Patents by Inventor Julius Heinrich Johannes Stern, deceased

Julius Heinrich Johannes Stern, deceased 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).

  • Rotary distributor plate for a centrifugal air classifier
    Patent number: 3989620
    Abstract: Rotary distributor plate for distributing particles of solid or liquid material in a centrifugal-type classifier includes a plate-like member having an upper surface, and means carried by the surface for uniformly throwing off from the plate-like member particles of material fed thereto.
    Type: Grant
    Filed: March 3, 1975
    Date of Patent: November 2, 1976
    Assignee: Klockner-Humboldt-Deutz Aktiengesellschaft
    Inventors: Julius Heinrich Johannes Stern, deceased, Werner Strauss, Albert Kohlmann