Patents by Inventor Gunnar Nordstrom

Gunnar Nordstrom 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: 7735697
    Abstract: Output device for a container (6) which includes a bottom and a surrounding wall, having a hub (1) and at least two arms (3) fixed to the hub (1). The invention is characterized in that each arm (3) is designed with at least one outer section designed and arranged to at use being capable of essentially preventing material from being brought towards the wall of the container, and at least one inner section connected to the outer section, designed and arranged to at use being capable of bringing the material essentially in the direction of feed for the device, at which the at least two arms (3) present essentially concave surfaces facing the direction of feed.
    Type: Grant
    Filed: December 15, 2003
    Date of Patent: June 15, 2010
    Assignee: Saxlund International AB
    Inventor: Gunnar Nordström
  • Publication number: 20060165512
    Abstract: Output device for a container (6) which includes a bottom and a surrounding wall, having a hub (1) and at least two arms (3) fixed to the hub (1). The invention is characterized in that each arm (3) is designed with at least one outer section designed and arranged to at use being capable of essentially preventing material from being brought towards the wall of the container, and at least one inner section connected to the outer section, designed and arranged to at use being capable of bringing the material essentially in the direction of feed for the device, at which the at least two arms (3) present essentially concave surfaces facing the direction of feed.
    Type: Application
    Filed: December 15, 2003
    Publication date: July 27, 2006
    Inventor: Gunnar Nordstrom
  • Patent number: 5957266
    Abstract: The present invention relates to an apparatus for feeding solid fuels in a space limited by a plane bottom plate, side walls and a pusher device arranged adjacent the bottom surface. A drive is located outside the walls and is attached to the pusher in order to obtain a reciprocating movement of the pusher. The invention is characterized in that the pusher comprises a number of pusher rods arranged substantially parallel with each other and substantially parallel with the bottom surface.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: September 28, 1999
    Assignee: Saxlund & Company
    Inventor: Gunnar Nordstrom