Patents by Inventor Risto J. Heinonen

Risto J. Heinonen 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).

  • Optical measuring arrangement
    Patent number: 6259527
    Abstract: The invention relates to an optical measuring arrangement for measuring, particularly for liquid or gaseous substances (103). The measuring arrangement comprises at least one measuring head (104, 106) operating on an optical measuring band, and a measuring head holder (100) comprising a hole (108, 112) for fastening and supporting the measuring head (104, 106). In the hole, the holder (100) comprises an end piece (110) through which the measurement is to be made. On the optical band of the measuring head (104, 106), the end piece (110) is substantially transparent. Furthermore, the end piece (110) separates the measuring head from the substance (103) to be measured disposed in the measuring area (102).
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: July 10, 2001
    Assignee: Metso Field Systems Oy
    Inventors: Arvo Rahikkala, Risto J. Heinonen