Patents by Inventor Hannu Hietanen

Hannu Hietanen 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).

  • Shaker/incubator
    Patent number: 5346303
    Abstract: A shaker/incubator (10) comprising an even number of shaking planes (11) placed one on top of the other, which can be brought into a shaking motion by means of a rotating shaft (15) with eccentrics (20) attached thereto. Every second shaking plane is in the same phase of the shaking motion. The shaking planes are connected to each other by three vertical shafts (14, 15, 16) or by one vertical shaft (15) disposed in the middle so that the shaking plane connected to a toothed gear (24) rolls along a toothed rim (26) formed in the body (25).
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: September 13, 1994
    Assignee: Wallac Oy
    Inventors: Aarne Heinonen, Hannu Hietanen