AIR LIQUIDE CANADA INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A01M CATCHING, TRAPPING OR SCARING OF ANIMALS 220
 
  
 
B01D SEPARATION 2132
 
  
 
B03D FLOTATION; DIFFERENTIAL SEDIMENTATION 114
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
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 192
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 122
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9243182 Hydraulic fracturing with improved viscosity liquefied industrial gas based solutionAug 21, 12Jan 26, 16[C09K]
9051749 Hybrid method of erecting a cold box using prefabricated and field erected componentsDec 10, 08Jun 09, 15[F25J, E04B, E04G, E04H]
7794677 Reduction of copper content in the molybdenite concentrateDec 21, 09Sep 14, 10[C22B, C01B, C01G, B01F, C21B, B01D]
7152741 Use of ozone to increase the flotation efficiency of sulfide mineralsFeb 12, 03Dec 26, 06[B03D]
6793739 Method of cleaning an ozone generatorApr 12, 01Sep 21, 04[B08B]
6272790 Method and delivery system for the carbon dioxide-based, area specific attraction of insectsMay 21, 99Aug 14, 01[A01M]
6051805 Methods and apparatus for welding performance measurementJan 20, 98Apr 18, 00[B23K]
5943815 Method and delivery system for the carbon dioxide-based, area specific attraction of insectsMar 14, 97Aug 31, 99[A01M]
5855647 Process for recovering SF6 from a gasMay 15, 97Jan 05, 99[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0306,321 LIQUEFIED INDUSTRIAL GAS BASED SOLUTION IN HYDRAULIC FRACTURINGAbandonedMay 17, 12Nov 21, 13[C09K, E21B]
6773547 Process for the bleaching of low consistency pulp using high partial pressure ozoneExpiredMay 11, 01Aug 10, 04[D21C]
6547176 Wire unwinding controllerExpiredJun 04, 02Apr 15, 03[B65H]
6485769 Food disinfection using ozoneExpiredFeb 28, 01Nov 26, 02[A23B, A61L]
6096114 Process for recovering SF.sub.6 from a gasExpiredOct 30, 98Aug 01, 00[B01D]
5916020 Process and apparatus for separating and delinking sausages, wieners, or similar products by mechanical agitation and contact with refrigerant cryogensExpiredSep 26, 97Jun 29, 99[A22C]
5882437 Oxy-fuel cutting torch head seat insert and method of useExpiredSep 15, 97Mar 16, 99[B23K]

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