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
Technique for effectively providing program material in a cable television system
Vibration power generator and vibration power generation device, and communication device and electronic equipment with vibration power generation device
Gathering user feedback in web applications
Encoding method, decoding method, encoding device, decoding device, program, and recording medium
Magnetic circuit and speaker using same
Toilet
Catheter with multiple electrode assemblies for use at or near tubular regions of the heart
  Randomly Featured Patents
Connection apparatus for magnetic disk device
Uni-directional light emitting diode drive circuit in bi-directional power series resonance
Neck wrap
Top-down control of multiple layer aggregation logical volume management data and boot record
System for mutually certifying an IC card and an IC card terminal
Blister package and packaged tablet
Post-translational modifications and Clostridial neurotoxins
Methods and systems for transferring information between a movable system and another system
Accurate gain calibration of analog to digital converters
Combination toilet brush and plunger