Pure Water, Inc.

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Patent Activity in the Last 10 Years

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Top Patents (by citation)

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D452392 Water purification component housingAug 13, 99Dec 25, 01[0604]
D425174 Water distillation unitAug 23, 99May 16, 00[2301]
D412550 Water distillation unitMay 08, 98Aug 03, 99[2301]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7413634 Distillation systemExpiredSep 17, 02Aug 19, 08[B01D]
2004/0129,723 Water dispenserAbandonedDec 18, 03Jul 08, 04[B65D]
6183636 Filter assembly mounted in sink counter topExpiredOct 14, 99Feb 06, 01[B01D]
6135151 Valve cartridgeExpiredOct 14, 99Oct 24, 00[F16K, E03C]
6099693 Movable water distillerExpiredMar 06, 98Aug 08, 00[C02F, B01D]
5983938 Combined faucet and filter assemblyExpiredJan 02, 97Nov 16, 99[F16K]
5021128 Water distillation system and method with controlsExpiredFeb 25, 88Jun 04, 91[B01D]
D316739 Water distilling unitExpiredMar 19, 90May 07, 91[]
D314225 Water distillation unitExpiredFeb 25, 88Jan 29, 91[]
4975154 Water purification method and apparatus with conductivity sensing controlsExpiredNov 16, 87Dec 04, 90[C02F, B01D]
4943353 Control for modular water distillerExpiredMar 10, 88Jul 24, 90[F16K, B01D]
D306338 Water distillation unitExpiredMar 10, 87Feb 27, 90[]
4888097 Water purification method and apparatusExpiredNov 16, 87Dec 19, 89[B01D]
4805692 Condenser for water purification apparatusExpiredMar 10, 87Feb 21, 89[F28B, B01D]

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