Patents by Inventor Juha Antero Kniivilä

Juha Antero Kniivilä 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).

  • Apparatus for controlling a headbox in a paper machine
    Patent number: 6491792
    Abstract: Method and apparatus for controlling the mixing proportions of feed streams being supplied to a headbox, using devices for sampling two or more of the feed streams upstream of the headbox and devices for measuring concentration of constituents in or other properties of those samples. A method of regulating one or more properties of a moving web, and especially a paper web during manufacture, employing the aforesaid method and apparatus are also disclosed.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: December 10, 2002
    Assignee: Metsuo Paper, Inc.
    Inventors: John Francis Shakespeare, Juha Antero Kniivilä, Petri Nyberg
  • Method and apparatus for controlling a headbox in a paper machine
    Patent number: 6284100
    Abstract: Method and apparatus for controlling the mixing proportions of feed streams being supplied to a headbox, using devices for sampling two or more of the feed streams upstream of the headbox and devices for measuring concentration of constituents in or other properties of those samples. A method of regulating one or more properties of a moving web, and especially a paper web during manufacture, employing the aforesaid method and apparatus are also disclosed.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: September 4, 2001
    Assignee: Valmet Corporation
    Inventors: John Francis Shakespeare, Juha Antero Kniivilä, Petri Nyberg