GIW INDUSTRIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS767
 
  
 
B04C APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES 58
 
  
 
B01D SEPARATION 1133
 
  
 
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
7896165 Cyclone having a vibration mechanismDec 14, 07Mar 01, 11[B04C]
7762402 Cyclone with in-situ replaceable liner system and method for accomplishing sameJun 10, 08Jul 27, 10[B04C]
7748951 Bearing housing seal system for centrifugal pumpsAug 16, 06Jul 06, 10[F04D]
7465153 Diverter for reducing wear in a slurry pumpAug 06, 02Dec 16, 08[F04D]
7404491 Cyclone with in-situ replaceable liner system and method for accomplishing sameFeb 09, 07Jul 29, 08[B04C]
7357824 Cyclone with in-situ replaceable liner mechanisms and methods for accomplishing sameMar 24, 05Apr 15, 08[B01D]
7347332 Cyclone having a vibration mechanismDec 02, 05Mar 25, 08[B04C]
7189054 Self-compensating clearance seal for centrifugal pumpsNov 09, 04Mar 13, 07[F16J]
7185765 Cyclone with in-situ replaceable liner system and method for accomplishing sameNov 19, 03Mar 06, 07[B04C]
6739829 Self-compensating clearance seal for centrifugal pumpsJul 08, 02May 25, 04[F04D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0061,841 FROTH HANDLING PUMPAbandonedAug 18, 09Mar 11, 10[F04D]
2010/0061,849 FROTH HANDLING PUMPAbandonedSep 11, 08Mar 11, 10[F04D]
2008/0041,664 Dry sump lubrication system for centrifugal pumpsAbandonedAug 16, 06Feb 21, 08[F01M]
2004/0136,825 Multiple diverter for reducing wear in a slurry pumpAbandonedNov 17, 03Jul 15, 04[F03B]
6450023 Method and apparatus for air testing pumpsExpiredAug 07, 00Sep 17, 02[G01M]
6428268 Pump with auxiliary impeller vane inlet deviceExpiredAug 18, 00Aug 06, 02[F01D]
6033187 Method for controlling slurry pump performance to increase system operational stabilityExpiredOct 17, 97Mar 07, 00[F04B, F04D]
4923369 Slurry pump having increased efficiency and wear characteristicsExpiredJun 13, 89May 08, 90[F04D]
4872809 Slurry pump having increased efficiency and wear characteristicsExpiredMar 06, 87Oct 10, 89[F04D]
4746360 Iron alloys, process and apparatus for introducing highly reactive metals into molten metal and process and product for removing impurities from molten metalExpiredJul 18, 85May 24, 88[C21C]
4638847 Method of forming abrasive resistant white cast ironExpiredOct 22, 84Jan 27, 87[B22D]
4527948 Pump adjustment assemblyExpiredNov 03, 82Jul 09, 85[F04D]

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