TENARIS COILED TUBES, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 837
 
  
 
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 MATERIAL318
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 291
 
  
 
C22C ALLOYS 270
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
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
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0051,353 HIGH PERFORMANCE MATERIAL FOR COILED TUBING APPLICATIONS AND THE METHOD OF PRODUCING THE SAMEOct 19, 17Feb 22, 18[C21D]
2016/0281,188 HEAT TREATED COILED TUBINGMar 21, 16Sep 29, 16[C21D, C22C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9803256 High performance material for coiled tubing applications and the method of producing the sameFeb 26, 14Oct 31, 17[B21C, C21D]
9745640 Quenching tank system and method of useMar 17, 15Aug 29, 17[C21D, C22C]
9200730 Fatigue resistant coiled tubingMar 14, 13Dec 01, 15[F16L, B23K, B21C, E21B]
9163296 Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatmentSep 09, 11Oct 20, 15[F16L, C21D, E21B]
7934304 Method of manufacturing lined tubingOct 02, 07May 03, 11[F16L, B23P, B21C, B21D]
6161751 Method of joining metal strip ends together using a consumable insertFeb 18, 99Dec 19, 00[B23K]
5328158 Apparatus for continuous heat treating advancing continuously formed pipe in a restricted spaceMar 03, 92Jul 12, 94[C21D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5515707 Method of increasing the fatigue life and/or reducing stress concentration cracking of coiled metal tubingExpiredJul 15, 94May 14, 96[B24C, B21J]

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