Patents by Inventor James A. Wheat

James A. Wheat 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).

  • Flame retardant foam material
    Patent number: 5182163
    Abstract: A fire-retardant air and water vapor permeable foam material resistant to passage therethrough of noxious chemicals in liquid or vapor form is described. The foam material is typically an open-cell polyurethane foam including a particulate adsorbent, organic binder and a solid water-insoluble fire-retardant dispersed in the foam. The foam material is bonded on at least one side to an air and water vapor permeable fabric to form a fire-retardant laminate material suitable for the manufacture of various protective garments.
    Type: Grant
    Filed: November 5, 1991
    Date of Patent: January 26, 1993
    Assignee: Minister of National Defence of Her Majesty's Canadian Government
    Inventors: James A. Wheat, Rolland P. Fuoco, J. Kimberley Dix
  • Battery separator
    Patent number: 4221846
    Abstract: The invention disclosed relates to a novel paper composition for use as a separator material in electrical batteries. The paper composition 30-50%/w of glass fibers and 70-59%/w of a co-polymer of vinyl chloride and vinyl acetate.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: September 9, 1980
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence
    Inventors: William A. Armstrong, James A. Wheat