LIQUID CARBONIC CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F17C VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES 126
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 144

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5195334 Heat exchange apparatus having means for bacterial removalMay 24, 91Mar 23, 93[F24F]
5156006 Apparatus for cooling a heat transfer fluidNov 20, 91Oct 20, 92[F17C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5547051 Protective luggage tote bag and methodExpiredFeb 15, 94Aug 20, 96[A45C]
5485731 Protection for motors in refrigerated environmentsExpiredJul 06, 94Jan 23, 96[F25D]
5460015 Freezer with imperforate conveyor beltExpiredApr 28, 94Oct 24, 95[F25D]
5291751 Cryo-mechanical vapor recovery apparatusExpiredApr 21, 92Mar 08, 94[F25J, F26B]
5085745 Method for treating carbon steel cylinderExpiredNov 07, 90Feb 04, 92[C25F]
4955206 Liquid cryogen freezer with improved vapor balance controlExpiredNov 30, 89Sep 11, 90[F17D]
4679687 Apparatus to effect stress-free transportation of a ribbon on a conveyor capable of negotiating turnsExpiredOct 02, 85Jul 14, 87[B65G]
4663900 Locking mast and stop ring assemblyExpiredDec 16, 85May 12, 87[B66C]
4498306 Refrigerated transportExpiredNov 09, 82Feb 12, 85[F25D]
4428535 Apparatus to cool particulate matter for grindingExpiredJul 06, 81Jan 31, 84[B02C]
4377402 CO.sub.2 Snow-making processExpiredJun 01, 81Mar 22, 83[F25J]
4373345 Ice-making and water-heatingExpiredApr 08, 81Feb 15, 83[F25B]
4356707 Cryogenic cabinet freezerExpiredJan 30, 81Nov 02, 82[F25D]
4350027 Cryogenic refrigeration apparatusExpiredOct 05, 81Sep 21, 82[F25D]
4344291 Cryogenic cabinet freezerExpiredApr 28, 80Aug 17, 82[F25D]
4333318 CO.sub.2 FreezerExpiredMay 04, 81Jun 08, 82[F25D]
4259360 Deoxygenation of liquidsExpiredApr 16, 79Mar 31, 81[G01N]
4211085 Systems for supplying tanks with cryogenExpiredJul 14, 78Jul 08, 80[F17C]
4187325 Steam cooking with direct contact CO.sub.2 coolingExpiredFeb 02, 79Feb 05, 80[A47J]

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