Resources Contact Us Home
A. Ahlstrom Patents
A. Ahlstrom
Noormarkku, FI
No. of patents:

Patent Number Title Of Patent Date Issued
5319902 Mass tower and method of making the same June 14, 1994
A mass tower for medium or high consistency fiber suspension includes a vertically elongated circumferential side wall defining a space for receiving the fiber suspension. The bottom portion of the mass tower is filled with a material in an amount and of sufficient strength, preferably
5279709 Method and apparatus for improving the control and treatment of fiber suspension flow January 18, 1994
A method and apparatus for controlling the flow of a fiber suspension having a direction of flow and a consistency from 5-25% including a treatment chamber having an axis extending in the direction of flow of the fiber suspension, a suspension inlet and a suspension outlet opposite the
4953607 Multistage evaporating system September 4, 1990
A thermal system includes a plurality of heat exchangers in series and the same number of flash tanks in series is interposed between two subsequent effects of a multiple effect evaporating system for sulfate black liquor. The liquor is indirectly heated in the heat exchangers by vapor p

  Recently Added Patents
Switchgear operating apparatus and three-phase switchgear
Compounds, compositions and use
Cooking device and method of manufacture of the same
Tag-based apparatus and methods for neural networks
Dynamically reconfigurable systolic array accelorators
Electronic device and control method therein
Methods and apparatus for achieving multiple bit rates in passive optical networks
  Randomly Featured Patents
Cutting tooth assembly with reversible tooth
Video signal recorder video apparatus and audio signal receiver
Process for controlling polyvinylbutyral physical properties by controlling stereochemistry of same
Synthetic foam pillow with integral neckroll
Variable wavelength generating method and apparatus thereof, for use in measuring body fluids constituent concentration
Non-linear optical device
Nanocarbon film and producing method thereof
Accumulated statistics constant false alarm rate method and device
Channel hardware diagnostic apparatus and method
Guanidinylamino heterocycle compounds useful as alpha-2 adrenoceptor agonists