Patents by Inventor Albert Koperek

Albert Koperek 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).

  • Process for melting of metal materials in a shaft furnace
    Patent number: 5946340
    Abstract: A process for smelting metallic raw materials in a shaft furnace having beds of metallic raw material and coke comprises injecting concurrently into the shaft furnace (1) a mixture of flue gases and oxygen at a subsonic velocity and (2) preheated oxygen at supersonic velocity wherein the supersonic velocity oxygen is injected into the coke bed.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: August 31, 1999
    Assignee: Georg Fischer Disa Engineering AG
    Inventors: Josef Ramthun, Albert Koperek