Patents by Inventor Edwin L. Cooley

Edwin L. Cooley 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).

  • Bulk material handling apparatus
    Patent number: 5009344
    Abstract: A bulk material handling apparatus comprising a spreader and a double sealed rigid container for dusty solid materials wherein the first seal may be removed from the container and the container may be inverted and lowered into and fixed in the top of the spreader after which the second seal may be removed to release materials from the container into the bottom of the spreader without creating a dust cloud.
    Type: Grant
    Filed: October 16, 1989
    Date of Patent: April 23, 1991
    Inventor: Edwin L. Cooley