Patents by Inventor John R. Stewart, III

John R. Stewart, III 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: 6003719
    Abstract: A cooler assembly for keeping beverages, food, medical supplies, drugs and other heat sensitive products at lower than ambient temperatures. Container includes a radiant heat barrier and air space between an inner and outer shell of a cooler assembly so as to improve the effectiveness of the cooler assembly by minimizing the detrimental effects of radiant heat and conductive heat.
    Type: Grant
    Filed: October 9, 1998
    Date of Patent: December 21, 1999
    Inventor: John R. Stewart, III
  • Patent number: 4950035
    Abstract: A device for cooling the wheel assemblies of heavy duty vehicles such as trucks, trailers, and buses. The invention being comprised of air inducing scoops attached to air holes on the outboard side of a wheel disk. Upon rotation of the wheel, a powerful heat dissipating burst of air is generated, and then directed through air holes of the wheel disk and over the braking structure requiring no power except the rotation of the wheel for drawing air therethrough.
    Type: Grant
    Filed: February 23, 1989
    Date of Patent: August 21, 1990
    Inventors: Richard Villarreal, John R. Stewart, III