Inventor
CHOO KEUM DAE
KR4 patents
Patents
4 patentsUS9376199B2Jun 28, 2016
Polar vessel having a derrick
CHOO KEUM DAE3 citations65
US9862474B2Jan 9, 2018
Ventilation apparatus of a drillship
CHOO KEUM DAE0 citations34
US9377369B2Jun 28, 2016
Temperature and pressure monitoring system of sealed derrick structure
CHOO KEUM DAE0 citations33
US9297545B2Mar 29, 2016
Damper structure for a sealed derrick
CHOO KEUM DAE0 citations33