Patents by Inventor Mamoru Tahara

Mamoru Tahara 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).

  • Method of returning geothermal gases to the underground
    Patent number: 5022787
    Abstract: Disclosed is a method of returning geothermal gases discharged from geothermal plants to the underground together with waste water through a return well, characterized in that the apparent velocity of waste water V.sub.eo relative to the return well is equal to or more than 1 m/s and the range of the apparent velocity of waste water V.sub.eo and of an apparent velocity of the geothermal gases V.sub.go is regulated to satisfy the following equation:V.sub.go <1.33V.sub.eo -0.41.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: June 11, 1991
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Mutsuo Kuragasaki, Mamoru Tahara, Shunsei Tazaki