Patents by Inventor Takeyoshi Shishido

Takeyoshi Shishido 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).

  • Patent number: 4431483
    Abstract: An apparatus for distilling shale oil from oil shale, which comprises: a vertical type distilling furnace which is divided by two vertical partitions each provided with a plurality of vent apertures into an oil shale treating chamber and two gas chambers, said oil shale treating chamber being located between said two gas chambers in said vertical type distilling furnace, said vertical type distilling furnace being further divided by at least one horizontal partition into an oil shale distilling chamber in the lower part thereof and at least one oil shale preheating chamber in the upper part thereof, said oil shale distilling chamber and said oil shale preheating chamber communicating with each other through a gap provided at an end of said horizontal partition, an oil shale supplied continuously from an oil shale supply port provided in said oil shale treating chamber at the top thereof into said oil shale treating chamber continuously moving from the oil shale preheating chamber to the oil shale distilling c
    Type: Grant
    Filed: March 24, 1982
    Date of Patent: February 14, 1984
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Takeyoshi Shishido, Yoshio Sato