Patents by Inventor Karl Elof Zetterlund

Karl Elof Zetterlund 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: 6840754
    Abstract: This invention is a hand held motor driven scooper intended to facilitate handling of frozen ice cream and at the same time form attractive spheres of same. The device is equipped with a half circle shaped arc at the end of a tube, in which arc half circle shaped claws are inserted. The claws will slide in and out as per the operators command. When fully extended a circle shaped unit is formed. When operating in the substance the claws are first fully retracted and the arc is rotated until it is embedded in the substance. The operator then activates the claws which gradually extends during the continues rotation of the unit, until when fully extended a sphere of the substance has formed. When serving where intended, the sphere is released by command to retract the claws. The arc is not rotating whilst the claws are retracted.
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: January 11, 2005
    Inventor: Karl Elof Zetterlund
  • Publication number: 20030024401
    Abstract: This invention is a hand held motor driven scooper intended to facilitate handling of frozen ice cream and at the same time form attractive spheres of same. The device is equipped with a half circle shaped arc at the end of a tube in which tube a rod is inserted and which rod can rotate with or separate from the tube. The half circle arc is equipped with extendable and retractable claws one on each side.
    Type: Application
    Filed: July 24, 2002
    Publication date: February 6, 2003
    Inventor: Karl Elof Zetterlund