Patents by Inventor Thomas B. Mayfield

Thomas B. Mayfield 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).

  • Treatment for contaminated material
    Patent number: 5770436
    Abstract: A treatment composition for treating contaminated material is disclosed which has water, coal, and an alkali metal carbonate. In another aspect an additional ingredient is a seaweed derivative. A method for making such a treatment composition for treating contaminated material has been developed which includes introducing water into a first tank, blending in alkali metal carbonate in the first tank with the water to form a first composition, adding coal to the first composition and blending them together forming a base composition, introducing one half of the base composition from the first tank into a second tank, introducing an amount of seaweed derivative into the second tank equal in volume to the amount of base composition in the second tank, and blending the contents of the second tank together producing the treatment composition.
    Type: Grant
    Filed: March 25, 1996
    Date of Patent: June 23, 1998
    Assignee: ERC, Inc.
    Inventor: Thomas B. Mayfield
  • Treatment for contaminated material
    Patent number: 5501973
    Abstract: A treatment composition for treating contaminated material is disclosed which has water, coal, and an alkali metal carbonate. In another aspect an additional ingredient is a seaweed derivative. A method for making such a treatment composition for treating contaminated material has been developed which includes introducing water into a first tank, blending in alkali metal carbonate in the first tank with the water to form a first composition, adding coal to the first composition and blending them together forming a base composition, introducing one half of the base composition from the first tank into a second tank, introducing an amount of seaweed derivative into the second tank equal in volume to the amount of base composition in the second tank, and blending the contents of the second tank together producing the treatment composition.
    Type: Grant
    Filed: May 20, 1994
    Date of Patent: March 26, 1996
    Inventor: Thomas B. Mayfield