DAE HYUN IND CO LTD innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	Republic of Korea	21

#	Industry
#1	Machines
#2	Mechanical elements
#3	Surface technology and coating
#4	Civil engineering
#5	Thermal processes

#	Technology
#1	Pipes
#2	Shaping of plastics
#3	Fillers
#4	Processes for applying fluent materials
#5	Producing goods from plastic
#6	Sewers
#7	Foundations and excavations
#8	Air-conditioning
#9	Layered products
#10	Certain plastics

Publication	Filing date	Title
KR20130037312A	2011-10-06	Apparatus and method for manufacturing of water pipe
KR101053677B1	2010-12-28	A manhole
KR101129677B1	2010-11-12	Manufacturing method of polygon water pipe and that device
KR101090299B1	2010-11-12	Polygon water and sewage pipe
KR101129673B1	2010-11-12	Manufacturing method of manhole and that device
KR101090295B1	2010-11-12	Manhole
KR101129664B1	2010-11-12	Manufacturing method of water pipe and that device
KR20120051300A	2010-11-12	Polygon duct
KR101090294B1	2010-11-12	Water and sewage pipe
KR101090298B1	2010-11-12	Polygon manhole
KR20120051292A	2010-11-12	Duct
KR20120051298A	2010-11-12	Manufacturing method of duct and that device
KR20120051301A	2010-11-12	Manufacturing method of polygon duct and that device
KR101129676B1	2010-11-12	Manufacturing method of polygon manhole and that device
KR101029347B1	2010-10-04	Fixed type coupling pipe of water pipe
KR101029344B1	2010-10-04	Thick equal type water pipe and its manufacturing method
KR101053676B1	2010-04-01	A pipe connection structure of rotation molding method
KR100990187B1	2009-12-02	Pipe assembly style manhole
KR100937137B1	2009-04-28	Pipe support for buried underground
KR100678601B1	2005-10-21	Frp pipe forming device and forming process