Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
A. Ahlstrom Patents
Assignee:
A. Ahlstrom
Address:
Noormarkku, FI
No. of patents:
3
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
Specimen preparation device, and control method in specimen preparation device
Apparatus and method for manufacturing microneedles
Method and device for extracting vapors in an injection molding machine
Intermediate film for laminated glasses, and laminated glass
Image forming apparatus
Method for preventing wheat from mycotoxin contamination
Systems and methods for implementing multi-application tabs and tab sets
  Randomly Featured Patents
Method of detecting failure of a valve timing changeover control system of an internal combustion engine
Coextruded laminate
Retroreflective film product
Alpine ski binding element equipped with a compensation device
Differential pressure sensor
Interface for digital data transfer between a missile and a launcher
Circular labeled key tag
Polyester process using a pipe reactor
Liquid crystal display device
Magnet body for engine brakes