Patents by Inventor Charles R. Zickefoose

Charles R. Zickefoose 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).

  • Apparatus and method for transporting buoyant particulate matter such as ice to a submerged location in a fluid
    Patent number: 5195850
    Abstract: Buoyant particles entrained in a transport water are delivered to the bottom of a flooded vessel, overcoming the buoyant force of the particles and other fluid dynamics problems associated with entrained fluid flow. In a preferred embodiment, ice particles are delivered through a conduit to the bottom of a flooded thermal storage tank by entraining the ice particles in a swirling transport water.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: March 23, 1993
    Assignees: Carolina Power & Light Company, North Carolina Alternative Energy Corporation
    Inventors: Thomas L. Davis, Robert N. Elliott, III, Charles R. Zickefoose