Patents by Inventor Jouko Harkonen

Jouko Harkonen 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: 4829626
    Abstract: The invention relates to a method of control for a device such as a vacuum cleaner or a central vacuum cleaner comprising a central machinery and a pipe or a pipe system connecting the central machinery with a working point.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: May 16, 1989
    Assignee: Allaway Oy
    Inventors: Jouko Harkonen, Reino Mustalampi
  • Patent number: RE36584
    Abstract: The invention relates to a method of control for a device such as a vacuum cleaner or a central vacuum cleaner comprising a central machinery and a pipe or a pipe system connecting the central machinery with a working point.
    Type: Grant
    Filed: May 14, 1991
    Date of Patent: February 29, 2000
    Assignee: Lindsay Mfg, Inc.
    Inventors: Jouko Harkonen, Reino Mustalampi