Patents by Inventor Lars-Gunnar Oberg

Lars-Gunnar Oberg 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).

  • Method of manufacturing tanks, containers, pipes, etc.
    Patent number: 4579617
    Abstract: Tanks, containers, pipes, etc., of sandwich construction may be manufactured by winding an inner sheet (3) onto a rotating mandrel (1), by then winding a hard insulation (8) which has been softened by heating in a microwave oven (9) onto the adhesive-coated inner sheet, and finally by winding a cover sheet (12) onto the adhesive-coated insulation layer.
    Type: Grant
    Filed: June 19, 1984
    Date of Patent: April 1, 1986
    Assignee: Dynatrans Technology, Ltd.
    Inventors: Lars-Gunnar Oberg, Bo W. Carlsson, Anders Bjurling
  • Lift truck with tiltable and rotatable lifting yoke
    Patent number: 4166712
    Abstract: A lift truck comprising an open-frame carriage having at least two longitudinal frame girders, two lifting arms, each of which is pivotally mounted relative to its respective longitudinal frame girder for pivotal movement relative to its respective frame girder; and a lifting yoke turnably mounted between the two lifting arms and being further tiltable relative to the lifting arms, the lifting yoke being turnable, relative to the lifting arms through an angle of at least 90.degree., and preferably about 110.degree..
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: September 4, 1979
    Assignee: AB Bygg-och Transportekonomi (BT)
    Inventor: Lars-Gunnar Oberg