Patents by Inventor Pentti Ahonen

Pentti Ahonen 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).

  • Insulation of structures
    Patent number: 4656783
    Abstract: Insulation of structures making use of plastic strips which are proportioned and disposed to achieve a desired insulation effect.
    Type: Grant
    Filed: April 5, 1984
    Date of Patent: April 14, 1987
    Inventor: Pentti Ahonen
  • Window insulation
    Patent number: 4624077
    Abstract: An improved technique for providing air tight insulation for a window, particularly a double-hung window, in which there is provided a window panel separating bead for carrying one or more gaskets extending longitudinally of the bead and adapted to be in a folded engaged position for providing an air tight seal between the window panel frame and the bead.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: November 25, 1986
    Inventor: Pentti Ahonen