Patents by Inventor Markku Viinikainen

Markku Viinikainen 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).

  • Apparatus for cleaning channels for air conditioning and other purposes
    Patent number: 7089623
    Abstract: The present invention concerns an arrangement for cleaning ducts and chimneys, such as air conditioning ducts. The arrangement comprises a guide wire cable having a cleaning end and a feed end, a brush or some other tool being connected to the cleaning end of the guide wire cable, and a drive unit connected to the feed end of the guide wire cable, the arrangement further comprising transmission means for moving the brush by means of the drive unit. According to the invention the drive unit comprises a hydraulic pump, the transmission means are provided by hydraulic pipes arranged inside the guide wire cable, and the primary drive unit for the brush being a hydraulic motor connected to the cleaning end of the guide wire cable.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: August 15, 2006
    Assignee: Oy Lifa Iaq LTD
    Inventors: Vesa Mäkipää, Kauko Salomäki, Markku Viinikainen