Patents by Inventor John L. Dormer

John L. Dormer 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).

  • Fibre-clay panel
    Patent number: 6335089
    Abstract: A fiber-reinforced clay panel having low water permeability is made from a mixture of clay and primary clarifier recovered fiber, a waste material produced by pulp mills. The mixture is compressed and dried to form a panel having a rigidity like plywood and a very low coefficient of hydraulic conductivity. The panels are useful for lining and covering landfill and waste disposal sites, water-proofing basements and similar applications.
    Type: Grant
    Filed: August 2, 1999
    Date of Patent: January 1, 2002
    Assignee: Pacific Bentonite Ltd.
    Inventors: Nigel A. Skermer, John L. Dormer