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COPY RIGHT(c) DONGBANG
Engineering & Construction Co., Ltd.
ALL RIGHTS RESERVED

Retained Patents

I'll attain the centennial enterprise by think ahead to and aggressive challenge spirit.

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Right Registration number Data Designation Applicants(Right lol)
Patent 10-0499265 2005-06-24 Holding Down Device (Fixed) Dongbang E&C
Patent 10-0995857 2010-11-16 Support member of a temporary footway for a bridge to improve the safety of the temporary footway Dongbang E&C
Patent 10-0945754 2010-02-26 Apparatus for generating electric power using tidal energy Dongbang E&C
Patent 10-0920774 2009-09-30 Multi function lift for conveying cargo Dongbang E&C
Patent 10-0599090 2006-07-04 Rolling shaft supporter of steel processing Dongbang E&C
Patent 10-0896197 2009-04-28 Finisher for Concrete surface Dongbang E&C
Patent 10-1060644 2011-08-24 Loading carrier system by manufacture Dongbang E&C
Patent 10-1080841 2011-11-01 Bridge deck manufacturing field and a Crane structure to reduce manufacturing period and Cost Dongbang E&C
Patent 10-1080844 2011-11-01 Parallel shaping Apparatus of a defense wall for a Bridge, Capable of Shaping a plurality of defense walls Dongbang E&C
Patent 10-1162590 2012-06-28 Steel reaction bar for Manufacturing a Bridge deck having an adjustable length Dongbang E&C
Patent 10-0947592 2010-03-08 Holding Down Device (Roller) Dongbang E&C
Patent 10-0966313 2010-06-18 Mold for bridge floor having steel wire guide structure Dongbang E&C
Patent 10-0731588 2007-06-18 Method for coupling cage of reinforcing bar having screw thread and coupler therefor Dongbang E&C
Patent 10-0655654 2006-12-04 Device for standing in line PC steel wire and prestressing method of PSC box girder bridge using the same Dongbang E&C
Patent 10-0615902 2006-08-18 A steel processing machinery Dongbang E&C
Patent 10-0995855 2010-11-16 Base supporter equipped with a Moving roller for manufacture of a Bridge deck, Capable of preventing the corner parts of a Bridge deck from being damaged Dongbang E&C
Patent 10-0995856 2010-11-16 Holding down Device base equipped with a Hydraulic cylinder Dongbang E&C
Patent 10-0804174 2008-02-11 Manufacturing method and manufacture apparatus for column type steel reinforcement cage Dongbang E&C
Patent 10-0750589 2007-08-13 Structure for steam curing of Precast member Dongbang E&C
Patent 10-1162600 2012-06-28 Rear leg for a Launching gear capable of Preventing the rear leg from Being separated from the top of a Box Girder Dongbang E&C
Patent 10-1162596 2012-06-28 Middle leg for a launching girder capable of easily changing the rotation of a launching girder Dongbang E&C
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