Patents by Inventor Bum Joo Kang

Bum Joo Kang 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).

  • Batch chemical analyzer
    Patent number: 9322836
    Abstract: A batch chemical analyzer is disclosed, the analyzer including a reaction tank (100) in which sample and reagent are mixed, a detector (200), a switching valve (300), a multi-port valve (400), a pump (500) and an air suction/discharge hole (600), and particularly, the switching valve (300) includes a plurality of holes (301˜310) configured to receive sample and reagent and to send the same to the reaction tank (100) and the detector (200) for discharge to the outside, and the rotor (320) formed with a plurality of inlets (321˜325) simultaneously communicating with two adjacent holes of the plurality of holes (301˜310), whereby the two adjacent holes are differently paired to be communicated in two ways by the rotation of the rotor (320).
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: April 26, 2016
    Assignee: CENTENNIAL TECHNOLOGY COMPANY
    Inventors: Eun Hee Kim, Kyoung Su Park, Bum Joo Kang, Jae Gu Ahn, Song Beom Choi, Ji Hyun Kwak, Hye Jin Won
  • Batch Chemical Analyzer
    Publication number: 20110020180
    Abstract: A batch chemical analyzer is disclosed, the analyzer including a reaction tank (100) in which sample and reagent are mixed, a detector (200), a switching valve (300), a multi-port valve (400), a pump (500) and an air suction/discharge hole (600), and particularly, the switching valve (300) includes a plurality of holes (301˜310) configured to receive sample and reagent and to send the same to the reaction tank (100) and the detector (200) for discharge to the outside, and the rotor (320) formed with a plurality of inlets (321˜325) simultaneously communicating with two adjacent holes of the plurality of holes (301˜310), whereby the two adjacent holes are differently paired to be communicated in two ways by the rotation of the rotor (320).
    Type: Application
    Filed: February 13, 2009
    Publication date: January 27, 2011
    Inventors: Eun Hee Kim, Kyoung Su Park, Bum Joo Kang, Jae Gu Ahn, Song Beom Choi, Ji Hyun Kwak, Hye Jin Won