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DONG YANG VALVE CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    241,264
About

DONG YANG VALVE CO LTD has a total of 12 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 mechanical elements, civil engineering and surface technology and coating are JIANGSU MINGJIANG VALVE CO LTD, HYUN DAE VALVE CO LTD and SOLVE CO LTD.

Patent filings in countries

World map showing DONG YANG VALVE CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 12

Patent filings per year

Chart showing DONG YANG VALVE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gu Byung Jeun 7
#2 Gu Chung Ho 3
#3 Koo Chung Ho 2
#4 Kim Kwon Il 2
#5 Shin Dae Ha 2
#6 Kim Jong Hoon 1
#7 Song Chang Joo 1
#8 Lee Jun Ho 1
#9 Park Yong Gil 1
#10 Seo Dong Jo 1

Latest patents

Publication Filing date Title
KR101631205B1 Soft seal sluice valve
KR101367709B1 Pressure reducing valve for controlling steady flow
KR101267829B1 A valve seat manufacturing method
KR101243677B1 Method of treating a valve surface with enhanced durability
KR101116119B1 Check value for anti-water hammering
KR100857552B1 A moving disk type of a butterfly valve
KR100871884B1 A check valve type of butterfly valve having slanting disc with a assistant disc
KR100734242B1 An air vent for valve
KR100667628B1 An air vent for valve
KR100591915B1 A controllable valve operator of sluice-valve
KR100591921B1 A valve-disk control device for 2-step operation of sluice-valve
KR20050074051A Fabrication method of biotic valve