Patents by Inventor Karl-Gunter Schwartz

Karl-Gunter Schwartz 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).

  • Wall panelling for altering the acoustic properties of a wall
    Patent number: 4875312
    Abstract: A wall panelling for altering the acoustic properties of a wall, comprising wall elements adapted to have their orientation altered with respect to the wall. The wall panelling comprises a plurality of hinged frames mounted on the wall panelling or the wall itself and adapted to be swung away from the wall panelling or wall, respectively. The frames contain wall elements mounted therein for rotation by 180.degree. with respect to the associated frame. The front and rear faces of the wall elements have different acoustic absorption or reflection properties.
    Type: Grant
    Filed: February 5, 1988
    Date of Patent: October 24, 1989
    Assignee: G & H Montage
    Inventor: Karl-Gunter Schwartz