuring elements are fixed to the plate or a support on which this plate is itself supported.
    Type: Grant
    Filed: June 17, 1980
    Date of Patent: June 2, 1981
    Assignee: Dorst-Keramikmaschinen-Bau
    Inventor: Hartmut Ottl