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DONG WON STEEL CO LTD

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    193,260
  • Filing trend
    ⇩ 100.0%
About

DONG WON STEEL CO LTD has a total of 26 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2003. It filed its patents most often in Republic of Korea, China and EPO (European Patent Office). Its main competitors in its focus markets machines, mechanical elements and civil engineering are HER CHA SOON, 3X ENG and SCOTT KENNETH LATIMER.

Patent filings in countries

World map showing DONG WON STEEL CO LTDs patent filings in countries

Patent filings per year

Chart showing DONG WON STEEL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Jang Sub 21
#2 Lee Jang Seop 3
#3 Lee Jang-Sub 2
#4 Kang Hae Yeong 1

Latest patents

Publication Filing date Title
KR102219004B1 Connection device for corrugated steel pipe
KR102014812B1 Buoyant body for marine Structure
KR101788781B1 Manufacturing apparatus of resin tube for buoyancy and manufacturing method for the same
KR101599025B1 Connecter for corrugated steel pipes
KR20130032972A Connection structure of waveform steel pipe
KR101244207B1 Spiral pipe manufacturing method
KR20130014832A A repairing method of superannuated pipes
KR20120018668A Connector for pipe
KR20120006225A Manhole having dual structure
KR20100062448A Manufacturing method for a pipe
KR100870212B1 Manufacturing method for composite resin a pipe of the inner part
KR20100001218A Joint forming method of corrugated steel pipe
KR20090128220A Joint forming method of corrugated steel pipe
KR20090090878A Glass fiber reinforced plastic pipe
KR20090065119A Lining method of a tube
KR100716126B1 Corrugated steel pipe haved dual type
KR100568879B1 Pipe coupling device
KR20060082483A Corrugated steel pipe a coupling device
KR20060062084A Corrugated steel pipe that synthetic resins cloted
KR100484228B1 Method and apparatus for polyethylene sheet coating of steel surface