Patents by Inventor Lothar Volkmann

Lothar Volkmann 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).

  • Melting burner made of vitreous silica for the production of massive vitreous silica
    Patent number: 4368846
    Abstract: Melting burner of vitreous silica for the production of massive vitreous silica by the melting of silicon dioxide particles. Propulsion jets fed with oxygen are surrounded by a plurality of oxygen-fed heating jets forming a ring. Oxygen flows around the propulsion jets and the heating jets. The front ends of the propulsion jets, which are overlapped by the front ends of the heating jets, are inclined towards the axis of the melting burner.
    Type: Grant
    Filed: December 10, 1980
    Date of Patent: January 18, 1983
    Assignee: Heraeus Quarzschmelze GmbH
    Inventors: Karlheinz Rau, Horst Lorenz, Oswald Huth, Lothar Volkmann, Kurt Stenzel