Patents by Inventor Godehard Sussmuth

Godehard Sussmuth 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).

  • Bottom outlet or discharge for use in metallurgical vessels for steel melts, particularly tundishes
    Patent number: 4268015
    Abstract: A bottom outlet or discharge for metallurgical vessels includes a sleeve brick, a nozzle brick positioned in the sleeve brick, the nozzle brick having therethrough a discharge opening, and a highly wear-resistant tubular sleeve fitted within the discharge opening of the nozzle brick. The sleeve brick, the nozzle brick and the sleeve are formed of materials such that they have thermal expansions at 1400.degree. C. of from 1.0 to 1.15%, from 0.5 to 0.8% and from 1.1 to 1.25%, respectively.
    Type: Grant
    Filed: February 12, 1979
    Date of Patent: May 19, 1981
    Assignees: Didier-Werke AG, Hamburger Stahlwerke GmbH
    Inventors: Ernst Luhrsen, Godehard Sussmuth, Klaus Walden
  • Method for reducing the gas permeability of a sintered porous silicon nitride body
    Patent number: 4122220
    Abstract: Silicon nitride bodies are improved by being impregnated with a silicon halide which is then converted to silicon imide in the pores of the body, which, in turn, is converted into silicon nitride.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: October 24, 1978
    Assignee: Rosenthal Aktiengesellschaft
    Inventor: Godehard Sussmuth
  • Silicon nitride-containing material with self-glazing surface and process for its production
    Patent number: 4104442
    Abstract: The invention concerns a silicon nitride-containing material with a gas-tight surface and improved oxidation resistance, and the invention also relates to a process for the production of such material.
    Type: Grant
    Filed: March 23, 1976
    Date of Patent: August 1, 1978
    Assignee: Rosenthal AG
    Inventor: Godehard Sussmuth