Patents by Inventor Jens C. Einarson

Jens C. Einarson 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 measuring size distribution
    Patent number: 4806014
    Abstract: The size distribution of wood chips for the manufacture of cellulose pulp is determined by an optoelectric measuring method and device. Light reflected from a conveying surface (2) and lump material distributed thereon, is recorded optically (3) at short time intervals, and recorded signals are processed electronically for obtaining the size distribution of the material over a number of selected size classes.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: February 21, 1989
    Assignee: Svenska Traforskningsinstitutet
    Inventors: Jens C. Einarson, Sven-Olof Lundqvist