Patents by Inventor Marc-Andre Mathieu

Marc-Andre Mathieu 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).

  • Method and apparatus for manufacturing cementitious panel with reinforced longitudinal edge
    Patent number: 6488792
    Abstract: A cementitious panel comprising a cementitious core which is fabric-reinforced at the surface thereof and whose longitudinal edges are reinforced by a network of fibers. A panel may be obtained wherein the surface edge reinforcement layers are relatively strong and hard such that a nail or screw may be driven through the edge of panel without pre-drilling and without breaking, even when nailed or screwed almost at the very limit of the edge of the panel. Such a panel may provide a long lasting substrate for humid or wet areas such as shower rooms and bath rooms.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: December 3, 2002
    Assignee: National Gypsum Properties
    Inventor: Marc-André Mathieu
  • Cementitious panel with reinforced edges
    Publication number: 20010000738
    Abstract: A cementitious panel comprising a cementitious core which is fabric-reinforced at the surface thereof and whose longitudinal edges are reinforced by a network of fibers. A panel may be obtained wherein the surface edge reinforcement layers are relatively strong and hard such that a nail or screw may be driven through the edge of panel without pre-drilling and without breaking, even when nailed or screwed almost at the very limit of the edge of the panel. Such a panel may provide a long lasting substrate for humid or wet areas such as shower rooms and bath rooms.
    Type: Application
    Filed: December 18, 2000
    Publication date: May 3, 2001
    Applicant: National Gypsum Company
    Inventor: Marc-Andre Mathieu
  • Cementitious panel with reinforced edges
    Patent number: 6187409
    Abstract: A cementitious panel comprising a cementitious core which is fabric-reinforced at the surface thereof and whose longitudinal edges are reinforced by a network of fibers. A panel may be obtained wherein the surface edge reinforcement layers are relatively strong and hard such that a nail or screw may be driven through the edge of panel without pre-drilling and without breaking, even when nailed or screwed almost at the very limit of the edge of the panel. Such a panel may provide a long lasting substrate for humid or wet areas such as shower rooms and bath rooms.
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: February 13, 2001
    Assignee: National Gypsum Company
    Inventor: Marc-André Mathieu