Patents by Inventor Elaine K. Vavra

Elaine K. Vavra 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).

  • All poly container with separable tank and pallet members
    Patent number: 5836472
    Abstract: A container for bulk liquid storage consisting of a tank member with lifting surfaces and a pallet having downwardly facing surfaces. The lifting surfaces and the downwardly facing surfaces are substantially in vertical alignment with each other and interfit together with removably mounted structural members in between them to hold the tank member and the pallet together. The tank member is structured to thoroughly drain through a discharge port without any additional action by the user. The container is made from a corrosion resistant material and is easy to assemble and disassemble.
    Type: Grant
    Filed: October 24, 1996
    Date of Patent: November 17, 1998
    Assignee: Hoover Group, Inc.
    Inventors: Elaine K. Vavra, Dwight E. Nichols