Patents by Inventor Rene Guyonnet

Rene Guyonnet 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: 5992043
    Abstract: A wood treatment method wherein a piece of wood to be treated is heat treated at high temperature for a predetermined time. According to the method, the piece of wood is heated to its glass transition temperature (Tg) prior to the heat treatment, and maintained thereat until the whole of the piece of wood has reached the glass transition temperature (Tg).
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: November 30, 1999
    Assignee: N O W (New Option Wood)
    Inventor: Rene Guyonnet
  • Patent number: 5901463
    Abstract: A method for heat-treating wood, including at least one step of maintaining the wood to be treated at a predetermined temperature in a treatment chamber in order to destroy at least partially the hemicellulose of the wood. The method comprises monitoring the current amount of at least one of the gases given off during hemicellulose decomposition throughout the treatment step, and stopping the treatment step once the amount begins to reach a substantially constant value.
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: May 11, 1999
    Assignee: N O W (New Option Wood)--societe anonyme
    Inventor: Rene Guyonnet