Sartorius GmbH

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5102545 Tubular filter elementExpiredMay 22, 90Apr 07, 92[B01D]
5058692 Balance with motor-driven wind guardExpiredJun 18, 90Oct 22, 91[G01G]
5056040 Electric balance with digital displayExpiredSep 27, 88Oct 08, 91[G06F]
4997051 Compact balanceExpiredSep 11, 89Mar 05, 91[G01G]
4991973 Electronic balance with scale on topExpiredMay 30, 89Feb 12, 91[B01F, G01G]
4990256 Method, device and filter module for the filtration of liquids in cross-flow operationExpiredMay 12, 89Feb 05, 91[B01D]
4979579 Electronic balanceExpiredDec 15, 89Dec 25, 90[G01G]
4969997 Fluid-impermeable areas on porous membrane filters and their applicationExpiredJan 31, 89Nov 13, 90[B01D]
4964478 Electronic balance with scale on topExpiredDec 11, 89Oct 23, 90[G01G]
4938301 Electronic balance with scale on topExpiredNov 08, 89Jul 03, 90[G01G]
4932487 Electronic balance with calibrating weight circuitExpiredAug 21, 89Jun 12, 90[G01L, G01G]
4930588 Electronic balanceExpiredAug 28, 89Jun 05, 90[G01G]
4911842 Wound filter moduleExpiredOct 12, 88Mar 27, 90[B01D]
4909937 Integral filters for separating fluid components and housing for themExpiredFeb 19, 88Mar 20, 90[B01D]
4907179 Electronic balance with quasi analog and digital displayExpiredFeb 12, 88Mar 06, 90[G01G]
4900441 Small filter and method of its manufactureExpiredFeb 06, 89Feb 13, 90[B01D]
4898253 Electronic balance for dosingExpiredMay 30, 89Feb 06, 90[G01G]
4889201 Drying balance with evaluation circuit for determining the end of the dryingExpiredJan 24, 89Dec 26, 89[G01N, G01G]
4890246 Electronic balance with calibrating systemExpiredNov 19, 87Dec 26, 89[G01G]
4884645 Precision balance with scale on topExpiredMar 15, 89Dec 05, 89[G01G]

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