Sung-hwan Choi

7 Patents

• US125781202026

  Boiler for Making Hot Water and Room Heating Water Available Simultaneously

  0 cites
• US124491602025

  Method of Manufacturing Heat Exchanger Pipe

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• US122818182025

  Wavy Smoke Tube Structure of Boiler

  0 cites
• US121636952024

  Heat Exchanger Pipe, Method of Manufacturing Heat Exchanger Pipe, Heat Exchanger Fin, Elliptical Heat Exchanger Pipe, and Hot Water Storage Type Heat Exchanger Having Elliptical Heat Exchanger Pipe

  0 cites
• US120498422024

  Coolant Control Module

  Hanon Systems EFP Korea Inc.

  0 cites
• US120513142024

  Gas and Earthquake Detector, Gas and Earthquake Remote Monitoring System Using the Same and Method Thereof

  NANOKEM CO., Ltd.

  0 cites
• US116298822023

  Heat Exchanger

  0 cites