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OH SUNG DEV CO LTD

Overview
  • Total Patents
    15
About

OH SUNG DEV CO LTD has a total of 15 patent applications. Its first patent ever was published in 2004. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets machines, chemical engineering and environmental technology are DAE GIL INDUSTRY CO LTD, MOAK and FRANK PARDEE.

Patent filings in countries

World map showing OH SUNG DEV CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 15

Patent filings per year

Chart showing OH SUNG DEV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kim Won Keuk 15
#2 Kang In Sung 1
#3 Kim Kyoung Il 1

Latest patents

Publication Filing date Title
KR101349928B1 Vehicle dismantling workbench
KR100894686B1 Aggregate crushign, sand production, net clogged prevention and an extraneous matter sorting equipment wihch uses the double drum bell
KR100767817B1 The fracturing, particle size improvement, mortar removal, selection, the drum bell for the sand production of the construction
KR100793169B1 A cylinder for improvement and sand production of construction wastes shaped screw drum bell
KR100793168B1 A drum bell for hit panel of mesh clogged devices for crash, volume improvement, motal removal, sorting sand production of construction wastes
KR100793166B1 An alien substance and a differential calculus removal device of a construction waste
KR100793167B1 A drum bell for prevention of mesh clogged devices for crash, volume improvement, motal removal, sorting sand production of construction wastes
KR100607466B1 The apparatus for sorting a waste for the particle size improvement of the construction waste
KR100557250B1 Foreign material quality sorting system of construction waste
KR100524252B1 Foreign matter remove device of construction waste
KR100524251B1 Earth and sand of construct-ion waste include an extraneous substance remove device
KR100506029B1 Centrifuge of an extraneous matter sorting that right revolution and reverse revolution is possible
KR100506028B1 Centrifuge of an extraneous matter sorting
KR100430837B1 The foreign material quality sorting system which is included in form improvement and the inside of the aggregate particle
KR100464790B1 The foreign material quality sorting system which is included in form improvement and the inside of the aggregate particle