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WELTECH CO LTD

Overview
  • Total Patents
    65
About

WELTECH CO LTD has a total of 65 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 machine tools, mechanical elements and chemical engineering are WUJIANG YATAI VACUUM EQUIPMENT TECHNOLOGY CO LTD, FORCE INSTITUTTET and WEIHAI SHIDAO HEAVY INDUSTRY CO LTD.

Patent filings in countries

World map showing WELTECH CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 65

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Lee Seong Sik 51
#2 Lee Sung Sik 13
#3 Yoo Sung Geun 5
#4 Cho Jong Soo 2
#5 Jung Sung Hoon 1
#6 Park Jong Won 1
#7 Noh Myeong Jae 1
#8 Lee Kyu Wan 1
#9 Hyun Dong Hoon 1

Latest patents

Publication Filing date Title
KR20140113182A Shot blast apparatus for rehabilitating superannuated pipes
KR20140113177A Removed coating layer collection apparatus and superannuated pipes rehabilitation method using the same
KR20140113181A Shot blast apparatus for rehabilitating superannuated pipes
KR101224066B1 Structure and method for connecting pipes, apparatus and method for processing pipe, pipe processed by the same
KR20130120719A Coating layer removal equipment for rehabilitating superannuated pipes
KR101272180B1 Method for rehabilitating superannuated pipes
KR101261362B1 Shot blasting equipment for rehabilitating superannuated pipes
KR20130104558A Root gap maintaining apparatus
KR101034660B1 Weaving control method used when it processes weld for connecting pipes
KR100999942B1 Internal line up clamp device of steel pipes and pipe line connecting method in construction site
KR101001577B1 Paints comprising natural composite shell ceramics, process for preparing the same, steel pipe coated the same and steel pipe pile coated the same
KR20110094613A Welding house being used to construct pipe line
KR20110094612A Device for shaping roundness of inside-joint portions of steel pipes
KR20110094611A Pipe line connecting method in construction site, using device shaping roundness of inside-joint portions and device welding outside-joint portion of steel pipes
KR100999953B1 Pipe line connecting method using automatic plumbing and welding system
KR20110039984A Device for automatically welding inside-joint portion of steel pipes using intelligent robot and method for automatically welding thereof
KR20110039987A Pipe line connecting method in construction site using intelligent robot
KR20110039983A Device for automatically welding outside-joint portion of steel pipes using intelligent robot and method for automatically welding thereof
KR20110039990A Pipe shaping roundness and jointing device being capable of constructing slope pipeline and pipeline connecting method in construction site thereof
KR20100114167A Interchangeable lenses for quasi-expert camera