Patents by Inventor David Lothian

David Lothian 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).

  • 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
  • Publication number: 20200269165
    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: Application
    Filed: March 9, 2020
    Publication date: August 27, 2020
    Inventors: Luc RIVIERE, Pierre, Didier BIGEONNEAU, Stéphane ANRES, Raymond HALLOT, Wayne EVANS, David LOTHIAN
  • Publication number: 20150231533
    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: Application
    Filed: September 19, 2013
    Publication date: August 20, 2015
    Inventors: Luc Riviere, Pierre Pedenaud, Didier Bigeonneau, Stéphane Anres, Raymond Hallot, Wayne Evans, David Lothian
  • Patent number: D636971
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: May 3, 2011
    Assignee: Frito-Lay North America, Inc.
    Inventors: Donna Jan Diermeier, David Lothian, Shalaka Narwankar, Richard James Ruegg, Olga Alexandrovna Sanford