Patents by Inventor Jouko Kalmi

Jouko Kalmi 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).

  • Friction member and a method for its surface treatment
    Patent number: 6821447
    Abstract: A method of surface treatment of friction members includes providing a friction member made of PMMC material. A transfer layer is formed on the active surface of the friction member of removing the top layer of the matrix material to expose a surface with the embedded reinforcing particles.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: November 23, 2004
    Assignees: Norsk Hydro ASA, Volvo Car Corporation
    Inventors: Torkil Storstein, Claes Kuylenstierna, Jouko Kalmi