Patents by Inventor William V. Schwenker

William V. Schwenker 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: 7631602
    Abstract: A low profile turntable device constructed of wedge shaped sections with structural foam in between, support rollers on the bottom skin, a plurality of reversible drive motors inside a plurality of outer ramps around the exterior, and a concentric circular and perpendicular lateral band system for mounting the turntable on a surface.
    Type: Grant
    Filed: June 1, 2007
    Date of Patent: December 15, 2009
    Inventor: William V. Schwenker
  • Patent number: 6817300
    Abstract: A low profile turntable device for parking or maneuvering vehicles or heavy items in confined spaces constructed of two skins with structural foam in between, support rollers on the bottom skin, stops on the bottom skin to stabilize the turntable during loading, a reversible drive mechanism, and a ramp around the exterior so it does not have to be installed below grade level.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: November 16, 2004
    Inventor: William V. Schwenker
  • Publication number: 20030101894
    Abstract: A low profile turntable device for parking or maneuvering vehicles or heavy items in confined spaces constructed of two skins with structural foam in between, support rollers on the bottom skin, stops on the bottom skin to stabilize the turntable during loading, a reversible drive mechanism, and a ramp around the exterior so it does not have to be installed below grade level
    Type: Application
    Filed: December 3, 2002
    Publication date: June 5, 2003
    Inventor: William V. Schwenker