SCHLUMBERGER

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 294
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8357256 Process for the manufacture of a three-dimensional nonwoven, manufacturing line for implementing this process and resulting three-dimensional, nonwoven productApr 24, 07Jan 22, 13[B29C, D06J]
8302685 Mud pulse telemetry data modulation techniqueJan 30, 09Nov 06, 12[E21B]
8056408 Downhole measurement of formation characteristics while drillingOct 29, 08Nov 15, 11[E21B]
6748564 Scan stream sequencing for testing integrated circuitsOct 24, 00Jun 08, 04[G01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5914673 System for utility meter communications using a single RF frequencyExpiredMay 06, 96Jun 22, 99[G08C]
5815558 Dial inbound meter interface unit which uses two elements for coupling to and isolating from meterExpiredJul 08, 96Sep 29, 98[H04M]

Top Inventors for This Owner

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