Patents by Inventor James C. Wintgens

James C. Wintgens 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: 6112492
    Abstract: A roofing shingle includes organic, resinous material and an inorganic filler material, the single having a top surface, two side surfaces, an upper end, and a lower or butt end, defining a cavity on the underside of the shingle, with ribs positioned within the cavity. When applied to a roof, the shingle has the appearance of wooden shake shingle and provides a Class A fire barrier when tested according to ASTM test E108-93 for flame spread, burning brand and intermittent flame.
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: September 5, 2000
    Assignee: Owens Corning Fiberglas Technology, Inc.
    Inventors: James R. Wells, James C. Wintgens, Roger A. McFarland
  • Patent number: 6021611
    Abstract: A roofing shingle includes organic, resinous material and an inorganic filler material, the single having a top surface, two side surfaces, an upper end, and a lower or butt end, defining a cavity on the underside of the shingle, with ribs positioned within the cavity. When applied to a roof, the shingle has the appearance of wooden shake shingle and provides a Class A fire barrier when tested according to ASTM test E108-93 for flame spread, burning brand and intermittent flame.
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: February 8, 2000
    Inventors: James R. Wells, James C. Wintgens, Roger A. McFarland
  • Patent number: 5615523
    Abstract: A roof includes a roof deck and a plurality of roofing shingles where the roofing shingles have the appearance of a wooden shake shingle and comprise organic, resinous material in, preferably a plastic material, an amount within the range of from about 16 to about 24 percent by weight, and a filler material in an amount within the range of from about 76 to about 84 percent by weight. The roof provides a Class A fire barrier when tested according to ASTM test E108-93 for flame spread, burning brand and intermittent flame.
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: April 1, 1997
    Assignee: Owens-Corning Fiberglas Technology, Inc.
    Inventors: James R. Wells, Denise A. McLaine, James C. Wintgens, Roger A. McFarland, Arthur Blinkhorn
  • Patent number: 4147555
    Abstract: Acrylate-vinyl acetate copolymer size compositions for glass fiber reinforced cementitious products are disclosed. These size compositions show strong improvements in all phases of strand integrity with improved run-out performance in chopping.
    Type: Grant
    Filed: April 21, 1977
    Date of Patent: April 3, 1979
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Eleanor B. Cohen, William N. Stassen, James C. Wintgens
  • Patent number: 4119477
    Abstract: Elastomeric size compositions for glass fiber reinforced cementitious products are disclosed. These size compositions show strong improvements in all phases of strand integrity with especially improved performance in wet integrity. This in turn improves the strand's workability in a cementitious matrix.
    Type: Grant
    Filed: July 29, 1977
    Date of Patent: October 10, 1978
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Eleanor B. Cohen, William N. Stassen, James C. Wintgens