Patents by Inventor Tarmo Koskinen

Tarmo Koskinen 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: 4909556
    Abstract: Transport container for the transport of bulk material provided with a filling-hole in the upper part and an emptying device in the rear. For the loading and unloading of also parcelled goods the container is provided with a side section that can be opened, and that the emptying device comprises a pneumatic pressure discharger with a pressure vessel into which the bulk material can freely flow from the container through a check valve and in which, with the check valve closed, pressure can be produced for discharging the bulk material through a discharge pipe.
    Type: Grant
    Filed: September 22, 1987
    Date of Patent: March 20, 1990
    Inventor: Tarmo Koskinen