Patents by Inventor Warren Paul Powers

Warren Paul Powers 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: 6342386
    Abstract: Disclosed are compositions and/or paints containing hydrolytic enzyme(s), microorganism(s), or mixtures of the hydrolytic enzyme(s) and microorganism(s), wherein the microorganism or hydrolytic enzyme remove undesired growth from a surface. Such compositions and/or paints may contain a catalytically effective amount of an inorganic salt. Also disclosed are articles coated with the composition and/or paint. Finally, methods are disclosed for reducing fouling of a marine surface, for reducing marine corrosion, for limiting absorption of water by a marine surface, for reducing the coefficient of drag of a marine surface, removing marine growth from a marine surface, and for reducing mildew fungus on a marine surface.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: January 29, 2002
    Inventors: Warren Paul Powers, Thomas Allan Selvig, Richard Irwin Leavitt
  • Patent number: 5919689
    Abstract: Disclosed are marine antifouling compositions and/or paints containing, microorganism(s), or mixtures of hydrolytic enzyme(s) and microorganism(s), wherein the microorganism or hydrolytic enzyme reduce fouling of a surface coated by the marine antifouling composition and/or paint. Such compositions and/or paints may contain a catalytically effective amount of an inorganic salt. Also disclosed are articles coated with the composition and/or paint. Finally, methods are disclosed for reducing fouling of a marine surface, for reducing marine corrosion, for limiting absorption of water by a marine surface, for reducing the coefficient of drag of a marine surface, removing marine growth from a marine surface, and for reducing mildew fungus on a marine surface.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: July 6, 1999
    Inventors: Thomas Allan Selvig, Richard Irwin Leavitt, Warren Paul Powers