Patents by Inventor William Pallan

William Pallan 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).

  • Pipeline inspection vehicles
    Patent number: 4170902
    Abstract: A pipeline inspection vehicle for inspecting the internal wall of a pipeline wherein the vehicle is provided with a speed control system energized by hydraulic and turbine power obtained from pumps driven by wheels which are in engagement with the pipeline wall.
    Type: Grant
    Filed: May 18, 1978
    Date of Patent: October 16, 1979
    Assignee: British Gas Corporation
    Inventor: William Pallan