Patents by Inventor Tutomu Oohashi

Tutomu Oohashi 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).

  • Liquid filling apparatus having a biased gas pipe mounted for a small range of movement
    Patent number: 5161585
    Abstract: The known liquid filling apparatus of the type including a housing, an annular liquid feed passageway, a liquid valve, a holding member and a gas pipe, is improved so as to facilitate cleaning of the interior of the apparatus, so as to be applicable to a container having a small mouth diameter, and so as to facilitate replacement of a gas pipe. The improvement resides in that, on the inner circumferential side of the holding member disposed slidably along the housing, are disposed a circular ring provided slidably along the same inner circumferential surface and a spring for normally biasing the circular ring in the downward direction.
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: November 10, 1992
    Assignees: Mitsubishi Jukogyo Kabushiki Kaisha, Churyo Engineering Kabushiki Kaisha
    Inventors: Kazunori Murao, Yukio Yamaguchi, Tutomu Oohashi