Patents by Inventor Eero Harilainen

Eero Harilainen 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).

  • Bottom structure of a boat
    Patent number: 4702188
    Abstract: The invention comprises a stepped bottom structure of a boat, in which the steps (5) are mainly straight. The number of the steps is from 2 to 4, preferably 3, and the angle between the mainly straight edge (8) of the step and the keel (1) is from 20.degree. to 60.degree., preferably from 20.degree. to 45.degree.. In addition, the bottom structure includes rising laths (10), in which the side (19) facing the keel (1) is narrower than the side (20) facing the side of the boat.
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: October 27, 1987
    Inventor: Eero Harilainen