| Patents for B07B 9 - Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets (3,146) |
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| 01/13/1994 | DE4318459A1 Assembly for sepn. of magnetic and non-magnetic materials - used for sepn. and cleaning of heel cans in perforated tipping drum, and has with electromagnet and compressed air |
| 01/13/1994 | DE4222364A1 Sieve classifying device for natural prods. - and suitable for use as winnower in a combine harvester |
| 01/11/1994 | US5277370 Vertical impact mill with coupled material classification |
| 01/05/1994 | EP0456666B1 Installation for treating valuable materials from waste materials on building sites or from industrial waste materials |
| 01/04/1994 | US5275631 Centrifuging; aerodynamics |
| 12/23/1993 | WO1993025324A1 A method for manufacturing low bark content wood chips from whole-tree chips |
| 12/08/1993 | EP0573001A1 Waste recycle system |
| 12/07/1993 | CA1324987C Apparatus and method for separating recyclable materials |
| 11/30/1993 | US5266169 Apparatus for separating and recycling cleaning particles for cleaning furnace tubes |
| 11/25/1993 | DE4217480A1 Sepn. procedure for packaging wastes - including sieve classification, dynamic separation of paper and styrene foam, and electrostatic separation of foil |
| 11/25/1993 | DE4216427A1 Separation of root crops, esp. sugar beet, from soil - by separating whole tubers in first screen, larger fragments in second screen and small fragments in final band screen using screens with tines |
| 11/24/1993 | CN2147048Y Separator for rice mill |
| 11/24/1993 | CN1078667A Automatic cereal screening apparatus for removing particle impurities |
| 11/24/1993 | CN1022806C Sorting method of rice husk from spent grain fodder |
| 11/23/1993 | US5263589 Method of recovering tobacco from stemmery discard |
| 11/18/1993 | EP0569452A1 Method and apparatus for grading fibrous material |
| 11/18/1993 | EP0569420A1 A method and an equipment for classifying a gas-solids flow coming from a counterjet pulverizer. |
| 11/11/1993 | WO1993022074A1 Wind tunnel for cleaning and classifying solid particle form material |
| 11/11/1993 | CA2112231A1 Wind tunnel for cleaning and classifying solid particle form material |
| 11/02/1993 | CA1323860C Vertical-drop grain aspirator |
| 10/21/1993 | DE4213274A1 Separating rare earth materials from circuit board components - milling board into particles and subjecting to centrifuge with airflow recirculation |
| 10/19/1993 | US5253813 Method for recovering PVC and urethane foam from commingled trim waste using elutriators |
| 10/12/1993 | US5251827 Shredding, pulverizing, screening to separate free fibers, returning remainder for more comminution |
| 10/12/1993 | US5251763 Conveying apparatus and separation apparatus |
| 10/12/1993 | CA1322991C Sieve device for sieving out compost from rotten organic material |
| 09/28/1993 | US5248042 Resilient wire-wrapped, and adjustably tensioned screen drum with drum overload-preventing feedback control |
| 09/22/1993 | CN2142374Y Highly efficient suction-separation sieve |
| 09/08/1993 | EP0558572A1 Double separator for sorting particulate material. |
| 09/02/1993 | WO1993016804A1 Moving screen apparatus and method for separation of sugarcane pith from rind |
| 09/01/1993 | EP0557502A1 Process for separating fibres from composite materials |
| 08/25/1993 | EP0556935A2 Elutriator |
| 08/18/1993 | EP0555901A1 Air classification of flour |
| 08/17/1993 | US5236133 Method of container label removal |
| 08/17/1993 | US5236093 Rate control overflow system for disk screens |
| 08/10/1993 | US5234171 Apparatus comprising crushers to reduce the size, conveyor belts to transport, magnetic separator and screens |
| 08/10/1993 | US5234109 Apparatus and method for separating recyclable waste |
| 08/03/1993 | US5232097 Screening method and apparatus |
| 06/09/1993 | CN2135405Y Wind selecting bran remover |
| 06/09/1993 | CN1072880A Process for separating fibres from composite materials |
| 05/27/1993 | DE4141998A1 Swing conveyor channel with swing drive for sorting materials - has channel trough receiving mixture of glass and plastics and containing grid and air nozzles |
| 05/26/1993 | CN2134239Y Combined wheat descaling machine |
| 04/28/1993 | CN1071351A Process and apparatus for grinding and winnowing fine aluminium powder |
| 04/27/1993 | US5205415 Modular classifier |
| 04/21/1993 | EP0537176A1 Mobile equipment for cleaning sand areas |
| 04/15/1993 | WO1993006910A1 Method and apparatus for sampling air contaminants |
| 04/15/1993 | CA2120924A1 Method and apparatus for sampling air contaminants |
| 04/01/1993 | WO1993005883A1 Process for separating fibres from composite materials |
| 03/19/1993 | CA2096544A1 Process for separating fibres from composite materials |
| 03/10/1993 | EP0530331A1 Continuous particle separation process |
| 03/03/1993 | CN2127641Y Vertical cone wheat brush screening machine |
| 02/23/1993 | US5188237 Device for the separation of powders into coarse and fine components |
