Patents by Inventor Claude Rouault

Claude Rouault 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).

  • Metering device for a powdery material
    Patent number: 4056234
    Abstract: At the outlet of the duct for the powdery material is provided a movable diaphragm where orifice is adapted to engage a clearing fixed pin when the flow rate of said material reaches a predetermined low threshold. Said diaphragm is controlled by clearance actuating means comprising a pneumatic jack adapted to be supplied with compressed air through an electro-valve whose control input is connected to the output of a flow detector.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: November 1, 1977
    Assignee: Air-Industrie
    Inventors: Christian Carre, Claude Rouault