Patents by Inventor Mitsuo Tazaki

Mitsuo Tazaki 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).

  • Screw conveyor type drying apparatus
    Patent number: 4761897
    Abstract: A screw conveyor type drying apparatus has a plurality of hollow drive shafts each having a plurality of hollow feed vanes located on the respective drive shaft along an imaginary helix positioned on the outer peripheral surface of the drive shaft. The drive shafts are driven so that adjacent drive shafts are rotated in mutually opposite directions, whereby a material to be dried is conveyed. A heating fluid supply device feeds heating fluid into the hollow internal of the feed vanes through the hollow drive shafts, whereby the material coming in contact with the feed vanes during conveyance is heated and dried.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: August 9, 1988
    Assignee: Kubota, Ltd.
    Inventors: Mitsuo Tazaki, Kenji Ohata