Patents by Inventor Gerhard Esfeld

Gerhard Esfeld 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).

  • Ceramic burner
    Patent number: 4259064
    Abstract: A ceramic burner for the combustion chamber of air heaters and the like has a mixing body composed of layers of shaped ceramic bricks, the shaped bricks adjoin each other with radial flanks and engage and mutually interlock with one another by knobs or protuberances and corresponding recesses. The layers of shaped bricks are held together vertically by a ceramic bolding bar. In assembly, the mixing body has a mushroom shape wherein the upper layer shaped bricks have a larger radius than the lower layers.
    Type: Grant
    Filed: March 5, 1979
    Date of Patent: March 31, 1981
    Assignees: Didier-Werke AG, Stahlwerke Peine-Salzgitter AG
    Inventors: Walter Laux, Rudolf Hebel, Peter Artelt, Gerhard Esfeld, Arnold Jacob