Patents Assigned to VWS WESTGARTH LTD.
  • Underwater water treatment unit and method for cleaning said unit
    Patent number: 11498021
    Abstract: The invention concerns an underwater water treatment unit which has specific cleaning means which are suitable for cleaning filtration membranes in the unconventional conditions associated with use at great or very great depths, as well as a method for cleaning the membrane of the underwater water treatment unit.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: November 15, 2022
    Assignees: TOTAL SA, SAIPEM S.A., VEOLIA EAU-COMPAGNIE GENERALE DES EAUX, VWS WESTGARTH LTD
    Inventors: Luc Riviere, Pierre Pedenaud, Didier Bigeonneau, Stéphane Anres, Raymond Hallot, Wayne Evans, David Lothian
  • Method and device for the underwater testing of a filtration system
    Patent number: 10414673
    Abstract: A method for testing an underwater filtration system as well as the underwater testing device which enables the operation of filtration systems in aquatic conditions. The testing method includes introducing a flow of water into the underwater testing device via a water inlet, said underwater testing device including at least one filter, bringing said flow in the underwater testing device up to said filter, obtaining a filtrate downstream of said filter and discharging said filtrate into the environment via a discharge pipe. The underwater testing device is placed underwater at a depth of at least 500 meters.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: September 17, 2019
    Assignees: TOTAL SA, SAIPEM S.A., VEOLIA EAU—COMPAGNIE GENERALE DES EAUX, VWS WESTGARTH LTD.
    Inventors: Pierre Pedenaud, Samuel Heng, Didier Bigeonneau, Stéphane Anres, Raymond Hallot, Michel Baylot, Mourad Ben Boudinar, Graeme Skivington