Patents by Inventor Marius Thiebaud

Marius Thiebaud 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).

  • Automatic regulating valve of the air flow sucked out of a room through a mechanical ventilating installation
    Patent number: 4690372
    Abstract: It comprises an actuating device (22 to 27) of the obturating member (16) provided with a sliding shaft (22) fast with the obturation member, and carrying two permanent magnets (24, 25) separated the one from the other through a distance defining the variation of the cross-section of the passage of the air channel. It comprises further at least one coil (25, 27) enabling to create a magnetic field.
    Type: Grant
    Filed: June 13, 1986
    Date of Patent: September 1, 1987
    Inventor: Marius Thiebaud