BRITA WASSER-FILTER-SYSTEME GMBH

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 129

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6099728 Filter cartridge with a sieve in an outlet apertureAug 07, 97Aug 08, 00[B01D]
6012232 Through-flow cup which can be filled with granule materialJul 02, 98Jan 11, 00[F26B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6074550 Device for indicating the depletion of purifying agentExpiredJul 10, 98Jun 13, 00[B01D]
5980743 Filter means with fabric insertExpiredAug 05, 97Nov 09, 99[B01D]
D337691 Water filter with containerExpiredSep 24, 90Jul 27, 93[]
D336760 Combined water filter and containerExpiredSep 24, 90Jun 22, 93[]
5076912 Ion exchange device with chamber having indicator meansExpiredMay 29, 90Dec 31, 91[B01D]
4969996 Water purification device with an intake funnelExpiredFeb 28, 89Nov 13, 90[B01D]
4895648 Filter cover for a purification insert in a water treatment device with a hollow tubeExpiredFeb 28, 89Jan 23, 90[B01D]
4885089 Liquid distributor cap for a filter cartridgeExpiredAug 19, 87Dec 05, 89[B01D]
4623457 Water purifierExpiredApr 12, 85Nov 18, 86[B01D]

Top Inventors for This Owner

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