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

Patent Number Title Of Patent Date Issued
5425412 Method and apparatus for operating a circulating fluidized bed reactor system June 20, 1995
A circulating fluidized bed (CFB) system and method of operation provide for improved heat recovery. One or more return ducts from a particle separator attached to the combustion chamber have a heat transfer section with heat transfer surfaces. Low velocity fluidizing gas is introduced
5116423 Apparatus for washing pulp May 26, 1992
The present invention relates to a method and an apparatus for washing pulp according to which method the pulp is supplied onto a movable liquid-pervious support surface to form a substantially continuous layer; and washing liquid is supplied to the pulp layer and passed in several s

  Recently Added Patents
Post-processing including median filtering of noise suppression gains
Composite filtration membranes and methods of preparation thereof
Dental plier
Method of sheet alignment and method of post-processing comprising the same and method of image formation
System and method for providing advertising content using a group training system
Manipulation of an alternative respiratory pathway in photo-autotrophs
Transmission device
  Randomly Featured Patents
Dynamic clock control
Sterilization system and vaporizer therefor
Substituted pyrazoles as p38 kinase inhibitors
Portion of a shoe upper
Fuel supply control method for an internal combustion engine equipped with a supercharger
Reversible container
Air conditioner
Shoe sole
Low quiescent power class AB current mirror circuit
Video and audio synchronization