BABCOCK & WILCOX CANADA LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 749
 
  
 
G21C NUCLEAR REACTORS 538
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 349
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 221
 
  
 
F22G SUPERHEATING OF STEAM 27
 
  
 
B23B TURNING; BORING 151
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8695688 Nubbed U-bend tube supportJul 18, 07Apr 15, 14[F28F]
8572847 Tube support system for nuclear steam generatorsJul 25, 08Nov 05, 13[F28F, B21D]
8301401 Low profile encircling ultrasonic probe for the inspection of in-situ piping in immersion modeAug 31, 10Oct 30, 12[G01B]
8215379 Feedwater debris trapApr 29, 09Jul 10, 12[F22G, F28F, F02B]
8056229 Method of manufacturing a tubular support structureMay 17, 07Nov 15, 11[B21D]
7653999 Co-extruded generating bank swaged tubingMar 31, 05Feb 02, 10[B21D]
7565727 Method of tube stub removalJun 13, 07Jul 28, 09[B23P]
7533632 Natural circulation industrial boiler for steam assisted gravity drainage (SAGD) processMay 01, 07May 19, 09[F22G, F22B]
7171834 External sleeve assisted tube bendingApr 22, 04Feb 06, 07[B21D]
7146716 External tube extraction device with a cylindrical collapsing wedgeJun 08, 04Dec 12, 06[B23P]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8578965 Device and method for supplying a sorbentExpiredAug 11, 11Nov 12, 13[F16L, F23J]
2010/0276,550 TUBE SUPPORT STRUCTUREAbandonedApr 29, 09Nov 04, 10[F16L, B23P]
7322090 Explosive tube removal deviceExpiredJan 19, 05Jan 29, 08[B23P]
7305756 Tube extracting deviceExpiredApr 22, 04Dec 11, 07[B23P]
7194800 Internal tube extracting device with a cylindrical collapsing wedgeExpiredJun 07, 04Mar 27, 07[B23P]
7168143 External tube deforming extraction deviceExpiredJun 30, 04Jan 30, 07[B23P]
2004/0000,182 Tool for locally forming a workpieceAbandonedJun 26, 02Jan 01, 04[B21D]
6581667 Debris barrierExpiredAug 13, 01Jun 24, 03[A47G]
6357129 Optical non-contacting cylindricity gaugeExpiredMar 21, 00Mar 19, 02[G01B]

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