Patents by Inventor Jouni Heiskanen

Jouni Heiskanen 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).

  • Doctor equipment in connection with a roll/cylinder in a paper/board machine
    Patent number: 6547932
    Abstract: The invention relates to a doctor apparatus (10) in connection with a roll (T) in a paper or board machine. The doctor apparatus (10) comprises a doctor beam (12) of lightweight construction and that the doctor beam (12) is arranged to pivot on bearing means (13a1, 13a2 . . . ) (pivot movement arrow L1). In connection with the doctor beam there are loading members (14a1, 14a2), a relative linear movement taking place between the loading members (14a1, 14a2) and backup surfaces (12′, 15a′) when the doctor beam (12) is being oscillated.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: April 15, 2003
    Assignee: Metso Paper, Inc.
    Inventors: Antti Leinonen, Jouni Heiskanen, Kari Paloniemi, Kari Lamminmäki, Ilkka Rata, Ilkka Eskelinen, Samppa J. Salminen, Aimo Närväinen, Pentti Luoma, Jukka Samppala, Mika Saari, Reijo Hassinen