ROWAN COMPANIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E21B EARTH OR ROCK DRILLING 492
 
 
 
E02B HYDRAULIC ENGINEERING 315
 
 
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 122

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9803443 Riser fluid handling systemJul 10, 15Oct 31, 17[E21B]
9109420 Riser fluid handling systemJan 30, 13Aug 18, 15[E21B]
5419657 Method and apparatus for transferring a structure from a jack-up rig to a fixed platformNov 18, 93May 30, 95[E02B]
5388930 Method and apparatus for transporting and using a drilling apparatus or a crane apparatus from a single movable vesselDec 30, 93Feb 14, 95[E02B]
5290128 Method and apparatus for transferring a drilling apparatus from a movable vessel to a fixed structureMar 16, 92Mar 01, 94[E02D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0178,960 Apparatus and method for controlling self-contained power generation and power utilization systemAbandonedMar 21, 02Sep 25, 03[H02P]
4916999 Offshore launching systemExpiredOct 27, 88Apr 17, 90[F41F]

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