Patents by Inventor Heikki Ohvo

Heikki Ohvo 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 storing rolling material in a pile and reclaiming from the pile
    Patent number: 8387778
    Abstract: The invention relates to an apparatus for stacking rolling material, such as wood chips, bark or grain into a pile (10) and reclaiming from the pile (10) to a conveyor (20) located below the storing point, said apparatus comprising a center column (30) that supports a stacker boom (40) and a reclaimer boom (50) that are hinged to be turnable independently of each other in relation to the vertical axis of the center boom (30). A characteristic feature of the apparatus is that at least at one point that is hinged in relation to the center column (30) the supporting is arranged resting on a support wheel (60, 60?, 60?) arranged around the frame of the center column (30).
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: March 5, 2013
    Assignee: Andritz Oy
    Inventors: Pekka Kokko, Heikki Ohvo
  • Apparatus for storing rolling material in a pile and reclaiming from the pile
    Patent number: 8381899
    Abstract: The invention relates to an apparatus for stacking rolling material, such as e.g. wood chips, bark or grain into a pile (10) and reclaiming from the pile (10) to a material-discharging conveyor (20) located below the storing point, which apparatus comprises a center column (30) that supports a stacker boom (40) and a reclaimer boom (50), an equalizing hopper (60), at least one conveyor (25) located in the equalizing hopper (60) for transmitting the material being discharged to the discharging conveyor (20). A characteristic feature of the apparatus is that the center column (30) is supported directly through the equalizing hopper (60) onto the bottom of the equalizing hopper's (60) foundation.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: February 26, 2013
    Assignee: Andritz Oy
    Inventors: Pekka Kokko, Heikki Ohvo
  • APPARATUS FOR STORING ROLLING MATERIAL IN A PILE AND RECLAIMING FROM THE PILE
    Publication number: 20110094857
    Abstract: The invention relates to an apparatus for stacking rolling material, such as e.g. wood chips, bark or grain into a pile (10) and reclaiming from the pile (10) to a material-discharging conveyor (20) located below the storing point, which apparatus comprises a center column (30) that supports a stacker boom (40) and a reclaimer boom (50), an equalizing hopper (60), at least one conveyor (25) located in the equalizing hopper (60) for transmitting the material being discharged to the discharging conveyor (20). A characteristic feature of the apparatus is that the center column (30) is supported directly through the equalizing hopper (60) onto the bottom of the equalizing hopper's (60) foundation.
    Type: Application
    Filed: June 10, 2009
    Publication date: April 28, 2011
    Applicant: ANDRITZ OY
    Inventors: Pekka Kokko, Heikki Ohvo