Patents by Inventor Pertti Lauri Metso

Pertti Lauri Metso 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).

  • Controlled deflection roll
    Patent number: 4100662
    Abstract: A controlled deflection roll comprising an inner shaft and an outer roll shell which is attached to the shaft at its middle where the deflection of the roll shell can be eliminated by supporting forces generated by hydraulic pressure applied on balls disposed in radial borings in pressure means located at the ends of the roll shell.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: July 18, 1978
    Assignee: A. Ahlstrom Osakeyhtio
    Inventor: Pertti Lauri Metso