Patents by Inventor Andrew L. Hickman

Andrew L. Hickman 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).

  • Sacrificial anode assembly
    Patent number: 4284488
    Abstract: A sacrificial anode for use in cathodic protection is made in the form of a bracelet which has two parts, each of the parts has a series of anodes connected between a pair of straps and each of the straps of one of the parts is hingedly connected to a corresponding strap of the other of the parts.
    Type: Grant
    Filed: March 31, 1980
    Date of Patent: August 18, 1981
    Assignee: Global Cathodic Protection, Ltd.
    Inventors: Robert Brittain, Andrew L. Hickman