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DONG YANG SPECIAL CONCRETE CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    121,648
  • Filing trend
    ⇧ 100.0%
About

DONG YANG SPECIAL CONCRETE CO LTD has a total of 25 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets civil engineering, environmental technology and chemical engineering are CHUNG HO INDUSTRY CO LTD, HELMS WILLIAM R and BEIJING ZHONGTAIYUNDA TECH DEVELOPMENT CO LTD.

Patent filings in countries

World map showing DONG YANG SPECIAL CONCRETE CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 25

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Lee Myoung Kweon 13
#2 Lee Myeong Kwon 6
#3 Lee Chi Ung 5
#4 Seo Eun Ju 1
#5 Lee Myung Kwun 1

Latest patents

Publication Filing date Title
KR102059194B1 Watertight apparatus haved a between manhole and pipe
KR102050376B1 Method for building of concrete retaining-wall, the concrete retaining-wall having a eco-able outward
KR102041474B1 Connector for connection of manhole and hume pipe
KR102030351B1 Structure connection top and bottom of manhole
KR101894008B1 Watertight structure between concrete, and the method for building of watertight structure
KR101904311B1 Angle control type concrete manhole of flow velocity holding structure
KR101763664B1 Corrosion resistant manhole block and method for manufacturing the same
KR101677431B1 Large concrete retaining wall and method of construction
KR101616117B1 A manhole
KR101589594B1 A underground infiltration waterway structure
KR101609381B1 A BLock for a Precasting rainfall detention basin
KR101486969B1 A BLock for a Precasting rainfall detention basin
KR101443344B1 Manhole for preventing sinking
KR101464374B1 Manhole for preventing sinking
KR20140083492A Detachable manhole
KR20140010499A Downward manhole
KR101157172B1 Outer block for rainwater storage tank
KR20130053966A Construction mehtod for coating material with chemical resistance, durable
KR101157168B1 Bubble rremoving apparatus for watet
KR101074507B1 Heat exchange type rainwater storage tank