MELITTA-WERKE BENTZ & SOHN

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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Expired/Abandoned/Withdrawn Patents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
5170694 Carafe with release member for an outlet lock of a coffee or tea makerExpiredMay 07, 90Dec 15, 92[A47J]
5098062 Magnetic valve incorporating a permanent magnet for effecting valve closureExpiredFeb 27, 90Mar 24, 92[F16K]
5080612 Electrical applianceExpiredJun 14, 90Jan 14, 92[H01R]
5070773 Coffee or tea makerExpiredMay 03, 90Dec 10, 91[A23F]
5071549 Jug and filter vessel for coffee or teaExpiredAug 24, 89Dec 10, 91[B01D]
5049713 Apparatus for preparing hot beverages in a microwave ovenExpiredMay 21, 90Sep 17, 91[H05B, A23F]
5038675 Coffee or tea makerExpiredDec 22, 89Aug 13, 91[]
5027425 Flow-through heater, particularly for a coffee or tea makerExpiredMar 20, 89Jun 25, 91[F24H]
4983412 Method and device for producing aqueous extracts from coffeeExpiredMay 09, 88Jan 08, 91[A47J, A23F]
4957632 Valve closing device for a filter vessel in a beverage makerExpiredSep 21, 88Sep 18, 90[B01D]
4932932 Method of and apparatus for cutting blanks from an elastic paperExpiredAug 26, 88Jun 12, 90[B26D]
4930687 Decanter with attached spout-handle and method of making sameExpiredNov 22, 88Jun 05, 90[A47G]
4898090 Device for the production of aroma extracts from coffee or teaExpiredNov 03, 88Feb 06, 90[A47J]
4865187 Block-shaped display cartonExpiredJun 14, 88Sep 12, 89[B65D]
4847459 Bowl-shaped plastic microwave dishExpiredApr 20, 87Jul 11, 89[H05B]
4825042 Continuous flow heater assembly for a beverage makerExpiredAug 06, 87Apr 25, 89[F24H, H05B, A47J]
4819553 Coffee or tea makerExpiredJun 06, 88Apr 11, 89[A47J]
4815366 Coffee or tea makerExpiredDec 21, 87Mar 28, 89[A47J]
4797523 Cover for an open container, whose content is to be heated in a microwave ovenExpiredAug 19, 86Jan 10, 89[H05B, B65D]
4784051 Coffee or tea makerExpiredDec 21, 87Nov 15, 88[A47J]

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