Patents by Inventor Reino Miettinen

Reino Miettinen 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).

  • Method for arranging of ventilation of building and structure for applying of the method
    Patent number: 4887521
    Abstract: Method and apparatus for ventilating a building, in the rooms of which building there is induced a pressure that is different from the outside pressure. Air on one side of the wall of the building is led through openings in the external surface of the wall to the other side of the wall through air permeable insulation materials which are disposed in the wall and is directed by essentially impermeable directing materials which are placed in the wall.
    Type: Grant
    Filed: March 2, 1987
    Date of Patent: December 19, 1989
    Inventor: Reino Miettinen