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Yu Young Lee
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Gyeongsangnam-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Device for cooling and heating urea solution for construction machi...
Patent number
10,337,391
Issue date
Jul 2, 2019
VOLVO CONSTRUCTION EQUIPMENT AB
Dong-Myoung Choi
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Ventilation apparatus of a drillship
Patent number
9,862,474
Issue date
Jan 9, 2018
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
Keum Dae Choo
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Polar vessel having a derrick
Patent number
9,376,199
Issue date
Jun 28, 2016
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
Keum Dae Choo
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Sealed derrick structure for polar vessels
Patent number
9,205,894
Issue date
Dec 8, 2015
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
Yu Young Lee
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Patents Applications
last 30 patents
Information
Patent Application
DEVICE FOR COOLING AND HEATING UREA SOLUTION FOR CONSTRUCTION MACHI...
Publication number
20180209325
Publication date
Jul 26, 2018
VOLVO CONSTRUCTION EQUIPMENT AB
Dong-Myoung CHOI
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
SEALED DERRICK STRUCTURE FOR POLAR VESSELS
Publication number
20130291780
Publication date
Nov 7, 2013
TRANSOCEAN SEDCO FOREX VENTURES LIMITED
Yu Young Lee
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
VENTILATION APPARATUS OF A DRILLSHIP
Publication number
20130273823
Publication date
Oct 17, 2013
Keum Dae Choo
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
POLAR VESSEL HAVING A DERRICK
Publication number
20130269584
Publication date
Oct 17, 2013
Keum Dae Choo
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT