Patents by Inventor Alex Charles

Alex Charles 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 for the moulding of wood fiber board
    Patent number: 6500372
    Abstract: The invention relates to a method and device with which it is possible to arrange complicated shapes with considerable differences in height in wood fiber board, and in particular but not exclusively so called MDF (Medium Density Fiberboard). The deformation of the wood fiber board which can be achieved with the invention is known in the art as extusion, wherein a considerable plastic deformation takes place accompanied by flow and stretch of the material.
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: December 31, 2002
    Assignee: Premador, Inc.
    Inventors: Maurice Frankefort, Alex Charles
  • Method and device for the molding of wood fiber board
    Publication number: 20020180089
    Abstract: The invention relates to a method and device with which it is possible to arrange complicated shapes with considerable differences in height in wood fibre board, and in particular but not exclusively so-called MDF (Medium Density Fibreboard). The deformation of the wood fibre board which can be achieved with the invention is known in the art as extrusion, wherein a considerable plastic deformation takes place accompanied by flow and stretch of the material.
    Type: Application
    Filed: July 19, 2002
    Publication date: December 5, 2002
    Inventors: Maurice Frankefort, Alex Charles