Patents by Inventor Per Alström

Per Alström has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Device for gasification of spent liquor
    Patent number: 6780211
    Abstract: Device for the understoichiometric gasification of spent liquor from chemical pulp production under centrifugal influence, which device comprises an upper reactor part (1), which upper reactor part is provided with an inlet (31) having a nozzle (8) for combusting the spent liquor, a separating a part (3), which is integrated with the reactor, for separating a phase, which is formed in the gasification, consisting of solid and/or molten material from a phase consisting of combustible gaseous material, and also a product liquid space (4).
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: August 24, 2004
    Assignee: Chemrec Aktiebolag
    Inventors: Bengt Nilsson, Per Alström