Patents by Inventor Arne Ahlen

Arne Ahlen 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 dividing a flow of fibrous material into at least two equally metered flows
    Patent number: 5465915
    Abstract: Apparatus for controlling the flow of fibrous material is disclosed including a substantially horizontal feeder press, a rapidly rotatable spreader screw disposed in a vertical housing, with the outlet end of the feeder press connected to the vertical housing, at least two metering screws disposed below the outlet end of the vertical housing, and a spreader disk disposed at the outlet end of the vertical housing for disintegrating the fibrous material and distributing it to the metering housing containing the metering screws.
    Type: Grant
    Filed: July 19, 1994
    Date of Patent: November 14, 1995
    Assignee: Sunds Defibrator Industries Aktiebolag
    Inventors: Arne Ahlen, Anders Mokvist, Thor Johansen