Patents by Inventor Bernard Bianchin

Bernard Bianchin 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).

  • Apparatus for fractionating solid particles suspended in a liquid
    Patent number: 4518499
    Abstract: A process for fractionating a suspension of solid particles in a liquid, of he type wherein said suspension is made to pass through a filtering screen, characterized in that said suspension is directed in a direction parallel to the longitudinal axis of an elastically deforming, flexible, perforated sleeve forming a filtering screen, and in that a sequence of high and low pressures is continuously created within this sleeve and travels at least predominantly opposite the direction of the suspension flow. The invention also applies to equipment.
    Type: Grant
    Filed: May 4, 1984
    Date of Patent: May 21, 1985
    Assignee: Centre Technique de L'Industrie des Papiers, Cartons et Celluloses
    Inventors: Bernard Perrin, Bernard Bianchin, Georges Sauret
  • Process for fractionating solid particles suspended in a liquid, in particular for treating paper-industry fiber suspensions
    Patent number: 4477359
    Abstract: A process for fractionating a suspension of solid particles in a liquid, of he type wherein said suspension is made to pass through a filtering screen, characterized in that said suspension is directed in a direction parallel to the longitudinal axis of an elastically deforming, flexible, perforated sleeve forming a filtering screen, and in that a sequence of high and low pressure is continuously created within this sleeve and travels at least predominantly opposite the direction of the suspension flow. The invention also applies to equipment.
    Type: Grant
    Filed: July 20, 1981
    Date of Patent: October 16, 1984
    Assignee: Centre Technique de L'Industrie des Papiers, Cartons et Celluloses
    Inventors: Bernard Perrin, Bernard Bianchin, Georges Sauret