Patents by Inventor Alain Chastan-Bagnis

Alain Chastan-Bagnis 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: 4921605
    Abstract: An apparatus to clean or depollute surfaces or layers of water. The apparatus has at least one channel (12) which withdraws a stream of water at the front of the apparatus and discharges the water at the rear of the apparatus after cleaning or depollution. The water can be discharged through two conduits or tunnels (18), which diverge relative to each other. The flow of the stream of water through the channel (12) is caused by at least one propellor (20) driven by a motor which can be hydraulic.
    Type: Grant
    Filed: May 26, 1988
    Date of Patent: May 1, 1990
    Inventors: Lucien Chastan-Bagnis, Alain Chastan-Bagnis