Patents by Inventor Pertti Nuopponen

Pertti Nuopponen 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).

  • Patent number: 4974459
    Abstract: A procedure for implementing the liquid selection of analyzer liquid dispension, includes the steps of selecting a liquid vessel from among a plurality of such vessels, and taking liquid into the dispensing system for further treatment. The liquid path from the liquid vessel that has been selected is so connected to the dispensing unit that (i) the sealing surfaces constituting the connection do not substantially slide against one another and that (ii) sealing at the connection is accomplished by means of elastic deformation of at least one of the bodies being coupled.
    Type: Grant
    Filed: April 6, 1989
    Date of Patent: December 4, 1990
    Assignee: Kone Oy
    Inventors: Keijo Makela, Pertti Nuopponen, Pertti Tuominen