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C & H INC

Overview
  • Total Patents
    13
About

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.

Patent filings in countries

World map showing C & H INCs patent filings in countries
# Country Total Patents
#1 Republic of Korea 13

Patent filings per year

Chart showing C & H INCs patent filings per year from 1900 to 2020

Top inventors

# 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

Latest patents

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