Patents by Inventor Tapio Järvensivu

Tapio Järvensivu 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 apparatus for measuring the properties of a composition or a component thereof used in the processing of a paper or board web
    Patent number: 6230550
    Abstract: The present invention relates to a method and apparatus for measuring the properties of a composition or a component thereof used in the processing of a paper or board web. According to the invention, a sample of the composition to be measured is taken into a measurement apparatus, the composition is measured at least for its density, viscosity, dry solids content and gas content, and is then passed out from the measurement apparatus.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: May 15, 2001
    Assignee: Valmet-Raisio Oy
    Inventors: John Bergman, Tapio Järvensivu, Mika Leiritie, Ilkka Roitto