Patents by Inventor Andre Haubry

Andre Haubry 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).

  • METHOD AND INSTALLATION FOR PACKAGING MUDS BEFORE DRYING
    Publication number: 20090194487
    Abstract: Method for packaging liquid muds resulting from the treatment of urban and/or industrial waste water according to which the mud is subjected to a mechanical dehydration step followed by a thermal drying step. Ferric chloride and/or quicklime or slaked lime is injected into the mud after the dehydration step and before the drying step or at the beginning of the drying step.
    Type: Application
    Filed: August 6, 2007
    Publication date: August 6, 2009
    Applicant: DEGREMONT
    Inventors: Claude Prevot, Marcel Lesoille, Andre Haubry
  • Separation apparatus including relatively movable presser module and filtration belts
    Patent number: 4676902
    Abstract: Apparatus for the separation of the liquid phase of a solid-liquid suspension, in which the suspension previously thickened is disposed between two endless filtration bands and is subjected to pressure by a presser module to which is imparted a reciprocating motion, includes at least two tight enclosures, juxtaposed and disposed parallel with respect to each other. Each enclosure is provided with an inflatable membrane providing filtration pressure.
    Type: Grant
    Filed: July 16, 1985
    Date of Patent: June 30, 1987
    Assignees: Degremont, Filtres Philippe S.A.
    Inventors: Christian Fayoux, Andre Haubry