DRAISWERKE GMBH

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5566896 Agitator millExpiredSep 07, 95Oct 22, 96[B02C]
5018673 Continuously working mixerExpiredNov 20, 89May 28, 91[B02C]
4862826 Process for gluing wood chips and the like with liquid glue and apparatus for performing the processExpiredOct 02, 85Sep 05, 89[B05B]
4785967 Liner for a mixer containerExpiredFeb 04, 86Nov 22, 88[B65D]
4572845 Process for gluing wood chips and the like with liquid glue and apparatus for performing the processExpiredJun 15, 84Feb 25, 86[B05D]
4527902 Methods and mixers for the continuous addition of glue to mixtures consisting of wood chips, wood fibres or the likeExpiredMar 01, 84Jul 09, 85[B01F]
4514833 Dispersing machine with container holding deviceExpiredSep 17, 82Apr 30, 85[B01F]
4496106 Agitator-grinderExpiredFeb 05, 82Jan 29, 85[B02C]
4413790 Mixer for bulk materials, especially for fibrous suspensionsExpiredOct 01, 81Nov 08, 83[B02C]
4394980 Device for the simultaneous and continuous feeding of pulverulent solids and of liquids into treatment machinesExpiredMay 06, 81Jul 26, 83[B02C]
4390285 Method and apparatus for mixing solids with liquids, in particular for gluing wood chipsExpiredAug 12, 81Jun 28, 83[B01F]
4382557 Method and apparatus for de-aerating viscous mixing stockExpiredMay 12, 80May 10, 83[B02C]
4334784 Method for processing thermoplastics or thermosetting plasticsExpiredAug 03, 79Jun 15, 82[B29B]
4316671 Apparatus for continuous mixing of solids and liquidsExpiredMay 28, 80Feb 23, 82[B01F]
4190371 Apparatus for discontinuous mixing of at least two materialsExpiredDec 19, 78Feb 26, 80[B01F]
4188130 Device for continuously mixing wood chips with binderExpiredSep 20, 78Feb 12, 80[B01F]
4183676 Method of and apparatus for gluing wood chipsExpiredDec 01, 77Jan 15, 80[B01F]

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