Patents by Inventor Karl Georg Erhard Marklund

Karl Georg Erhard Marklund 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 and apparatus for trimming timber
    Patent number: 4120333
    Abstract: In a method of trimming timber pieces, in which the pieces are cross-cut at one end and thereafter are advanced to a turner, the invention includes the step of applying to each piece, prior to arrival at the turner, a plurality of marks which are registrable after the turning of the piece. The marks are applied on that side of the piece which, after the turning, shall face upwardly. Preferably, the marks are equally spaced, and are repeated from the cross-cut end to the opposite end of the piece.
    Type: Grant
    Filed: April 27, 1976
    Date of Patent: October 17, 1978
    Assignee: Renholmens Mekaniska Verkstad AB
    Inventors: Hans Arthur Hellgren, Karl Georg Erhard Marklund