Patents by Inventor Raymond Petit

Raymond Petit 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).

  • Patent number: 4578012
    Abstract: A device for discharging pulverulent products contained in a cylindrical silo from an appropriate part of the lower periphery of the silo, in which a radial horizontal arm equipped with an Archimedia's screw is placed in the immediate vicinity of the lowest part of the silo and is mounted on a turret, in which there is placed a fixed vertical shaft co-axial with the silo, having a first pinion which cooperates with a second pinion secured to the shaft of the Archimedean screw, and wherein a chain given by a motor is provided to rotate the arm and the turret around the axis of the silo.
    Type: Grant
    Filed: February 2, 1984
    Date of Patent: March 25, 1986
    Assignee: Guery S.A.
    Inventor: Raymond Petit