Patents by Inventor Jong-Kyu Hwang

Jong-Kyu Hwang 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).

  • Air intake for vacuum-conveyance waste collection system
    Patent number: 8209814
    Abstract: There is provided an air intake for a vacuum-conveyance waste collection system, to form a high-speed air flow by allowing air to enter a conveying line through which waste being put into a waste receiving device is conveyed to a central waste collection station.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: July 3, 2012
    Assignees: Kolon Global Corporation, Eunsang Plant Co., Ltd.
    Inventors: Seung-Hyun Kang, Jong-Kyu Hwang, Yun-Ho Jung, Sang-Bong Chang
  • WASTE COLLECTION SYSTEM AND METHOD FOR OPENING/CLOSING WASTE RECEIVING DEVICE IN THE WASTE COLLECTION SYSTEM
    Publication number: 20100243405
    Abstract: There are provided a waste collection system and a method for opening/closing a waste receiving device in the waste collecting system. The waste collection system comprises: a cover formed to be opened/closed on a waste receiving device; a damper formed to be opened/closed under the waste receiving device through the cover and an interlocker; and a housing. The waste collection system further comprises: a user recognition system positioned at the front of the housing; and a driving unit for driving the opening/closing of the damper, wherein the driving unit is on/off based on the results of the user recognition system.
    Type: Application
    Filed: September 18, 2009
    Publication date: September 30, 2010
    Applicants: KOLON CONSTRUCTION CO., LTD., EUNSUNG PLANT CO., LTD.
    Inventors: Seung-Hyun KANG, Jong-Kyu HWANG, Yun-Ho JUNG, Sang-Bong CHANG
  • AIR INTAKE FOR VACUUM-CONVEYANCE WASTE COLLECTION SYSTEM
    Publication number: 20100236011
    Abstract: There is provided an air intake for a vacuum-conveyance waste collection system, to form a high-speed air flow by allowing air to enter a conveying line through which waste being put into a waste receiving device is conveyed to a central waste collection station.
    Type: Application
    Filed: October 15, 2009
    Publication date: September 23, 2010
    Applicants: KOLON CONSTRUCTION CO., LTD., EUNSUNG PLANT CO., LTD.
    Inventors: Seung-Hyun KANG, Jong-Kyu Hwang, Yun-Ho Jung, Sang-Bong Chang
  • WASTE DISCHARGE VALVE FOR VACUUM-CONVEYANCE WASTE COLLECTION SYSTEM
    Publication number: 20100212103
    Abstract: There is provided a waste discharge valve for a vacuum-conveyance waste collection system in which waste put in a waste receiving device is automatically conveyed to a central waste collection station through a conveying line.
    Type: Application
    Filed: October 15, 2009
    Publication date: August 26, 2010
    Applicants: KOLON CONSTRUCTION., LTD., EUNSUNG PLANT CO., LTD.
    Inventors: Seung-Hyun Kang, Jong-Kyu Hwang, Yun-Ho Jung, Sang-Bong Chang
  • CAPACITY-LIMITED WASTE RECEIVING DEVICE FOR WASTE COLLECTION SYSTEM
    Publication number: 20100200360
    Abstract: There is provided a capacity-limited waste receiving device for a waste collection system, in which a waste receiving device in a vacuum-conveyance waste collection system (which conveys waste along a line) automatically conveying the waste to a central collecting station is improved to be more efficient.
    Type: Application
    Filed: September 18, 2009
    Publication date: August 12, 2010
    Applicants: KOLON CONSTRUCTION CO., LTD., EUNSUNG PLANT CO., LTD.
    Inventors: Seung-Hyun KANG, Jong-Kyu HWANG, Yun-Ho JUNG, Sang-Bong CHANG