Gebrueder Buehler AG

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5301811 Apparatus for the separation of grain material and the sorting out of heavy inclusions from grain materialExpiredSep 24, 92Apr 12, 94[B07C]
5018648 Cylinder dischargeExpiredMay 29, 90May 28, 91[G01F]
4979887 Pellet millExpiredDec 07, 88Dec 25, 90[B28B]
4905917 Roll mill and method for feeding particulate materialExpiredDec 14, 87Mar 06, 90[B02C]
4859482 Method for producing a product from oil seedExpiredSep 21, 88Aug 22, 89[A23L]
4817517 Method and apparatus for making food pelletsExpiredApr 20, 88Apr 04, 89[A23K]
4770621 Pellet millExpiredJan 22, 87Sep 13, 88[B29C]
4746070 Roll refiner and method for operating sameExpiredJul 22, 86May 24, 88[B02C]
4743190 Injection unit for injection molding or die-castingExpiredOct 17, 86May 10, 88[B29C]
4730789 Agitator millExpiredNov 17, 83Mar 15, 88[B02C]
4711622 Pellet millExpiredJun 12, 85Dec 08, 87[B28B]
4708620 Machine for molding articles by injection molding or die castingExpiredApr 25, 86Nov 24, 87[B29C]
4635861 Roller millExpiredFeb 07, 85Jan 13, 87[B02C]
4600374 Machine for molding articles by injection molding or die castingExpiredApr 18, 85Jul 15, 86[B29F]
4573568 Chain for a flight conveyorExpiredJun 22, 83Mar 04, 86[B65G]
4473326 Method of controlling delivery conditions in a pneumatic conveyor line, and mill pneumatics for implementing this methodExpiredNov 05, 81Sep 25, 84[B65G]
4466542 Separating contrivance for cerealsExpiredFeb 05, 82Aug 21, 84[B03B, B07B]
4442980 Procedure and mechanism for the automatic control of a grinding mill roller carriage equipped with a regulated product feedExpiredNov 09, 81Apr 17, 84[B02C]
4433986 Pneumatic duct extractionExpiredJan 15, 82Feb 28, 84[B01D]
4390090 Method and apparatus for dust free grain loadingExpiredNov 18, 80Jun 28, 83[B65G]

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