Patents by Inventor Jan Klasson

Jan Klasson 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).

  • Lawn mower knife assembly
    Patent number: 4594843
    Abstract: The invention relates to a lawn mower knife assembly including a rigid bar, plate or disc attached to a motor-driven generally vertical shaft and provided, at a distance from the shaft attachment, with at least two attachment points for knife means, and at least two knife means, each including a blade section provided with a cutting edge and a shank section adapted for the fixation of the knife means to the bar, plate or sheet.
    Type: Grant
    Filed: September 5, 1984
    Date of Patent: June 17, 1986
    Assignee: Stiga AB
    Inventors: Roger Andersson, Lennart Engdahl, Jan Klasson
  • Lawnmower blade
    Patent number: D289524
    Type: Grant
    Filed: February 29, 1984
    Date of Patent: April 28, 1987
    Assignee: Stiga AB
    Inventors: Roger Andersson, Lennart Engdahl, Jan Klasson
  • Lawn mower unit
    Patent number: D435564
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: December 26, 2000
    Assignee: Stiga AB
    Inventor: Jan Klasson