C & H INC has a total of 13 patent applications. Its first patent ever was published in 2007. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets environmental technology, chemical engineering and measurement are GUENTHER ZIPPEL MASCHF, TRENDS HOME ELECTRICAL PTE LTD and JINSHUI HUAQING (TIANJIN) MEMBRANE TECH CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 13 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Chemical engineering | |
#3 | Measurement | |
#4 | Thermal processes | |
#5 | Medical technology | |
#6 | Machines | |
#7 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Water treatment | |
#2 | Air-conditioning | |
#3 | Cleaning | |
#4 | Climate change mitigation in wastewater treatment | |
#5 | Measuring nuclear radiation | |
#6 | Mixing | |
#7 | Geophysics | |
#8 | Spraying devices | |
#9 | Installations for obtaining water | |
#10 | Physical therapy devices |
# | Name | Total Patents |
---|---|---|
#1 | Won Young Cheon | 8 |
#2 | Won Kyung Sik | 5 |
#3 | Won Yong Cheon | 4 |
#4 | Park Seong Min | 2 |
#5 | Kim Hyung Soo | 2 |
#6 | Won Kyoung Sik | 2 |
#7 | Ayukawa Kazuhiro | 2 |
#8 | Katsube Masao | 2 |
#9 | Ahn Cheong Woon | 2 |
#10 | Sugahara Shogo | 1 |
Publication | Filing date | Title |
---|---|---|
KR101443794B1 | Measuring system for radon danger of soil and measuring method thereof | |
KR20140106350A | Radon elimination system | |
KR20130056768A | Water quality purification system of small water area | |
KR20120100532A | Radon eliminator | |
KR20110059936A | Cleaning discharge device of underground water tube well and the method using power bubble cleaning system | |
KR20110059935A | Cleaning apparatus of underground water well using power bubble cleaning system | |
KR20110053069A | Water cleaning apparatus | |
KR20100097426A | Underground water purification device | |
KR20100007212A | Purification device | |
KR20090123632A | Strainer for well having a filter | |
KR20090082011A | Fix device for notice thing | |
KR100810116B1 | Water level sensor and underground water measuring apparatus that use this |