Patents by Inventor Tsugutoshi Yamada

Tsugutoshi Yamada 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).

  • Granular material coating apparatus
    Patent number: 5531826
    Abstract: The rotary drum has a cylindrical portion (tubular body portion) formed therein with vent holes. An annular duct is disposed at the outside of the cylindrical portion of the rotary drum in a manner to surround the cylindrical portion. This annular duct is provided with a gas supply duct and an exhaust duct. In the annular duct, partition walls define a vent path, in which the drying gas which has been supplied from the gas supply duct flows through an accumulated layer, and thereafter, flows to the exhaust duct. The direction of flow of the drying gas in the vent path is changed over by gas supply-exhaust changeover dampers.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: July 2, 1996
    Assignee: Freund Industrial Co., Ltd.
    Inventors: Yasutoyo Fusejima, Tsugutoshi Yamada, Shuri Yamada, Narimichi Takei
  • Apparatus for recovering heat from exhaust gases of marine prime movers
    Patent number: 4214450
    Abstract: An apparatus for recovering heat from the exhaust gases of marine prime movers of the kind including an exhaust gas economizer for effecting heat exchange between the exhaust gas discharged from the prime mover and feed water supplied under pressure from a feed water tank.
    Type: Grant
    Filed: March 14, 1978
    Date of Patent: July 29, 1980
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Kiyoshi Nagashima, Tsugutoshi Yamada