Patents by Inventor Valentin Tinnis

Valentin Tinnis 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).

  • Steplessly adjustable device for injecting black liquor into a soda digester
    Patent number: 4416422
    Abstract: In a device for adjusting the flow quantity and drop size of black liquor to be injected into a soda digester, an outflow opening with an adjustable cross-sectional area, relatively rotatable coaxial outer and inner pipes, the outer pipe being provided with an end piece covering a part of the outer end of the outer pipe and the inner pipe being provided with a nozzle piece covering a part of the outer end of the inner pipe, the outflow opening being formed by an opening remaining outside the areas covered by the end piece and the nozzle piece.
    Type: Grant
    Filed: July 1, 1981
    Date of Patent: November 22, 1983
    Assignees: Ekono Oy, A. Ahlstrom Osakeyhtio
    Inventor: Valentin Tinnis