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Inventor
CHOU YUNG-SEN
US
2 patents
⚠️ This page may combine multiple inventors who share the name “CHOU YUNG-SEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ARMCO INC
1 patent
US4697828A
Oct 6, 1987
Wellhead body lockdown and method for engaging same
ARMCO INC
45 citations
86
VETCO GRAY INC ABB
1 patent
US5950737A
Sep 14, 1999
Drilling riser centralizer
VETCO GRAY INC ABB
18 citations
76