Patents by Inventor Robert A. Rydell

Robert A. Rydell 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).

  • Apparatus for drying veneer
    Patent number: 4179820
    Abstract: The method comprises feeding the veneer through a closed chamber under vacuum conditions, and heating the veneer while in the chamber by an infrared emitter. The apparatus comprises a chamber having means for feeding the veneer to, through and from the chamber, means for creating a vacuum within the chamber, and infrared emitter heating means.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: December 25, 1979
    Assignee: Georgia-Pacific Corporation
    Inventors: Leslie M. Steffensen, H. Gary Dutell, Robert A. Rydell
  • Method and apparatus for drying veneer
    Patent number: 4146973
    Abstract: The method comprises feeding the veneer through a closed chamber under vacuum conditions, and heating the veneer while in the chamber by an infrared emitter. The apparatus comprises a chamber having means for feeding the veneer to, through and from the chamber, means for creating a vacuum within the chamber, and infrared emitter heating means.
    Type: Grant
    Filed: April 14, 1977
    Date of Patent: April 3, 1979
    Assignee: Georgia-Pacific Corporation
    Inventors: Leslie M. Steffensen, H. Gary Dutell, Robert A. Rydell