Patents by Inventor Jalel Michel Darzi

Jalel Michel Darzi 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).

  • Concentration of solids in a suspension using hollow fibre membranes
    Patent number: 5643455
    Abstract: A method of concentrating solids in a liquid suspension using a microporous filter assembly having a plurality of hollow microporous, elastic membranes within a vessel, the method including the steps of applying the suspension to an outer surface of the hollow fibers whereby a portion of the suspension passes through the fibers walls and at least a portion of the solids is retained on or in the hollow fibers or within the vessel as suspended solids; dislodging the retained solids from the fibers by applying a gas under pressure after opening the vessel to atmospheric pressure.
    Type: Grant
    Filed: February 22, 1995
    Date of Patent: July 1, 1997
    Assignee: Memtel Limited
    Inventors: Clinton Virgil Kopp, Ian Dracup Doig, Robert John William Streeton, Jalel Michel Darzi