AFRICAN OXYGEN LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
2902 DEVICES AND EQUIPMENT FOR ACCIDENT PREVENTION AND FOR RESCUE, NOT ELSEWHERE SPECIFIED321
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 282
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 194
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
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
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 145

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D746440 Encapsulated valve for a medical integrated valveMar 04, 14Dec 29, 15[2902]
D737427 RegulatorNov 28, 12Aug 25, 15[2902]
D737428 RegulatorMay 30, 13Aug 25, 15[2902]
7024868 Transportation of liquefiable petroleum gasFeb 13, 02Apr 11, 06[F17C]
5561944 Method and apparatus for enhancing the growth and quality of edible plantsOct 12, 93Oct 08, 96[A01N]
5271233 Method and means for providing refrigerationJun 26, 92Dec 21, 93[F25D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0035,221 Multifunctional Valve UnitAbandonedJul 18, 05Feb 14, 08[F16K]
2004/0035,418 Chemical bed designAbandonedSep 04, 03Feb 26, 04[A61M]
5766477 Process for treating a liquid reactive mediumExpiredJan 30, 97Jun 16, 98[C02F]
5310413 Process and apparatus for extraction of metal values from metal bearing oresExpiredJun 08, 92May 10, 94[C22B]
5308380 MIC oxygenation: "extraction of metals values from metals bearing ores"ExpiredJun 08, 92May 03, 94[C22B]
5288302 Method and apparatus for extraction of metal values from metal bearing oresExpiredJun 08, 92Feb 22, 94[C22B]

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