Patents by Inventor John G. Visser

John G. Visser 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: 4890748
    Abstract: The cart has an upright, open frame, a plurality of trays arranged one over the other with an anti-bend pivot supporting and connecting each tray with the frame so as to be tiltable as between a horizontal product load position and an angled product take-out position with each tray being molded from fiberglass reinforced plastic including vertically oriented, beam-like sections, a full bottom, and a pair of metal rods molded with the tray and disposed on one side of the tilt axis and the fiberglass reinforced plastic, the vertical sections, the metal rods, and the pivot all cooperating to minimize tray flexure and the weight distribution provided by the tray structure and material on opposite sides of the pivot axis causing the tray to tilt to the product load position when the tray is not carrying products and causing the tray to tilt to the product take-out position when the tray is filled with products.
    Type: Grant
    Filed: March 1, 1989
    Date of Patent: January 2, 1990
    Inventor: John G. Visser
  • Patent number: 4706823
    Abstract: The cart has an upright, open frame, a plurality of trays arranged one over the other with anti-bend pivot means supporting and connecting each tray with the frame so as to be tiltable as between a horizontal product load position and an angled product take-out position with each tray being molded from fiberglass reinforced plastic including vertically oriented, beam-like sections, a full bottom, and a pair of metal rods molded with the tray and disposed on one side of the tilt axis and the fiberglass reinforced plastic, the vertical sections, the metal rods, and the pivot means all cooperating to minimize tray flexure and the weight distribution provided by the tray structure and material on opposite sides of the pivot axis causing the tray to tilt to the product load position when the tray is not carrying products and causing the tray to tilt to the product take-out position when the tray is filled with products.
    Type: Grant
    Filed: July 22, 1986
    Date of Patent: November 17, 1987
    Inventor: John G. Visser