WELLDYNAMICS, B.V.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 10195
 
  
 
E21B EARTH OR ROCK DRILLING 690
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES277
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 276
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 254
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 278
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 145
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G06G ANALOGUE COMPUTERS 152

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0122,984 FIBER OPTIC SENSING SYSTEMS AND METHODSJan 14, 15May 07, 15[E21B, G01V]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8961006 Fiber optic sensing systems and methodsFeb 20, 08Feb 24, 15[G01K, G01J, G01N, E21B]
8757891 Fiber optic splice housing and integral dry mate connector systemMar 13, 12Jun 24, 14[G01K, G02B]
7725301 System and method for estimating multi-phase fluid rates in a subterranean wellNov 04, 02May 25, 10[G06G]
7458273 Fiber optic differential pressure sensorNov 09, 06Dec 02, 08[G01L]
7400803 Method and apparatus for providing a hydrogen diffusion barrier for fiber optic cables used in hostile environmentsMar 25, 05Jul 15, 08[G02B]
7218820 Method and system for providing a hydrogen diffusion barrier for fiber optic cables used in hostile environmentsApr 14, 05May 15, 07[G02B]
7210856 Distributed temperature sensing in deep water subsea tree completionsMar 02, 04May 01, 07[G02B]
7159468 Fiber optic differential pressure sensorJun 15, 04Jan 09, 07[G01L]
7072588 Multiplexed distribution of optical powerAug 17, 01Jul 04, 06[H04B]
6957576 Subterranean well pressure and temperature measurementJul 11, 03Oct 25, 05[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8550721 Fiber optic splice housing and integral dry mate connector systemExpiredMar 13, 12Oct 08, 13[G02B]
8550722 Fiber optic splice housing and integral dry mate connector systemExpiredMar 13, 12Oct 08, 13[G02B]
8523454 Fiber optic splice housing and integral dry mate connector systemExpiredMar 13, 12Sep 03, 13[G02B]
8511907 Fiber optic splice housing and integral dry mate connector systemExpiredMar 13, 12Aug 20, 13[G02B]
2012/0148,204 FIBER OPTIC SPLICE HOUSING AND INTEGRAL DRY MATE CONNECTOR SYSTEMAbandonedFeb 22, 12Jun 14, 12[G02B]
2010/0086,257 FIBER OPTIC SPLICE HOUSING AND INTEGRAL DRY MATE CONNECTOR SYSTEMAbandonedDec 08, 09Apr 08, 10[G02B]
7641395 Fiber optic splice housing and integral dry mate connector systemExpiredJun 22, 04Jan 05, 10[G02B]
7637318 Pressure communication assembly external to casing with connectivity to pressure sourceExpiredMar 30, 06Dec 29, 09[E21B]
7360412 Single point and fiber optic temperature measurement for correction of a gas column weight in a wellExpiredFeb 16, 06Apr 22, 08[E21B]
7325597 Safety valve apparatus for downhole pressure transmission systemsExpiredJul 15, 05Feb 05, 08[E21B]
2006/0233,217 Fiber optic sensing systems and methodsAbandonedJun 15, 06Oct 19, 06[G01J]
2004/0252,748 Fiber optic sensing systems and methodsAbandonedJun 13, 03Dec 16, 04[G01K, G01J]
6223746 Metered dose inhaler pumpExpiredFeb 12, 98May 01, 01[A61M]
D336284 Support for protecting tubing-mounted cables at the tube couplingExpiredNov 14, 91Jun 08, 93[]

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