Patents by Inventor Mikael Hellsten

Mikael Hellsten 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).

  • Beam
    Patent number: 6050048
    Abstract: An elongate beam that is constructed of a sheet metal having expanded metal sections. The beam has a closed profile that has at least two side sections at least one of which includes expanded metal. The opposite side edges of the sheet metal are connected to one another so that the sheet metal forms a closed beam structure.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: April 18, 2000
    Assignee: Balcus AB
    Inventor: Mikael Hellsten
  • Closed beam with expanded metal sections
    Patent number: 5778626
    Abstract: An elongate beam that is constructed of a sheet metal having expanded metal sections. The beam has a closed profile that has at least two side sections made with the expanded metal. The opposite side edges of the sheet metal are attached to one another so that the sheet metal forms a closed beam structure.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: July 14, 1998
    Inventor: Mikael Hellsten
  • Structural support
    Patent number: 4513551
    Abstract: A structural support made of sheet metal or like material has a surface (2,3) intended to support a building panel or some other structural member, which is secured to the surface by means of screws or like fasteners. In order to reduce the force required to drive the screws or like fasteners, such as nails, into the support, the aforementioned surface is provided with closely lying weakened areas within a fastening area (9,10), the points of the fasteners being guided into the weakened areas by inclined surfaces adjacent thereto.
    Type: Grant
    Filed: March 31, 1983
    Date of Patent: April 30, 1985
    Inventors: Ulf Gauffin, Mikael Hellsten