DP

Duck Sik Park

KC Kyungdong Navien Co.: 10 patents #3 of 110Top 3%
📍 Seoul, KR: #5,802 of 39,741 inventorsTop 15%
Overall (All Time): #479,100 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12331959 Heat exchanger unit Jun Kyu Park 2025-06-17
12241641 Air heating apparatus Jun Kyu Park, Dong Hwan Kim, Seong Sik Moon 2025-03-04
11976819 Flue pipe separation sensing apparatus and boiler including the same Jun Kyu Park 2024-05-07
11879666 Heat exchanger unit Jun Kyu Park 2024-01-23
11835261 Heat exchanger unit Jun Kyu Park 2023-12-05
11835262 Heat exchanger unit Jun Kyu Park 2023-12-05
11585572 Heat exchanger unit and condensing boiler using the same Jun Kyu Park 2023-02-21
11320173 Smoke tube boiler Jun Kyu Park, Jung Woo Kim 2022-05-03
11306943 Tube assembly for tubular heat exchanger, and tubular heat exchanger comprising same Jun Kyu Park, Sung Jun Ahn, Young Bae Kim 2022-04-19
10281149 Reverse flow prevention apparatus for common exhaust flue and combustion apparatus having same Jun Kyu Park 2019-05-07