Patents by Inventor Sang Ju ROH

Sang Ju ROH 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-conditioning and heating system for passenger boarding bridge and control system therefor
    Patent number: 9976781
    Abstract: A tunnel air-conditioning and heating apparatus is provided. the tunnel air-conditioning and heating apparatus may include a condenser provided at a rotunda; a compressor provided at the rotunda and connected to the condenser; an evaporator provided at a movable tunnel and connected to each of the condenser and the compressor; and a condenser connection pipe configured to connect the condenser with the evaporator and a compressor connection pipe configured to the compressor with the evaporator each of which is formed into a flexible coil.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: May 22, 2018
    Assignee: KOREA AIRPORTS CORPORATION
    Inventors: Hee Hyeong Cho, Dong Soo Kim, Won Lae Lim, Sang Ju Roh
  • Automatic slope adjusting device
    Patent number: 9839564
    Abstract: An automatic slope adjusting device is provided herein. The automatic slope adjusting device may include a slope type footrest unit configured to form a sloped passage; and a driving unit configured to adjust an inclination angle of the slope type footrest unit, and a length of the slot type footrest unit in a forward-backward direction thereof.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: December 12, 2017
    Assignee: KOREA AIRPORTS CORPORATION
    Inventors: Jae Bok Ryu, Sung Il Kim, Sang Ju Roh
  • Automatic Slope Adjusting Device
    Publication number: 20160193093
    Abstract: An automatic slope adjusting device is provided herein. The automatic slope adjusting device may include a slope type footrest unit configured to form a sloped passage; and a driving unit configured to adjust an inclination angle of the slope type footrest unit, and a length of the slot type footrest unit in a forward-backward direction thereof.
    Type: Application
    Filed: December 30, 2015
    Publication date: July 7, 2016
    Inventors: Jae Bok Ryu, Sung II Kim, Sang Ju Roh
  • AIR-CONDITIONING AND HEATING SYSTEM FOR PASSENGER BOARDING BRIDGE AND CONTROL SYSTEM THEREFOR
    Publication number: 20150330672
    Abstract: A tunnel air-conditioning and heating apparatus is provided. the tunnel air-conditioning and heating apparatus may include a condenser provided at a rotunda; a compressor provided at the rotunda and connected to the condenser; an evaporator provided at a movable tunnel and connected to each of the condenser and the compressor; and a condenser connection pipe configured to connect the condenser with the evaporator and a compressor connection pipe configured to the compressor with the evaporator each of which is formed into a flexible coil.
    Type: Application
    Filed: December 20, 2012
    Publication date: November 19, 2015
    Inventors: Hee Hyeong CHO, Dong Soo KIM, Won Lae LIM, Sang Ju ROH