Patents by Inventor George Henry, Jr.

George Henry, Jr. 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).

  • Patent number: 4465598
    Abstract: A method for removing heavy metals from brines used as well servicing fluids in which the heavy metal is oxidized to a higher, stable oxidation state of +3 or greater, the oxide or variants thereof of the oxidized metal is formed resulting in a generally water insoluble precipitate which is then removed by filtration leaving the brine free of deleterious amounts of the heavy metal.
    Type: Grant
    Filed: January 17, 1983
    Date of Patent: August 14, 1984
    Assignee: NL Industries, Inc.
    Inventors: Roy K. Darlington, George Henry, Jr., Jack L. Lowell