Patents by Inventor Stefan Hallstensson

Stefan Hallstensson 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).

  • Publication number: 20080161985
    Abstract: Fast boats create a water resistance that has a great effect on the consumption of fuel. The object of the present invention is to reduce the water resistance to a minimum by means of an arrangement that semi-automatically adjusts the direction of the propulsion force and the trimming planes so that minimum water resistance is obtained.
    Type: Application
    Filed: November 30, 2007
    Publication date: July 3, 2008
    Inventor: Stefan Hallstensson
  • Publication number: 20020117100
    Abstract: Fast boats create a water resistance that has a detrimental effect on the consumption of fuel. The object of the present invention is to reduce the water resistance to a minimum by meansf of an arrangement that automatically adjusts the direction of the propulsion force and the trimming planes so that minimum water resistance is obtained.
    Type: Application
    Filed: December 12, 2001
    Publication date: August 29, 2002
    Inventor: Stefan Hallstensson