Patents by Inventor Stefan Oh Witte

Stefan Oh Witte 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).

  • Equipment for surface treatment
    Patent number: 4069790
    Abstract: Equipment for surface treatment of articles, providing means for uniformly cleaning and completely burning off undesirable coatings formed on elements supporting the articles subjected to treatment. The equipment includes metallic elements for supporting the articles subjected to treatment, heating filaments placed inside each of the metallic elements, and a conveyor for moving the supporting elements through treatment and cleaning stations.The heating filaments, each of which is separated from each of the metallic supporting elements by an insulating layer, form parts of electrical circuits for heating the supporting elements, and burning off therefrom any coating material that adhered thereto at the treatment station.
    Type: Grant
    Filed: November 2, 1976
    Date of Patent: January 24, 1978
    Inventor: Stefan Oh Witte