| 02/04/1993 | WO1993001888A1 Improved crushed fluorescent tube particulate separation and recovery method and apparatus |
| 02/04/1993 | CA2113545A1 Improved crushed fluorescent tube particulate separation and recovery method and apparatus |
| 02/02/1993 | US5183161 Process and apparatus for separating grain mixture |
| 02/02/1993 | US5183160 High volume padding machine |
| 01/26/1993 | US5181617 Method and apparatus for separating at least a fraction from a mixture containing reclaimable materials |
| 01/26/1993 | US5181616 Grain processor |
| 01/21/1993 | WO1993000833A1 Modular classifier |
| 01/21/1993 | DE4122717A1 Recovery of precious metals from automotive catalytic converter - includes crushing metallic substrate and coatings into particles of differing weight, shape, and size and mechanically sepg. the precious particles |
| 01/20/1993 | CN2126577Y Partical grain impurity automatic detecting device |
| 01/19/1993 | WO1993001889A1 Improved tip separator and method of operation for fluorescent tube digester |
| 01/19/1993 | CA2113631A1 Improved tip separator and method of operation for fluorescent tube digester |
| 01/14/1993 | DE4122062A1 Prepn. of dry material consisting of petroleum coke and electrode residues - for anodes for aluminium@ fusion analysis etc., using simple equipment ensuring accurate results |
| 01/13/1993 | CN1067834A Method for recovering metals in slag by air classification |
| 12/30/1992 | CN1019644B Procedure and apparatus for sorting of wood chips |
| 12/24/1992 | DE4120179A1 Excavation of tunnel by using shield - uses vibrating sieve and cyclone separator to separate solid material from liquid |
| 12/09/1992 | EP0516643A1 Vertical impact mill with coupled material screening |
| 11/26/1992 | DE4116683A1 Wind sifter for separate removal of coarse and fine materials - has preliminary jet pipe and high-speed gas jet for initial dispersal of material |
| 11/25/1992 | EP0515321A2 Installation for crushing used vehicle tires and the like, and for separating the metal parts from the non-metal parts of the crushed material |
| 11/25/1992 | CN2122692U Grid-type grain-sorting machine |
| 11/21/1992 | CA2068956A1 Installation for crushing used vehicle tires and the like, and for separating the metal parts from the non-metal parts of the crushed material |
| 11/19/1992 | EP0514370A2 Method and device for extracting by suction foreign matter from a stream of bulk material |
| 11/17/1992 | US5163627 Separation and screening before composting |
| 11/17/1992 | US5163562 Process for reclaiming bentonite and carbon particles from used foundry sand |
| 10/29/1992 | WO1992018257A1 Method of supplying air for purifying semolina, and a semolina-purifying machine |
| 10/25/1992 | CA2066964A1 Commingled waste separation apparatus and methods |
| 10/22/1992 | DE4126065A1 Griessputzmaschine Purifier |
| 10/22/1992 | DE4121104A1 Composting e.g. municipal waste - by moistening coarse fraction after initial sieving and sieving to separate paper fibres which are added to fire fraction and composted |
| 10/15/1992 | WO1992017646A1 A sifting machine for railway ballast |
| 10/14/1992 | EP0508109A2 Method for screening a fine-grained material |
| 09/29/1992 | CA1308064C Wood chip classifying system |
| 09/22/1992 | US5148993 Method for recycling treatment of refuse of plastic molded articles and apparatus therefor |
| 09/17/1992 | WO1992015716A1 Methods and pneumo-gravitational separation apparatus for extracting mineral values from particulate materials |
| 09/17/1992 | WO1992015715A1 Methods and apparatus for extracting mineral values from particulate materials |
| 08/26/1992 | CN1063899A Moving screen apparatus and method for separation of sugarcane pith from rind |
| 08/26/1992 | CN1063830A Method and apparatus for dry grading tungsten powder or tungsten carbide powder |
| 08/16/1992 | CA2061255A1 Treatment of particulate material |
| 08/11/1992 | US5137621 Integrated screening system for sizing wood chips |
| 08/11/1992 | US5137155 Method and an apparatus for treating plant fibres |
| 08/09/1992 | CA2040931A1 Device for the separation of powders into coarse and fine components |
| 08/06/1992 | WO1992012808A1 Method and apparatus for grading fibrous material |
| 08/06/1992 | WO1992012795A1 A method and an equipment for classifying a gas-solids flow coming from a counterjet pulverizer |
| 08/05/1992 | CN1063244A Front-end wind pressure regulator of main wind mill |
| 08/05/1992 | CN1063243A Suction axial-flow fan impurity direct removing installation |
| 07/28/1992 | US5133507 Procedure and apparatus for the sorting of wood chips |
| 07/23/1992 | DE4101566A1 Suction device for purifiers - has grid bars beneath barbed roller ensuring break-up of compacted fibres |
| 07/11/1992 | WO1992011917A1 Continuous particle separation process |
| 07/11/1992 | CA2077544A1 Continuous particle separation process |
| 07/09/1992 | DE4040808A1 Stone exclusion system from coal mill sieve - has discharge conduit sloping downwards from inclined top impact plate |
| 07/01/1992 | EP0492925A2 Method and apparatus for separation of heavy and light particles from particulate material |