Patents by Inventor Pierre Paré

Pierre Paré 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).

  • Device and a method for rehabilitating conduits
    Patent number: 6926466
    Abstract: A polyurethane applicator (10) for spraying at high-pressures a liner on the inner circumferential wall of an existing conduit (C) to be rehabilitated. The applicator (10) includes a carriage (12) coaxially guided in the conduit (C) and an atomizer (16) rotatably mounted to the carriage (12) for rotation about the central axis thereof. The atomizer (16) is provided with a nozzle (62) through which the lining mixture is forced out while the atomizer (16) rotates and travels in conduit with the carriage (12).
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: August 9, 2005
    Assignee: Novaliner Technologies Inc.
    Inventor: Pierre Paré