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Inventor
MASSIE ALFRED
GB
2 patents
⚠️ This page may combine multiple inventors who share the name “MASSIE ALFRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VETCO GRAY INC
1 patent
US7073591B2
Jul 11, 2006
Casing hanger annulus monitoring system
VETCO GRAY INC
53 citations
90
VETCO GRAY INC ABB
1 patent
US6705401B2
Mar 16, 2004
Ported subsea wellhead
VETCO GRAY INC ABB
38 citations
86