Patents by Inventor Otto Buhring

Otto Buhring 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).

  • Arc furnace roof
    Patent number: 4323718
    Abstract: The invention relates to an arc furnace roof. The roof is comprised of a metal cover which is bolt-connected to the furnace shell. Secured to the lower side of the cover is a plurality of shackle hooks, each of said shackle hooks having an anchor bolt hooked therein. The metal cover has a first layer of insulating concrete applied to its lower side and a second layer of refractory concrete applied to the hard first layer of insulating concrete, the two layers of insulating and refractory concrete, respectively, embedding the shackle hooks and anchor bolts.
    Type: Grant
    Filed: June 17, 1980
    Date of Patent: April 6, 1982
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Otto Buhring, Gerardus J. W. Dreessen, Jacob W. H. Groeneveld, Robert Queck, Heinrich Thome, Gerrit J. Willemsen
  • Cooling device
    Patent number: 4087497
    Abstract: A cooling device for use in the quenching of combustion gases containing hydrogen chloride. The device is an elongated steel vessel with angularly spaced openings to receive nozzles for the injection of a quenching liquid. The vessel contains a hard rubber layer extending over its inner surface and an acid-resistant ceramic lining within the hard rubber layer.
    Type: Grant
    Filed: May 12, 1977
    Date of Patent: May 2, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang Opitz, Otto Buhring, Hans Hennen