MILLIPORE INVESTMENT HOLDINGS LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 2132
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C12Q MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR MICRO-ORGANISMS 1124
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 144
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6205536 Combined Instruction and address caching system using independent busesAug 27, 93Mar 20, 01[G06F]
D390111 Inventory control collarJul 16, 96Feb 03, 98[0903]
D390138 Inventory control probeJul 16, 96Feb 03, 98[1004]
5512450 Test device for determining the presence of leukocyte cells, esterase or protease in a test sampleMar 30, 95Apr 30, 96[C12Q, C07C]
5275724 Connector apparatus and systemDec 10, 91Jan 04, 94[B01D]
5273659 Process of recovering a solid component from a solid composition by clarification and extractionJul 08, 91Dec 28, 93[B01D]
5218991 Regulator flow controlApr 23, 92Jun 15, 93[G05D]
5133044 Portable humidifierNov 15, 91Jul 21, 92[H05B, F24F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5949049 Inventory control probe and control module with docking stationExpiredJul 17, 96Sep 07, 99[G06K]
5713692 Inventory control collar locking ringExpiredJul 17, 96Feb 03, 98[F16B]
5697173 Inventory control collarExpiredJul 17, 96Dec 16, 97[F16L, G09F, H05K]
5403750 Biocompatible, low protein adsorption affinity matrixExpiredApr 08, 91Apr 04, 95[G01N]
5308580 Sample collection and analytical deviceExpiredMay 19, 92May 03, 94[G01N]
5286382 Hydrophobic polymeric membrane compositesExpiredMay 17, 93Feb 15, 94[B01D]
5279107 Fuel control system with fuel metering valve fault accommodationExpiredJun 30, 92Jan 18, 94[F02C]
5272091 Water purification method and apparatusExpiredJul 27, 92Dec 21, 93[G01N]
5258122 Cross-flow filter device with pressure-balancing featureExpiredApr 16, 92Nov 02, 93[B01D]
5253669 Controlling process gas flowExpiredApr 23, 92Oct 19, 93[G05D]
5167809 Chromatography systemExpiredSep 11, 91Dec 01, 92[B01D]
5146794 Filter punch and filter collection systemExpiredJul 17, 91Sep 15, 92[G01N]
5137633 Hydrophobic membrane having hydrophilic and charged surface and processExpiredJun 26, 91Aug 11, 92[B01D]
5138155 Pressure gauge with fiber optic sensorExpiredFeb 13, 91Aug 11, 92[G01D]
5128037 Spiral wound filtration membrane cartridgeExpiredDec 27, 90Jul 07, 92[B01D]
5114582 Filter element and spiral-wound membrane cartridge containing sameExpiredApr 12, 91May 19, 92[B01D]
5056373 Flow responsive transmitter and indicatorExpiredNov 01, 89Oct 15, 91[G01F]
5051729 Pressure responsive encoderExpiredFeb 22, 88Sep 24, 91[G08B]
4970001 Use of chitosan to improve membrane filter performanceExpiredMay 05, 89Nov 13, 90[B01D]
4956071 Electrodeionization apparatus and moduleExpiredJan 18, 89Sep 11, 90[B01D]

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