Patents by Inventor Jaakko Pontelin

Jaakko Pontelin 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: 4313480
    Abstract: A wood chopper is disclosed for splitting, cutting and chopping firewood and the like which includes a rotating or reciprocating blade which cooperates with a stationary blade to simultaneously split and cut wood. The blade includes a sharp edge portion extending along a major axis of the wood which widens backwardly away from a direction of movement of the blade toward heel portions of the blade. The fixed blade is V-shaped and supports the wood to be cut. The heel portions of the blade may also be sharpened. The blade edge splits the wood and simultaneously urges the wood against the fixed blade so that the wood is split and cut in a single operation.
    Type: Grant
    Filed: June 13, 1980
    Date of Patent: February 2, 1982
    Inventor: Jaakko Pontelin