ABB OFFSHORE SYSTEMS, 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 393
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6796261 Subsea deployable drum for laying linesFeb 28, 03Sep 28, 04[B63B]
6793019 Tapered ramp positive lock latch mechanismJul 10, 02Sep 21, 04[E21B]
6742594 Flowline jumper for subsea wellJan 10, 03Jun 01, 04[F16L, E21B]
6672391 Subsea well production facilityApr 07, 03Jan 06, 04[E21B]
6394131 Trapped fluid volume compensator for hydraulic couplersNov 16, 00May 28, 02[F16L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4887643 Pilot actuated spool valveExpiredMar 01, 82Dec 19, 89[F15B]
4699355 Fail-safe fluid piloted valve positioner with hydromechanical position lockExpiredNov 01, 84Oct 13, 87[F16K, F15B, F16J]
4565349 Fail safe hydraulic piloted pressure reducing and regulating valveExpiredMar 20, 84Jan 21, 86[G05D]
4554940 Pressure reducing and regulating valveExpiredSep 09, 83Nov 26, 85[F16K, G05D]
4531585 Safety shear apparatus and method for production wellsExpiredSep 12, 83Jul 30, 85[E21B]
4519636 Seal for an underwater connectorExpiredOct 20, 82May 28, 85[F16L]
4475568 Pressure reducing and regulating valveExpiredMar 22, 83Oct 09, 84[G05D]
4444216 Pressure reducing and regulating valveExpiredJan 15, 82Apr 24, 84[F16K, G05D]
4444218 Underwater fluid connectorExpiredApr 26, 82Apr 24, 84[E21B]
4440232 Well pressure compensation for blowout preventersExpiredJul 26, 82Apr 03, 84[E21B]
4404989 Underwater connector for fluid linesExpiredAug 03, 81Sep 20, 83[F16L]
4328826 Underwater fluid connectorExpiredOct 30, 80May 11, 82[E21B]

Top Inventors for This Owner

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