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Patents Grantslast 30 patents

Information Patent Grant
Water purification apparatus and method for using pressure filter a...
- Patent number 8,557,114
- Issue date Oct 15, 2013
- Daewoo E&C Co., Ltd.
- Eui-Sin Lee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water purification apparatus and method for using pressure filter a...
- Patent number 8,518,261
- Issue date Aug 27, 2013
- Daewoo E&C Co., Ltd.
- Eui-Sin Lee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for constructing precast coping for bridge
- Patent number 8,341,788
- Issue date Jan 1, 2013
- Daewoo E&C Co., Ltd.
- Tae-Hoon Kim
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Construction method for prestressed concrete girder bridges
- Patent number 7,373,683
- Issue date May 20, 2008
- BNG Consultant Co., Ltd.
- Sunghee Moon
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
WATER PURIFICATION APPARATUS AND METHOD FOR USING PRESSURE FILTER A...
- Publication number 20130015132
- Publication date Jan 17, 2013
- DAEWOO E & C CO., LTD.
- Eui-Sin LEE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PRECAST COPING LIFTING SYSTEM
- Publication number 20110303627
- Publication date Dec 15, 2011
- DAEWOO E & C CO., LTD.
- Tae-Hoon KIM
- B66 - HOISTING LIFTING HAULING
Information Patent Application
METHOD FOR CONSTRUCTING PRECAST COPING FOR BRIDGE
- Publication number 20110278752
- Publication date Nov 17, 2011
- DAEWOO E & C CO., LTD.
- Tae-Hoon KIM
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
WATER PURIFICATION APPARATUS AND METHOD FOR USING PRESSURE FILTER A...
- Publication number 20110000849
- Publication date Jan 6, 2011
- DAEWOO E & C CO., LTD.
- Eui-Sin LEE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Construction method for psc girder bridges
- Publication number 20070056123
- Publication date Mar 15, 2007
- BNG CONSULTANT, CO., LTD.
- Sunghee Moon
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Trademarklast 30 trademarks