Patents by Inventor Fritz Dumont

Fritz Dumont 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).

  • Method and apparatus for driving sheet piles into the ground
    Patent number: 4094156
    Abstract: In order to facilitate or make possible the driving of sheet pile planks and the like into the ground, adjacent the location where the sheet pile planks are to be driven in, there is provided a cavity in the ground for at least partially receiving the soil as it is displaced during the pile driving operation. The cavity is provided not later than during the driving-in of the sheet pile planks.
    Type: Grant
    Filed: March 6, 1974
    Date of Patent: June 13, 1978
    Assignee: Baugesellschaft Klammt KG
    Inventor: Fritz Dumont