Patents by Inventor Rainer Grabher

Rainer Grabher 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: 5544757
    Abstract: A method and apparatus for separating pieces of wood into different qualities in a wood sorting process is characterized in that the brightness as well as the texture of the surface of the wood are measured, and the pieces of wood are separated into different quality groups according to the measurements results obtained.
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: August 13, 1996
    Assignee: Andritz-Patentverwaltungs-Gesellschaft M.B.H.
    Inventors: Bertram Geiger, Rainer Grabher
  • Patent number: 5335790
    Abstract: A method and apparatus for separating pieces of wood into different qualities in a wood sorting process is characterized in that the brightness as well as the texture of the surface of the wood are measured, and the pieces of wood are separated into different quality groups according to the measurements results obtained.
    Type: Grant
    Filed: February 10, 1992
    Date of Patent: August 9, 1994
    Assignee: Andritz-Pantentverwaltungs-Gesellschaft m.b.H.
    Inventors: Bertram Geiger, Rainer Grabher