Patents Assigned to R. Pollitt Oilfield Construction, Ltd.
  • Tracked vehicle operable by a non-tracked vehicle
    Patent number: 6659214
    Abstract: A tracked vehicle adapted for receiving a wheeled vehicle and to be driven by the wheeled vehicle. The tracked vehicle has a chassis. Guide and drive wheels are mounted on the chassis at each side and a set of tracks are driven by the driven wheels and guided by the guide wheels. Rear wheels of the wheeled vehicle rest in a pair of drive rollers and rotating stiles are adapted for receiving steered wheels of the wheeled vehicle.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: December 9, 2003
    Assignee: R. Pollitt Oilfield Construction, Ltd.
    Inventor: Douglas Laing