Patents by Inventor Krister Olsson

Krister Olsson 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).

  • Method and device for the continuous cooking of pulp
    Patent number: 6159336
    Abstract: This invention relates to a new and improved way of continuously cooking fiber material, wherein temperatures and alkaline levels are controlled to be maintained within specific levels in different zones of the digesting process in order to optimize chemical consumption and heat-economy, and, at the same time, achieving very good pulp properties.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: December 12, 2000
    Assignee: Kvaerner Pulping AB
    Inventors: Johan Engstrom, Vidar Snekkenes, Krister Olsson, Mikael Lindstrom, Christofer Lindgren, Soren Gustavsson
  • Method for the continuous cooking of pulp
    Patent number: 6123807
    Abstract: This invention relates to a new and improved way of continuously cooking fiber material, wherein temperatures and alkaline levels are controlled to be maintained within specific levels in different zones of the digesting process in order to optimize chemical consumption and heat-economy and at the same time achieve very good pulp properties.
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: September 26, 2000
    Assignee: Kvaerner Pulping AB
    Inventors: Johan Engstrom, Vidar Snekkenes, Krister Olsson, Soren Gustavsson, Christofer Lindgren, Mikael Lindstrom