Patents by Inventor Melanie K. Lange

Melanie K. Lange 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).

  • Combustion system with reduced sulfur oxide emissions
    Patent number: 5199263
    Abstract: A coal-fired power plant with a wet scrubber wherein sulfite or bisulfite ions are converted to sulfate ions by forced aeration in the scrubber reaction tank. Air bubbles are introduced at only a few points in the tank, but an impeller is used which continually sweeps fine particulates off the tank bottom until they have reached a certain minimum size.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: April 6, 1993
    Assignee: Texas Utilities Electric Co.
    Inventors: Terence W. Green, Melanie K. Lange