Patents by Inventor Hans Stern, deceased

Hans 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).

  • Parts subject to wear in separators, cyclones, pipelines and similar apparatus
    Patent number: 4004615
    Abstract: Wear members in separators, cyclones, pipelines and similar apparatus, which are abrasively worn by a particle-conducting flow, said wear members having increased durability as a result of increased surface roughness.
    Type: Grant
    Filed: February 4, 1975
    Date of Patent: January 25, 1977
    Assignee: Klockner-Humboldt-Deutz Aktiengesellschaft
    Inventors: Hans Stern, deceased, Werner Strauss