Patents by Inventor Frank P. Haver

Frank P. Haver 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).

  • Method of recovering lead through the direct reduction of lead chloride by aqueous electrolysis
    Patent number: 4181588
    Abstract: A method for recovering lead from lead chloride through aqueous electrolysis wherein the lead chloride is directly reduced to metallic lead on the cathode. The electrolyte may comprise liquor from the leaching of galena concentrates, which liquor includes ferrous chloride that is subsequently converted to ferric chloride during electrolysis and recycled for additional leaching.
    Type: Grant
    Filed: January 4, 1979
    Date of Patent: January 1, 1980
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Morton M. Wong, Frank P. Haver
  • Recovery of zinc from zinc chloride by fused salt electrolysis
    Patent number: 3962050
    Abstract: Metallic zinc is recovered from zinc chloride by electrolysis of a molten bath mixture consisting essentially of zinc chloride and an electrolyte consisting of lithium chloride and potassium chloride. The electrolyte preferably consists of the LiCl-KCl eutectric mixture consisting of 59 mole percent LiCl and 41 mole percent KCl.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: June 8, 1976
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Donald E. Shanks, Frank P. Haver