Patents by Inventor Sami Lumijärvi

Sami Lumijärvi 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).

  • Beam structure for a web forming machine
    Patent number: 7662261
    Abstract: A beam structure for a web forming machine is arranged to be supported by its end components (10) on the web forming machine. The beam structure includes a casing structure (15) of a thin-sheet material, inside which a stiffener structure (30) is arranged. In addition, the casing structure (15) and the stiffener structure (30) are secured to each other to create a load-bearing beam structure.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: February 16, 2010
    Assignee: Metso Paper, Inc.
    Inventors: Leo Kurkinen, Rami Vanninen, Sami Lumijärvi, Kari Vasenius, Kari Holopainen, Reijo Hassinen, Hannu Nikula, Jukka Samppala