Patents by Inventor Phillip B. Cook

Phillip B. Cook 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).

  • Concrete
    Patent number: 5413633
    Abstract: A concrete mortar is formed by mixing together sand, cement, water and a sewage sludge ash. A foam is added to the mortar to form a foamed concrete composition.
    Type: Grant
    Filed: September 1, 1993
    Date of Patent: May 9, 1995
    Assignee: British Gas plc
    Inventors: Phillip B. Cook, James B. Walker