Patents by Inventor Naoto Yasukouchi

Naoto Yasukouchi 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: 5421963
    Abstract: Coke feed device with housing (6) for a coke dry cooling installation which is allocated to a cooling shaft (41) and consists of a stationary hopper (1) with an extraction line (9), a movable hopper (2), a movable, liftable and lowerable cooling shaft closure (8) and the housing (6) containing the movable hopper (2) and the cooling shaft closure (8) which are arranged on a joint chassis (22) running on rails (49). The movable hopper (2, 200, 201) is fitted with a distribution bell (3, 4) and a liftable and lowerable sealing ring (11) and the movable cooling shaft closure (8) fitted with a sealing ring (55) is integrated into a lifting and lowering device (15) and the housing (6, 600, 601) takes the form of a hood clear of the floor or with apertures in the walls (45, 450, 451, 46, 460, 461) for a limited secondary air supply.
    Type: Grant
    Filed: July 8, 1993
    Date of Patent: June 6, 1995
    Assignees: Ruhrkohle Aktiengesellschaft, Nippon Steel Corporation
    Inventors: Wilhelm Stewen, Heinz Opdenwinkel, Norbert Dunker, Naoto Yasukouchi, Kazushi Kishigami