Patents by Inventor Andrew Martin Thompson

Andrew Martin Thompson 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).

  • Power drive unit for a golf trolley
    Patent number: 6382334
    Abstract: A power drive unit (1) for attachment to a golf trolley comprises a drum (2) rotatable about a generally horizontal axis (3) with the external periphery (4) of the drum (2) adapted to seat on the ground and to make frictional contact with the ground for drive purposes, a battery (16) within the drum (2), an electric motor (19) powerable from the battery (16), a transmission from the drive motor (19) to the drum (2), manually operable control means for controlling forward rotation of the drum (2), an end cap (5) at each end of the drum (2), and a final output gear (25) mechanically connected to one end cap (5) via a vibration isolating connection (26, 28, 29).
    Type: Grant
    Filed: October 2, 2000
    Date of Patent: May 7, 2002
    Assignee: Powermade Designs Ltd.
    Inventors: David George Agutter, Andrew Martin Thompson
  • Drive unit for a golf trolley
    Patent number: D462047
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: August 27, 2002
    Assignee: Powermade Designs Ltd.
    Inventors: David George Agutter, Andrew Martin Thompson