Patents by Inventor Robert Clifford Smith

Robert Clifford Smith 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: 8079798
    Abstract: A tiltable loading ramp for loading and unloading a first vehicle onto and from a second vehicle, comprises at least two ramp sections which are abuttable or substantially abuttable to form a ramp surface, and at least one support member forming a fulcrum for the ramp surface. The in use at least one support member is provided partway between ends of the ramp surface and spaces the ramp surface away from a loading surface of the second vehicle, so that as the first vehicle passes the fulcrum, the ramp surface tilts towards the loading surface of the second vehicle.
    Type: Grant
    Filed: April 23, 2009
    Date of Patent: December 20, 2011
    Inventors: Robert Clifford Smith, John David Owen
  • Publication number: 20090269176
    Abstract: A tiltable loading ramp for loading and unloading a first vehicle onto and from a second vehicle, comprises at least two ramp sections which are abuttable or substantially abuttable to form a ramp surface, and at least one support member forming a fulcrum for the ramp surface. The in use at least one support member is provided partway between ends of the ramp surface and spaces the ramp surface away from a loading surface of the second vehicle, so that as the first vehicle passes the fulcrum, the ramp surface tilts towards the loading surface of the second vehicle.
    Type: Application
    Filed: April 23, 2009
    Publication date: October 29, 2009
    Inventors: Robert Clifford SMITH, John David OWEN