Patents by Inventor James Henry Cleland

James Henry Cleland 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).

  • Packed bed electrorefining and electrolysis
    Patent number: 4118292
    Abstract: A molten metal, such as aluminium, is refined by passing a stream thereof into an anode comprising a bed of conductive particles, such as carbon, in a molten or conductive-solution salt. A diaphragm, pervious to the salt but impervious to the molten metal, separates the anode from a cathode comprising a bed of conductive particles in a salt which is molten or in conductive solution.
    Type: Grant
    Filed: June 8, 1977
    Date of Patent: October 3, 1978
    Assignee: National Research Development Corporation
    Inventors: Derek John Fray, James Henry Cleland