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CHUNGANG IND CO LTD

Overview
  • Total Patents
    23
About

CHUNGANG IND CO LTD has a total of 23 patent applications. Its first patent ever was published in 1986. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets mechanical elements, chemical engineering and machines are CRC EVANS REHABILITATION SYST, GEVI GMBH and DUCKWON INDUSTRY DEV CO LTD.

Patent filings in countries

World map showing CHUNGANG IND CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 23

Patent filings per year

Chart showing CHUNGANG IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kweon Taeg Joong 16
#2 Han Yeong Geun 2
#3 Jung Won Sik 2
#4 Song Ho Myeon 2
#5 Han Yeong Hwan 2
#6 Lee Hyeon Dong 2
#7 Kim Jae-Hwan 1
#8 Han Young Han 1
#9 Kim Ju Hwan 1
#10 Kim Jeong Hyun 1

Latest patents

Publication Filing date Title
KR101478452B1 apparatus of renovation pipe
KR20130034065A Sewer-pipe repair method
KR20120077899A Scraper device with circular blade
KR20110084569A Apparatus of lining polyurea
KR20110083798A Apparatus of cleaning water-pipe
KR20110058923A Impeller blast device
KR20110021284A Surface treatment device for pipe
KR20110004956A Shot blasting apparatus
KR20100052108A Cleaning machine for inner surface of pipe
KR20100023108A Epoxy lining apparatus for an pipe
KR20100023105A Rotating impeler blaster
KR20080095960A Polyurea lining device
KR20080095359A Surface treatment device for pipe inside
KR20080095358A Surface treatment device for pipe
KR100758131B1 Polyurea lining device and method
KR20060036969A Rotating trowel lining method for water pipe rebirth
KR20060036968A Apparatus of compound mortar for a ceramic
KR20030083068A Water and sewage pipe rebirth using lining method of construction
KR20030079054A A rejuvenate method for superannuated pipe
KR20030073920A Ceramics composition of rebirth and new pipe inside lining for water and sewage pipe