Patents by Inventor Toshiaki Masaoka

Toshiaki Masaoka 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).

  • Method and apparatus for burning combustible solid residue from chemical plant
    Patent number: 5245937
    Abstract: A method of burning a combustible solid residue from a chemical plant, which comprises feeding a slurry of combustible solid residues in an oil, the amount of the oil being at least 0.5 part by weight per part by weight of the combustible solid residues, into a burner in a combustion furnace comprised of a main combustion chamber having the burner in its arch, a secondary combustion chamber formed in the lower portion of the main combustion chamber, and a flue gas duct provided beneath and following the secondary combustion chamber, burning the residue in the main combustion chamber, conducting the combustion gas into the secondary combustion chamber, and allowing it to reside at a temperature 800.degree. to 1000.degree. C. for at least 0.5 second.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: September 21, 1993
    Assignees: Mitsui Engineering & Shipbuilding Co., Ltd., Mitsui Petrochemical Industries, Ltd.
    Inventors: Noriaki Nakase, Masao Koyama, Masahiro Inada, Toshiaki Masaoka, Tohoru Abiko, Kenji Takahashi