Patents by Inventor Antti Tuomas Saikku

Antti Tuomas Saikku 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).

  • Felling and cutting device
    Patent number: 4106537
    Abstract: A device for cutting or felling trees comprises a rotating blade of uniformly increasing width in the shape of a partial, truncated cone mounted on the edge of a base disk. The blade does not extend completely around the base disk. Cutting is performed by attacking the tree at an angle and rotating the blade in the direction of increasing width.
    Type: Grant
    Filed: January 24, 1977
    Date of Patent: August 15, 1978
    Assignee: Rauma-Repola Oy
    Inventor: Antti Tuomas Saikku