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WOOCHANG GRATING CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    192,484
  • Filing trend
    ⇩ 50.0%
About

WOOCHANG GRATING CO LTD has a total of 24 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2009. It filed its patents most often in Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, environmental technology and machine tools are GEOSTORAGE CORP, JIN DOO NAM and WUHAN SHENGYU DRAINAGE SYSTEM CO LTD.

Patent filings in countries

World map showing WOOCHANG GRATING CO LTDs patent filings in countries

Patent filings per year

Chart showing WOOCHANG GRATING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oh Woong Bae 23
#2 Oh Jin Seong 2
#3 Oh Woong-Bae 1

Latest patents

Publication Filing date Title
KR102063288B1 Road Noise Prevention Grating
KR101763098B1 Noise-protection and non-slip grating
KR20180081874A Grating fixing device
WO2015050363A1 High-strength grating
KR101432674B1 High rigidity reinforcing partition connecting bars forming the grating device and its manufacturing method
KR101382492B1 Directly connected to the fixed safety net consisting of a reinforcing partition safety grating
KR101399007B1 Reinforcing bar grating forming a highly rigid connection block device and method
KR101382496B1 Reinforcing bar grating forming a highly rigid connection block device and method
KR101432673B1 Grating high rigidity for load
KR101343083B1 High strength grating
KR101382491B1 High strength composite gratings
KR20140012449A Hydrogic closure with buoyancy
KR101178211B1 Drain
KR101229485B1 Drain
KR101165268B1 Drain cover
KR20120063234A A heavy load for cover drainage canal
KR20120058170A a heavy load for cover drainage canal
KR101051683B1 A heavy load for cover drainage canal
KR101051636B1 While having compatibility, load spill way handguard
KR20120020516A Cover drainage canal