Patents by Inventor Kaneki Yamaguchi

Kaneki Yamaguchi 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: 5263832
    Abstract: An air-cooled oil-free screw compressor is provided with a first lubricating oil circulating flowpassage 1 which extends from an oil tank 20 via an oil pump 21 and an air heat exchanger 22 to cooling jackets 15 and 16 for cooling compressor bodies 12 and 13. A second such passage is connected between the cooling jackets and the oil tank and includes an oil filter 23, lubricating oil.
    Type: Grant
    Filed: July 2, 1992
    Date of Patent: November 23, 1993
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventor: Kaneki Yamaguchi