Patents by Inventor Sigeru Nakakita

Sigeru Nakakita 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).

  • Multi-stage fluidized-bed activated carbon regeneration apparatus
    Patent number: 4046530
    Abstract: An apparatus for fluidizing regeneration of activated carbon which has adsorbed therein organic contaminants such as organic amines, organic sulfur compounds and organic solvents. The apparatus comprises; a horizontal grid disposed within the housing thereof; a port for supplying activated carbon as well as a regenerating gas discharge port, both of which are provided in one end wall of the housing; and a regenerating gas supply port and a regenerated activated carbon discharge port, both of which are provided in the other end wall thereof.
    Type: Grant
    Filed: March 31, 1976
    Date of Patent: September 6, 1977
    Assignee: Daikin Kogyo Co. Ltd.
    Inventors: Masanori Izumo, Sigeru Nakakita