Patents by Inventor Joel Majurinen

Joel Majurinen 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).

  • Building block system magnetic
    Patent number: 5088951
    Abstract: Building block system, magnetically held together, comprising a base plate (1) and at least one building block (2). The base plate (1) comprises a magnetizable metal core (3) and at least one building block (2) comprises at least one magnetizable metallic joining element (4) placed inside the building block. The metal core (3) of the building block system is preferably electrically magnetizable and the parts of the system have smooth surfaces.
    Type: Grant
    Filed: November 7, 1990
    Date of Patent: February 18, 1992
    Assignee: Insinooritoimisto Joel Majurinen KY
    Inventor: Joel Majurinen
  • Arrangement in an intermediate floor or the base floor of a building
    Patent number: 4945695
    Abstract: The specification relates to an arrangement in an intermediate floor or the base floor of a building, producing a duct system for electrical or HEPAC installations. At the end of the cored slabs (1) there is produced, by means of a supporting component (3), a transverse duct which communicates with the cores (6) of the cored slabs. The duct may also be formed by means of a channel beam which adjoins the end surfaces (5) and has openings in alignment with the cores (6). The transverse duct is preferably covered with a separate cover (4).
    Type: Grant
    Filed: July 10, 1989
    Date of Patent: August 7, 1990
    Assignee: Insinooritoimisto Joel Majurinen Ky
    Inventor: Joel Majurinen