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DONG A FLEXIBLE METAL TUBES CO

Overview
  • Total Patents
    22
About

DONG A FLEXIBLE METAL TUBES CO has a total of 22 patent applications. Its first patent ever was published in 1994. It filed its patents most often in Republic of Korea, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, civil engineering and machines are PETROFAC LTD, ITP and DONG A FLEXIBLE METAL TUBES CO LTD.

Patent filings in countries

World map showing DONG A FLEXIBLE METAL TUBES COs patent filings in countries

Patent filings per year

Chart showing DONG A FLEXIBLE METAL TUBES COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Choi Jin Lim 19
#2 Choi Jin Rim 2
#3 Choe Jin-Lim 1

Latest patents

Publication Filing date Title
KR20090040602A Packing insertion device for piping
KR100822946B1 Reducer for sprinkler and fixing device
KR20080079473A Stainless steel pipe and flange fixing structure and fixing process
KR20080042486A Gas pipe connector
KR100742204B1 Welding apparatus of stainless steel pipe and welding method of the same
WO2005124217A1 Connector of flexible pipe
KR20060103698A Structure for connecting flexible pipe
KR20060103699A Sealing structure of connecting portion for flexible pipe
KR20060002216A Structure for connecting flexible pipe
KR20050120245A Structure for connecting flexible pipe
KR20050028453A Forming method of metal-corrugated pipe
KR20050026233A Apparatus for annealing stainless steel material and method for the same
KR20050026234A Continuous welding apparatus of stainless steel pipe and welding method of the same
US2002066834A1 Sprinkler mounting device and method
KR20030000508A Protection net welding structure of flexible tube for springkler and the welding method for the same
US6260810B1 Sprinkler mounting device
KR20010109006A Flexible Tube for Springkler
KR100200323B1 Forming method an flexible pipe