Patents by Inventor Kurt A. Johansson

Kurt A. Johansson 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: 4548003
    Abstract: A prefabricated balcony platform including attachment members to fasten the platform to the wall of a building, and apertures to secure a parapet to the platform. The balcony platform consists of a load-carrying beam frame of a corrosion-resistant metal, such as aluminium, a bottom slab of refractory material attached to the lower face of the beam frame and a top slab attached to the upper face of the beam frame and consisting of a material having heat-transfer properties, preferably aluminium. In the beam frame intermediate the two slabs is provided a layer of sound-proof, refractory material, such as mineral wool.
    Type: Grant
    Filed: March 8, 1983
    Date of Patent: October 22, 1985
    Assignee: Alnova Bygg Aktiebolag
    Inventors: Kurt A. Johansson, John-Eric Marcusson
  • Patent number: 3957240
    Abstract: A scaffolding bracket for attachment to a ship's bulkhead, or other vertical wall structure, having flanged, horizontally extending strengthening bars is provided with a beam and a hook member for engagement with a strengthening bar, at an arbitrarily selected point. One end of the beam, in mounted position, reaches in below the bar and is provided with an upwardly directed stanchion, upon which a two armed lever is pivotably mounted. A longer part of this lever is directed towards the hook member, leaving a clearance between its end and the hook member suitable for the reception of the flange of the strengthening bar.
    Type: Grant
    Filed: April 10, 1975
    Date of Patent: May 18, 1976
    Assignee: AB Gotaverken
    Inventor: Kurt Johansson
  • Patent number: D294485
    Type: Grant
    Filed: April 10, 1985
    Date of Patent: March 1, 1988
    Assignee: JTR Electrical Innovation AB
    Inventor: Kurt Johansson