Patents by Inventor Thomas A. Henrie

Thomas A. Henrie 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).

  • Recovery of copper and nickel from alloys
    Patent number: 4085017
    Abstract: Copper and nickel are recovered from alloys by electrolysis in a cell employing the alloy as anode. In addition, the electrolytic cell has separate anode and cathode sections, with an intermediate liquid copper-mercury alloy electrode between the anode and cathode sections.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: April 18, 1978
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Thomas A. Henrie, Roald E. Lindstrom, Kenneth P. V. Lei
  • Extraction of copper from sulfide ores
    Patent number: 4062744
    Abstract: Copper is extracted from sulfide ores or concentrates by electrolysis in a cell having separate anode and cathode sections, and having an intermediate liquid copper-mercury alloy electrode between the anode and cathode sections.
    Type: Grant
    Filed: July 16, 1976
    Date of Patent: December 13, 1977
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Thomas A. Henrie, Roald E. Lindstrom, Kenneth P. V. Lei