DIAMOND OFFSHORE DRILLING, 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
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 175
 
  
 
B63H MARINE PROPULSION OR STEERING 139
 
  
 
C23F NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 135
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 155
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0101,167 POWER SYSTEM FOR MARINE VESSELSOct 13, 16Apr 13, 17[G01L, B63H, G05D, B60L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9714547 Marine drilling riser connector with removable shear elementsDec 28, 09Jul 25, 17[F16L, E21B]
8843328 Hydraulic control system monitoring apparatus and methodDec 07, 12Sep 23, 14[E21B]
8490705 Hydraulic control system monitoring apparatus and methodOct 27, 10Jul 23, 13[E21B]
8408605 Hammer union lock and related methodsAug 15, 11Apr 02, 13[F16L]
8083440 Riser tensioner restraint deviceAug 07, 09Dec 27, 11[E21B]
7967959 Cathodic protection method and apparatusApr 24, 09Jun 28, 11[C23F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0155,073 RETRIEVABLE HYDRAULIC SUBSEA BOP CONTROL PODAbandonedSep 04, 09Jun 24, 10[E21B]
2010/0084,588 Deepwater Hydraulic Control SystemAbandonedSep 04, 09Apr 08, 10[F16K]

Top Inventors for This Owner

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