Patents by Inventor Esko Hietanen

Esko Hietanen 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).

  • Apparatus for preventing drying of nozzle in fluid dispensing device
    Patent number: 6843431
    Abstract: An apparatus for preventing the drying of at least one nozzle of a fluid dispensing device includes an element providing moist gas, a supply hose for moist gas and a gas controller which forms a space around the nozzle. Moist gas is led into the space around the nozzle from the elements providing gas through the supply hose. Moist gas leaking out of the space is replaced by new moist gas led into the space.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: January 18, 2005
    Assignee: CPS Color Group Oy
    Inventors: Pentti Airaksinen, Esko Hietanen, Jukka Hietanen
  • Apparatus for preventing drying of nozzle in fluid dispensing device
    Publication number: 20040056111
    Abstract: An apparatus for preventing the drying of at least one nozzle of a fluid dispensing device includes an element providing moist gas, a supply hose for moist gas and a gas controller which forms a space around the nozzle. Moist gas is led into the space around the nozzle from the elements providing gas through the supply hose. Moist gas leaking out of the space is replaced by new moist gas led into the space.
    Type: Application
    Filed: September 2, 2003
    Publication date: March 25, 2004
    Inventors: Pentti Airaksinen, Esko Hietanen, Jukka Hietanen
  • Valve actuator for a dosing pump for a paint toning machine
    Patent number: 4503721
    Abstract: A valve actuator for a dosing pump for a paint toning machine, wherein the dosing pumps (3) are mounted in a sled movable with respect to the frame of the machine and a dosing mechanism (21-24) displacing the pistons (4) of the dosing pumps and an actuator rotating the valves (8) of the dosing pumps are mounted in the frame. The actuator comprises a crank (13) mounted rotatably in the frame and two cam rods (15, 16) which are mounted pivotally in the frame and of which one (15) is located in the path of movement of the crank and the other (16) is provided with a transfer mechanism (26) for transferring the cam rod optionally into and out of the path of movement of the crank.
    Type: Grant
    Filed: February 8, 1983
    Date of Patent: March 12, 1985
    Assignee: Oy W. Rosenlew AB
    Inventors: Esko Hietanen, Pentti Airaksinen
  • Vessel mobile on air cushion or the like
    Patent number: 4046215
    Abstract: A propeller driven vehicle, such as an air cushion hovercraft, comprising a hull, a teardrop shaped cabin mounted on the hull and a propeller arranged in front of the cabin. A gutter shaped obstructing plate is pivotally mounted to each side wall of the cabin and is movable between a horizontal and vertical position. When the obstructing plate is moved from its horizontal position to obstruct the air flow from the propeller around the side wall of the cabin, a pressure differential is created on the cabin which is effective in steering the vehicle.
    Type: Grant
    Filed: September 30, 1975
    Date of Patent: September 6, 1977
    Inventors: Esko Hietanen, Ari Hietanen, deceased, by Margo-Ritta Hietanen, heiress