Patents by Inventor Chang-Hyo Ahn

Chang-Hyo Ahn 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: 9795904
    Abstract: A filtering membrane module and a filtering apparatus having the same, which is capable of remarkably reducing a vibration of filtering membrane module during an aeration process for a maintenance cleaning of filtering membrane, and preventing a crack from occurring in the filtering membrane module by the vibration, wherein the filtering membrane module comprises a filtering membrane; a header, to which the filtering membrane is potted, including a first lateral side and a second lateral side opposite to the first lateral side; a first coupling unit provided at the first lateral side; and a second coupling unit provided at the second lateral side.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: October 24, 2017
    Assignee: KOLON GLOBAL CORPORATION
    Inventors: Moon Sun Kang, Chang-Hyo Ahn, Geon Tae Kim, Hee-Deung Park
  • Publication number: 20150144545
    Abstract: A filtering membrane module and a filtering apparatus having the same, which is capable of remarkably reducing a vibration of filtering membrane module during an aeration process for a maintenance cleaning of filtering membrane, and preventing a crack from occurring in the filtering membrane module by the vibration, wherein the filtering membrane module comprises a filtering membrane; a header, to which the filtering membrane is potted, including a first lateral side and a second lateral side opposite to the first lateral side; a first coupling unit provided at the first lateral side; and a second coupling unit provided at the second lateral side.
    Type: Application
    Filed: February 3, 2015
    Publication date: May 28, 2015
    Applicant: KOLON CONSTRUCTION CO., LTD.
    Inventors: Moon Sun KANG, Chang-Hyo AHN, Geon Tae KIM, Hee-Deung PARK
  • Patent number: 9005441
    Abstract: A filtering membrane module and a filtering apparatus having the same, which is capable of remarkably reducing a vibration of filtering membrane module during an aeration process for a maintenance cleaning of filtering membrane, and preventing a crack from occurring in the filtering membrane module by the vibration, wherein the filtering membrane module comprises a filtering membrane; a header, to which the filtering membrane is potted, including a first lateral side and a second lateral side opposite to the first lateral side; a first coupling unit provided at the first lateral side; and a second coupling unit provided at the second lateral side.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: April 14, 2015
    Assignee: Kolon Global Corporation
    Inventors: Moon Sun Kang, Chang-Hyo Ahn, Geon Tae Kim, Hee-Deung Park
  • Publication number: 20100258492
    Abstract: A filtering membrane module and a filtering apparatus having the same, which is capable of remarkably reducing a vibration of filtering membrane module during an aeration process for a maintenance cleaning of filtering membrane, and preventing a crack from occurring in the filtering membrane module by the vibration, wherein the filtering membrane module comprises a filtering membrane; a header, to which the filtering membrane is potted, including a first lateral side and a second lateral side opposite to the first lateral side; a first coupling unit provided at the first lateral side; and a second coupling unit provided at the second lateral side.
    Type: Application
    Filed: October 16, 2008
    Publication date: October 14, 2010
    Applicant: KOLON CONSTRUCTION CO., LTD
    Inventors: Moon Sun Kang, Chang-Hyo Ahn, Geon Tae Kim, Hee-Deung Park