Patents by Inventor Lawrence Hugh Chapman

Lawrence Hugh Chapman 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).

  • Transportation system
    Patent number: 6877439
    Abstract: The present invention relates to an improved transportation system which includes a plurality of upright supports (1) which elevate at least one track (2). A plurality of cabs (3) are adapted to move along the track or tracks (2) provided where the cabs (3) suspended from a track (2) so that the center of mass of the cabs (3) is located below the track (2). A single track (2) provides a pair of rail elements on opposite sides of the track (2) where the first rail element is adapted to support cabs (3) moving in substantially the opposite direction to cabs (3) supported by the second rail element of the same track (2).
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: April 12, 2005
    Inventor: Lawrence Hugh Chapman
  • Transportation system
    Publication number: 20040025738
    Abstract: The present invention relates to an improved transportation system which includes a plurality of upright supports (1) which elevate at least one track (2). A plurality of cabs (3) are adapted to move along the track or tracks (2) provided where the cabs (3) suspended from a track (2) so that the centre of mass of the cabs (3) is located below the track (2). A single track (2) provides a pair of rail elements on opposite sides of the track (2) where the first rail element is adapted to support cabs (3) moving in substantially the opposite direction to cabs (3) supported by the second rail element of the same track (2).
    Type: Application
    Filed: June 23, 2003
    Publication date: February 12, 2004
    Inventor: Lawrence Hugh Chapman