SERCEL-GRC CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 591
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 377
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 254
 
  
 
G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES 120
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9759837 Ground fault tolerant data communication system for a downhole instrumentNov 11, 14Sep 12, 17[E21B, G01V, H02H]
9506340 Downhole quartz gauge with minimal electronicsMar 13, 14Nov 29, 16[G01H, G01L, E21B, G01V]
8899105 Slim capacitance sensor for downhole applicationsAug 29, 12Dec 02, 14[G01L, E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0191,981 Sliding Joint for Use with a Downhole ToolAbandonedJul 18, 13Jul 09, 15[E21B]

Top Inventors for This Owner

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