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
Spray drying vancomycin
Database caching utilizing asynchronous log-based replication
Method and apparatus for wireless transmission of diagnostic information
Control apparatus and control method
Method and system for billing based on color component histograms
Method for driving electrophoretic display device, electrophoretic display device, and electronic device
Method to alter silicide properties using GCIB treatment
  Randomly Featured Patents
Recording medium and process for forming color image with use of the same
Cylindrical, flexible bearings
Fiber optic gravel distribution position sensor system
Process for preparing quaternary ammonium compositions
Combination flashlight and powered screwdriver
Apparatus for interactive language training
Method for introducing a fluid into a reaction receptacle contained within a temperature-controlled environment
Material of case for storage cell
Sleeping bag
Flexible form fitting glove