Patents by Inventor Lennart Engdahl

Lennart Engdahl 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
  • Device for limiting pivotal movements of a lawn mower handle
    Patent number: 4012052
    Abstract: A lawn mower has a pivoted handle with a link thereon engaging cam-like slot structure on the housing to selectively confine handle positions. A lever on the handle will change link position in the slot to select one of a plurality of handle positions.
    Type: Grant
    Filed: October 2, 1975
    Date of Patent: March 15, 1977
    Assignee: Flymo Societe Anonyme
    Inventor: Karl Torsten Lennart Engdahl
  • 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