Patents by Inventor Robert B. Law

Robert B. Law 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 bag
    Patent number: 5244279
    Abstract: A flexible container or bulk bag for bulk materials such as animal feed, granular products and powdered products includes a generally tubular body defining a bottom end and a top end. A bottom seal closes the bottom of the body. Stitching or other mechanical elements seal and close the top end of the body after the container is filled with product. The body defines a single point lift at the top end of the body for transport of the filled container.
    Type: Grant
    Filed: January 27, 1993
    Date of Patent: September 14, 1993
    Assignee: Ralston Purina Company
    Inventor: Robert B. Law