Patents by Inventor Sungkuk Won

Sungkuk Won 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).

  • Metal recovery process
    Patent number: 4389247
    Abstract: A process for recovering a metal in its elemental state from an oxide or salt of the metal comprising passing the metal oxide or salt and a reducing gas concurrently downward through a packed bed at a temperature above the melting point of the metal in its elemental state.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: June 21, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventors: Sungkuk Won, Jerry E. Dobson