Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Deepwater subsea lowering/lifting system

Deepwater subsea lowering/lifting system

US Patent 4919393 · Granted Apr 24, 1990

Estimated economic value: $6,560,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Pipeline recovery tool2002
Deep water lowering apparatus1999
Fixed offshore platform structures, using small diameter, tensioned, well casing1996
Deepwater subsea lowering/lifting system1990
Deepwater subsea lowering/lifting system1989
Removable closure device1988
Method for installing submarine pipelines using a marine railway system1983
Method of creating a cold water conduit to be used in ocean thermal energy conve1983