Patents by Inventor Toivo Marttinen

Toivo Marttinen 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: 4444131
    Abstract: A seedling planter comprising a planting tube provided with a handle and having on its lower end a crown which produces in the soil a planting hole, this crown comprising on the continuation of the planting tube a stationary jaw tapering in wedge fashion towards its tip and having a cross sectional shape conforming to that of the planting tube, and to the lateral margins of this jaw having been affixed pivot pins located in the vertical plane passing through the planting tube's centre-line, on these pivot pins being turnably carried a moving jaw, likewise tapering in wedge fashion in its tip portion, and a yoke lever with U-shaped legs, to the bow part of which has been affixed a pedal lever located on one side of the planting tube, by depressing which the jaw can be made to assume its opened, planting position, in which it is securable with a locking device comprising, affixed to the stationary jaw on the side opposite to the pedal lever, a substantially vertical elastic metal wire provided with two bends sp
    Type: Grant
    Filed: November 18, 1982
    Date of Patent: April 24, 1984
    Assignee: T. Marttinen Ky
    Inventor: Toivo Marttinen
  • Patent number: 4372047
    Abstract: In connection with a land clearing saw, a sapling control substance dispensing device comprising a container for the sapling control substance, a control substance nozzle and a control substance duct leading from the container to the nozzle, this duct incorporating a manually operable valve (1) comprising a piston (4) provided with return spring (11) and a cylinder (5), with ports for the control substance entry duct (6) and exit duct (7), these ducts being provided with check valves (8,18). Within the piston has been installed an auxiliary piston (14) loaded with a spring (16) and which as the piston (4) is being moved opens or closes a needle valve (9) associated with the exit duct port.
    Type: Grant
    Filed: December 11, 1980
    Date of Patent: February 8, 1983
    Assignee: Enso-Gutzeit Osakeyhtio
    Inventor: Toivo Marttinen