Patents by Inventor Markku Oikarainen

Markku Oikarainen 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: 7908854
    Abstract: The invention relates to a method and an arrangement for recovering energy contained by waves. In the arrangement, a plurality of collecting devices (8) is coupled in series. Each collecting device comprises a float (7) coupled by means of a power transmission member (10, 11) to a motion converter (13). The coupling between the collecting devices may be mechanical, the motion converters being coupled up by means of an intermediate shaft (60).
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: March 22, 2011
    Assignees: Finn Escone Oy, Oitsu Oy
    Inventors: Esko Raikamo, Markku Oikarainen
  • Publication number: 20090056327
    Abstract: The invention relates to a method and a device for recovering energy contained by waves. The collecting device (8) comprises a float (7) coupled by means of one or more support bars (10, 11) to an actuator (12). At least one support bar is rigidly coupled to the float (7) or to a support member (62) in the float. In addition, the float (7) is arranged substantially entirely below water level.
    Type: Application
    Filed: April 5, 2006
    Publication date: March 5, 2009
    Inventors: Esko Raikamo, Markku Oikarainen
  • Publication number: 20090025382
    Abstract: The invention relates to a method and an arrangement for recovering energy contained by waves. In the arrangement, a plurality of collecting devices (8) is coupled in series. Each collecting device comprises a float (7) coupled by means of a power transmission member (10, 11) to a motion converter (13). The coupling between the collecting devices may be mechanical, the motion converters being coupled up by means of an intermediate shaft (60).
    Type: Application
    Filed: April 5, 2006
    Publication date: January 29, 2009
    Inventors: Esko Raikamo, Markku Oikarainen