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CHEONG HO ENVIRONMENT DEV CO L

Overview
  • Total Patents
    16
About

CHEONG HO ENVIRONMENT DEV CO L has a total of 16 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets environmental technology, civil engineering and chemical engineering are GP WATER SUZHOU CO LTD, HENAN ZHENGDA ENVIRONMENTAL TECH & CONSULTING CO LTD and YIXING INNOVATION ENV PROT CO LTD.

Patent filings in countries

World map showing CHEONG HO ENVIRONMENT DEV CO Ls patent filings in countries
# Country Total Patents
#1 Republic of Korea 16

Patent filings per year

Chart showing CHEONG HO ENVIRONMENT DEV CO Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Aim Hyung Heub 4
#2 Lim Hyeong Yeop 4
#3 Oh Jun Sung 3
#4 Lu Sung Seok 2
#5 Ma Ju Tae 2
#6 Im Hyung Heub 1
#7 Park Yang Gyun 1
#8 Lee Tae Lim 1
#9 Lim Hyoung Yop 1
#10 Lim Hyung Heub 1

Latest patents

Publication Filing date Title
KR100770645B1 Algae control apparatus which is interept the sola radiation
KR100622277B1 High efficiency filtering equipment for a long hair
KR100567422B1 A manufacturing method of a porous aggregate to purify a water
KR100545142B1 A spur dike to planting the plants
KR100580941B1 A spur dike to planting the plants
KR20040087861A A deposit's processing method and its system
KR100423364B1 Water purifying device using artificial floating islands
KR100419113B1 A bamboo soundprooting wall consists of fixed structures
KR20020011358A Aerobic treatment method of simple sewage disposal treatment plant
KR20020057775A Waste water treatment system by sewage sludge pellet
KR20020063077A A sink for water saving which is available for reusing in washing
KR20020063078A A sanitary draining device of sink maximizing utilization of room
KR20000058792A Aerobic treatment method of simple sewage disposal treatment plant
KR20000031988A Advanced oxidation apparatus in effluent tank of sewage and wastewater
KR100249466B1 Filtration member for sewage purification
KR100249465B1 Filtration tub of sewage purification tub