WEATHERFORD U.K. LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 4256
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL120
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0073,324 Apparatus and Methods for Use in Wellbore PackingSep 12, 17Mar 15, 18[E21B]
2018/0030,820 WELLBORE INJECTION SYSTEMFeb 11, 16Feb 01, 18[E21B]
2017/0211,361 IMPROVEMENTS IN AND RELATING TO SCREENSJan 21, 15Jul 27, 17[E21B]
2016/0186,510 Tubular Stabbing GuideAug 11, 14Jun 30, 16[E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9745818 Downhole isolation methods and apparatus thereforDec 22, 14Aug 29, 17[E21B]
9587459 Downhole isolation methods and apparatus thereforDec 23, 11Mar 07, 17[E21B]
9512691 Elongated sealing member for downhole toolDec 19, 13Dec 06, 16[E21B]
8967265 Flow control apparatusJul 21, 11Mar 03, 15[E21B]
8960315 Swellable downhole apparatus and support assemblyJun 21, 13Feb 24, 15[E21B]
8794339 Downhole apparatus with a swellable support structureOct 03, 13Aug 05, 14[E21B]
8752638 Downhole apparatus with a swellable centraliserMay 21, 09Jun 17, 14[E21B]
8732934 ConnectorMar 22, 11May 27, 14[F16L, B23P]
8636074 Elongated sealing member for downhole toolFeb 26, 09Jan 28, 14[E21B]
8627894 Ring member for a swellable downhole packerDec 12, 11Jan 14, 14[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4371069 Safety interlockExpiredOct 02, 80Feb 01, 83[B25B, F16P]

Top Inventors for This Owner

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