Patents by Inventor Ari Luukkanen

Ari Luukkanen 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).

  • Suction device
    Patent number: 6787367
    Abstract: A method for detaching a barrier means adapted to the end part of the suction device for closing an opening in the end part by the movement of a plunger intended for changing the volume of a cylindrical space provided in the end part whereby the barrier means is removed by bringing means for limiting the movement of the plunger in the cylindrical space, e.g. means intended for removing the disposable tip, in such a position that the plunger can be brought into contact with the barrier means for detaching the barrier means from the end part of the suction device.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: September 7, 2004
    Assignee: Biohit Oyj
    Inventors: Osmo Suovaniemi, Erkki Kaski, Ari Luukkanen, Erkki Vesanen