Patents by Inventor Ulf Erik Thors

Ulf Erik Thors 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: 6874259
    Abstract: A device for working a snow surface, includes an endless flexible band, snow-working members arranged on the outside of the band, support elements for supporting and guiding the band, drive elements capable of moving the band around the support elements. Shaping elements are arranged and designed such as to be capable of changing the shape of the part of the band that is in contact with the snow-surface during work.
    Type: Grant
    Filed: February 10, 2003
    Date of Patent: April 5, 2005
    Assignee: MCS Multicat Systems AB
    Inventors: Gustaf Eriksson, Ulf Erik Thors
  • Publication number: 20030177668
    Abstract: The present invention relates to a device for working a snow surface, comprising an endless flexible band, snow-working members arranged on the outside of the band, support means for supporting and guiding the band, drive means capable of moving the band around the support means. The invention is characterised in shaping means arranged and designed such as to be capable of changing the shape of the part of the band that is in contact with the snow-surface during work.
    Type: Application
    Filed: February 10, 2003
    Publication date: September 25, 2003
    Inventors: Gustaf Eriksson, Ulf Erik Thors