Patents by Inventor Woo Suk Hur

Woo Suk Hur 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).

  • Arrangement structure of heat exchanger in condensing gas boiler
    Patent number: 7353781
    Abstract: An arrangement structure of heat exchangers in a condensing gas boiler is provided, which includes a casing provided with a combustion chamber therein, and a gas burner provided in the lower portion of the combustion chamber.
    Type: Grant
    Filed: May 22, 2003
    Date of Patent: April 8, 2008
    Assignee: Kyungdong Navien Co., Ltd
    Inventors: Yong Hyen Jung, Woo Suk Hur
  • Condensing gas boiler having structure of preventing corrosion caused by using heterogeneous metal
    Patent number: 6907846
    Abstract: A condensing gas boiler having a corrosion prevention structure of preventing corrosion caused by using heterogeneous metal is provided, which includes a casing provided with a combustion chamber therein; a present heat exchanger arranged in the casing, which includes a first tubular tube made of a copper material having a plurality first thermal pins formed by processing an outer circumferential surface; a latent heat exchanger disposed at a distance from the present heat exchanger, which includes a second tubular tube whose inner portion is made of a copper material and whose outer portion is made of aluminum, having a plurality second thermal pins formed by processing an outer circumferential surface; end plates contacting and engaged with each other while the present heat exchanger and the latent heat exchanger are fixedly arranged in respective rows and installed in the casing; and a plurality of connection tubes which are mutually connected through a connection portion so that water can circulate throug
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: June 21, 2005
    Assignee: Kyungdong Boiler Co., Ltd.
    Inventors: Woo Suk Hur, Youn Cheol Shin
  • Arrangement structure of heat exchanger in condensing gas boiler
    Publication number: 20040031480
    Abstract: An arrangement structure of heat exchangers in a condensing gas boiler is provided, which includes a casing provided with a combustion chamber therein, and a gas burner provided in the lower portion of the combustion chamber.
    Type: Application
    Filed: May 22, 2003
    Publication date: February 19, 2004
    Inventors: Yong Hyen Jung, Woo Suk Hur