Patents by Inventor Egil Flakk

Egil Flakk 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: 4860811
    Abstract: A turnable window arrangement has a window sash to be rotated about a horizontal axis through approximately 180.degree. relative to a window frame. The window frame is provided with a separately removable air screening filter secured to the frame in a position inside the swinging path of said sash. A link arm mechanism is arranged to lock the sash in different positions between completely closed and opened venting positions.
    Type: Grant
    Filed: February 18, 1988
    Date of Patent: August 29, 1989
    Assignee: A/S Spilka Inco Ltd.
    Inventor: Egil Flakk
  • Patent number: 4475324
    Abstract: Valve suitable for use in a relatively narrow elongate opening to an air duct in a window frame which opening faces inwardly towards an accommodation space. The valve has at least two, preferably three, separately made, elongate members made by extrusion. A first valve body-forming member and a second holder-forming member together with a third support-forming member are adapted to be pivoted relative to each other. In the closed position of the valve the members are adapted to support each other in triangular form over a substantial part of the length dimension of the valve. The first and second members are jointed together as a pair and the third member is jointed together as a pair with the first member as well as being adapted to make a snap-forming supporting abutment against the second member.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: October 9, 1984
    Assignee: Kva-Spil Limited
    Inventor: Egil Flakk