Patents by Inventor Jean-Claude Joseph Rader

Jean-Claude Joseph Rader 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).

  • Water purifying device without movable mechanical part in contact with the liquid to be treated
    Patent number: 4059524
    Abstract: The present invention relates to a water purifying device for treating the waste and cess water from an individual or collective house. Such a water purifying device comprises a tight tank, a feeding pipe and an exhaust pipe extending inside the tank in order to provide siphons, an air compressor supplying a control valve is provided which supplies air alternately to a pipe submerged in the liquid in the tank or to the air space above the tank. According to one mode of operation, the tank is maintained under a variable pressure always higher than the atmospheric pressure during the treatment operation.
    Type: Grant
    Filed: May 11, 1976
    Date of Patent: November 22, 1977
    Inventors: Jean Chataigner, Jean-Claude Joseph Rader