Patents by Inventor Charles Schmit

Charles Schmit 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).

  • Device for the injection of pulverized coal into a blast furnace crucible
    Patent number: 5451034
    Abstract: A method and device is provided for the combined injection of pulverized coal and a gaseous oxidant into a crucible of a shaft furnace, especially a blast furnace, through a hot-air blast tuyere. In the region of the nozzle end of the tuyere in the crucible, the pulverized coal is injected into the hot-air blast, in the form of a hollow annular jet and the gaseous oxidant is injected inside the hollow annular jet. A lance for implementing the method comprises two coaxial tubes and a distributing unit provided with a central bore for the pulverized coal.
    Type: Grant
    Filed: June 30, 1993
    Date of Patent: September 19, 1995
    Assignee: Paul Wurth S.A.
    Inventors: Leon Ulveling, Yvon Kroemmer, Charles Schmit