Patents by Inventor George Stewart Todd

George Stewart Todd 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).

  • Pile driving
    Patent number: 3932999
    Abstract: Driving hollow piles by utilising a hollow drive tube inserted in the tube and applying hammer blows to an abutment at the bottom of this tube.
    Type: Grant
    Filed: November 15, 1974
    Date of Patent: January 20, 1976
    Assignee: Taylor Woodrow International Ltd.
    Inventor: George Stewart Todd