Patents by Inventor Alain Lardillat

Alain Lardillat 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: 6161593
    Abstract: A ventilation duct includes an envelope lined on the inside by insulation panels. The panels have a lining on the side of the flow channel of the duct and on at least one part of at least one of transverse edges of the duct. This lining extends over at least one part of each of both sides of the edge and is integrated with the panel. Z shaped sections may be used to hold adjacent panels.
    Type: Grant
    Filed: August 16, 1999
    Date of Patent: December 19, 2000
    Assignee: Isover Saint-Gobain
    Inventors: Alain Lardillat, Alain Melinand, Claes Staffan Tigerfeldt
  • Patent number: 5975146
    Abstract: A ventilation duct includes an envelope lined on the inside by insulation panels. The panels have a lining on the side of the flow channel of the duct and on at least one part of at least one of transverse edges of the duct. This lining extends over at least one part of each of both sides of the edge and is integrated with the panel. Z shaped sections may be used to hold adjacent panels.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: November 2, 1999
    Assignee: Isover Saint-Gobain
    Inventors: Alain Lardillat, Alain Melinand, Claes Staffan Tigerfeldt