U. S. STEEL TUBULAR PRODUCTS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL664
 
  
 
E21B EARTH OR ROCK DRILLING 492
 
  
 
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 MATERIAL219
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
C22C ALLOYS 171

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8882157 Connecting oil country tubular goodsSep 23, 11Nov 11, 14[F16L]
8267436 Arrow-shaped thread form for tubular connectionsJun 30, 10Sep 18, 12[F16L]
8136846 Cylindrical tapered thread form for tubular connectionsNov 17, 08Mar 20, 12[F16L]
7690697 Thread form for tubular connectionsMay 09, 07Apr 06, 10[F16L]
7621164 Push bench and method of manufacturing small diameter tubingOct 12, 07Nov 24, 09[B21C]
7621323 Solid expandable tubular members formed from very low carbon steel and methodJul 23, 08Nov 24, 09[E21B, C22C]
7596848 Method for producing bimetallic line pipeMar 04, 05Oct 06, 09[B23P]
7588269 Z-shaped thread form for tubular connectionsSep 26, 06Sep 15, 09[F16L]
7404438 Solid expandable tubular members formed from very low carbon steel and methodDec 06, 06Jul 29, 08[E21B]
7290424 Push bench method for manufacturing small diameter tubingJan 19, 05Nov 06, 07[B21C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0061,288 CONNECTING OIL COUNTRY TUBULAR GOODSAbandonedNov 10, 14Mar 05, 15[F16L]
8387434 Push bench and method of manufacturing small diameter tubingExpiredNov 20, 09Mar 05, 13[B21C]
8348542 Connection system for tubular membersExpiredApr 18, 11Jan 08, 13[F16D, E04B]

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