Patents Assigned to Niedner Inc.
  • Method and apparatus for rehabilitation of water conduit with lateral openings
    Patent number: 10386006
    Abstract: A method of rehabilitating a network of underground water conduits having at least one lateral opening and a membrane for that purpose is disclosed. The method comprising the steps of blocking and sealing the at least one lateral opening with a membrane impregnated with a hardening resin positioned over the at least one lateral opening, and allowing the resin to harden thereby forming a rigid membrane over the at least one lateral opening.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: August 20, 2019
    Assignees: Sanexen Environmental Services Inc., Niedner Inc.
    Inventors: Sylvain Morissette, Martin Bureau, Gilles Gagnon