Patents by Inventor Georges Rodet

Georges Rodet 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).

  • Separatory apparatus comprising means for anchoring a semi-permeable membrane to a support member
    Patent number: 4415447
    Abstract: Separatory, e.g., ultrafiltration apparatus including a plurality of semi-permeable membranes and a plurality of ridge ribbed support members therefor, is provided with means for anchoring said membranes to and between successive supports.
    Type: Grant
    Filed: September 14, 1981
    Date of Patent: November 15, 1983
    Assignee: Rhone-Poulenc Industries
    Inventors: Jacques Foucras, Georges Rodet
  • Securing means for the leakproof mounting of a semi-permeable membrane to a support plate
    Patent number: 4346004
    Abstract: A device is provided for the leaktight securing of semi-permeable membranes to opposite faces and around each orifice of a membrane support plate of a separatory apparatus which separates by selective permeability. Said device comprises two stamped metal rings which maintain sealing pressure on the membranes against the support plate and are attached to one another in a leaktight fashion by means of a sealing means situated between them. A separatory apparatus comprising support plates fitted with the above device is also provided.
    Type: Grant
    Filed: December 11, 1980
    Date of Patent: August 24, 1982
    Assignee: Rhone-Poulenc Industries
    Inventors: Jacques Foucras, Georges Rodet
  • Leakproof securing means for mounting a semi-permeable membrane to a support
    Patent number: 4165082
    Abstract: A support plate has fluid-flow openings therethrough which openings are flared at their ends. Securing rings extend into the openings from opposite ends and have tapered lips firmly pressing the edges of membranes against the flared end surfaces of openings. The rings are fixed to each other to exert constant pressure on the membrane edges.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: August 21, 1979
    Assignee: Rhone-Poulenc Industries
    Inventors: Jacques Foucras, Georges Rodet