OIL STATES ENERGY SERVICES, L.L.C.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 12022
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING1360
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL1258
 
  
 
B01D SEPARATION 4130
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0000,893 CONTROLLED APERTURE BALL DROPSep 16, 14Jan 01, 15[E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9879499 Atmosphere to pressure ball drop apparatusAug 19, 16Jan 30, 18[E21B]
9869151 Controlled aperture ball dropSep 16, 14Jan 16, 18[E21B]
9739111 Controlled aperture ball dropMay 15, 14Aug 22, 17[E21B]
9447652 Atmosphere to pressure ball drop apparatusJul 11, 14Sep 20, 16[E21B]
9441441 Wellsite connector apparatus and methodSep 21, 15Sep 13, 16[E21B]
9366103 Wellhead isolation tool and methodsSep 21, 15Jun 14, 16[E21B]
9291024 Ball drop wellhead control apparatusMar 17, 15Mar 22, 16[E21B]
9291025 Ball drop wellhead control apparatusMar 17, 15Mar 22, 16[E21B]
9260933 Modular ball dropJan 15, 13Feb 16, 16[F16K, E21B]
9228417 Horizontal frac ball injectorOct 21, 14Jan 05, 16[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0266,795 THREADED UNION FOR TUBULARS USED IN HIGH-PRESSURE FLUID APPLICATIONSAbandonedJul 13, 11Nov 03, 11[F16L]

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