Patents by Inventor Ladislav Zilka

Ladislav Zilka 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).

  • Blade conveyer for a continuously operating digester of the Bauer M and D type
    Patent number: 4274918
    Abstract: A blade conveyer for a digester of the Bauer M and D type, adapted particularly for treating of wood chips and similar material in the manufacture of cellulose, which is provided with blades with openings enabling passage of the boiling liquid substantially uniformly through the whole space between adjacent blades, securing thus a uniform treatment of the treated material and an efficient performance at different conditions of filling and thus an easy adjustment to conditions of other elements of a manufacturing line.
    Type: Grant
    Filed: May 2, 1979
    Date of Patent: June 23, 1981
    Assignee: Vyskumny ustav papieru a celulozy
    Inventor: Ladislav Zilka