Patents by Inventor Pierre H. Ciraud

Pierre H. Ciraud 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).

  • Machine for spreading and smoothing surface coverings
    Patent number: 4532882
    Abstract: A machine for spreading and smoothing surface coverings comprises a frame mounted on wheels of which one is steerable, a hopper for storing and dispensing the covering material, bladed members for mixing the covering material, a chute for discharging the covering material at the lower end of the hopper and a valve member for adjusting the flow of the covering material. A spreading blade and a smoothing blade are disposed transversely of the direction of displacement of the machine, the spreading blade facing the discharge end of the chute and the smoothing blade being arranged behind the spreading blade, the blades comprising strips of flexible material such a rubber bearing on the ground. A linkage is provided for raising and lowering the blades.
    Type: Grant
    Filed: September 28, 1982
    Date of Patent: August 6, 1985
    Inventor: Pierre H. Ciraud