Patents by Inventor Edward W. Olewinski

Edward W. Olewinski 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: 4746034
    Abstract: A portable liquid container has a four-sided shell enclosed by a bottom wall and a top wall. The bottom wall is formed by four triangular portions sloping downwardly to a delivery opening. The top wall has an upwardly sloping configuration with an enlarged opening in the middle thereof. The opening is normally covered by a lid. Two lifting channels and a delivery pipe and valve are located on the underside of the bottom wall. Four legs attached to the bottom wall support the container at a height sufficient to clear the delivery pipe and lifting channels. Leg positioners are located at the upper corners of the container and are arranged to receive the legs of a second like container stacked on top of a first container.
    Type: Grant
    Filed: February 13, 1987
    Date of Patent: May 24, 1988
    Assignee: Nalco Chemical Company
    Inventors: Ali D. Ata, Edward W. Olewinski