Patents by Inventor Martti Heikkila

Martti Heikkila 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).

  • Process for feeding pulp into a blow tank or storage tank
    Patent number: 7387708
    Abstract: A method and apparatus for treating pulp in connection with a blow tank or a storage tank. The pulp is discharged from a batch digester and fed either to the upper or the lower part of a blow tank, depending on the consistency of the pulp being discharged from the digester.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: June 17, 2008
    Assignee: Sulzer Pumpen AG
    Inventors: Martti Heikkila, Kari Kovasin, Karl-Erik Röberg, Olavi Toukonummi
  • Process for feeding pulp into a blow tank or storage tank
    Publication number: 20060090869
    Abstract: A method and apparatus for treating pulp in connection with a blow tank or a storage tank. The pulp is discharged from a batch digester and fed either to the upper or the lower part of a blow tank, depending on the consistency of the pulp being discharged from the digester.
    Type: Application
    Filed: September 9, 2005
    Publication date: May 4, 2006
    Applicant: Sulzer Pumpen AG
    Inventors: Martti Heikkila, Kari Kovasin, Karl-Erik Roberg, Olavi Toukonummi
  • Process for feeding pulp into a blow tank or storage tank
    Patent number: 6958109
    Abstract: A method and apparatus for treating pulp being fed into a blow tank or a storage tank. A preferred embodiment is that the pulp is discharged from a batch digester (10) and fed either to the upper or lower part of a blow tank (20), depending on the consistency of the pulp being discharged from the digester.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: October 25, 2005
    Assignee: Sulzer Pumpen AG
    Inventors: Martti Heikkila, Kari Kovasin, Karl-Erik Róberg, Olavi Toukonummi