Patents by Inventor Raymond Lejeune

Raymond Lejeune 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).

  • Process for the reception of mineral fibers
    Patent number: 5268015
    Abstract: The invention relates to the reception of fibers under fibering machines to obtain a mat of mineral wool. It proposes assigning to each fibering machine its own collecting zone, the surfaces of the collecting zones increasing in the direction of the increase of base weight. The invention also proposes a device characterized by the presence of two reception drums for three fibering machines.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: December 7, 1993
    Assignee: Isover Saint-Gobain
    Inventors: Hans Furtak, Wilfrid Naber, Raymond Lejeune
  • Process and device for the reception of mineral fibers
    Patent number: 5065478
    Abstract: The invention relates to the reception of fibers under fibering machines to obtain a mat of mineral wool. It proposes assigning to each fibering machine its own collecting zone, the surfaces of the collecting zones increasing in the direction of the increase of base weight. The invention also proposes a device characterized by the presence of two reception drums for three fibering machines.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: November 19, 1991
    Assignee: Isover Saint-Gobain
    Inventors: Hans Furtak, Wilfrid Naber, Raymond Lejeune