Patents by Inventor Takasi Takarabe

Takasi Takarabe 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).

  • Filtering device
    Patent number: 5948252
    Abstract: A filtering device provided a horizontal drum in which a filter layer made of granular filter material and a space portion are formed in a vertical direction within its interior; a crude water introducing/dirty water discharging first water flow pipe which passes through an axial portion of the horizontal drum from the outside of the horizontal drum and whose a crude water introducing/dirty water discharging first water flow portion is located in the space portion; and a filtered water introducing/washing water discharging second water flow pipe which passes through an axial portion of the horizontal drum from the outside of the horizontal drum and whose a filtered water introducing/washing water discharging second water flow portion is located in an interior of the filter layer.
    Type: Grant
    Filed: March 26, 1997
    Date of Patent: September 7, 1999
    Assignee: Takara Industries Co., Ltd.
    Inventors: Takasi Takarabe, Hironobu Nakatani