| Patents for B07B 13 - Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices (4,324) |
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| 06/17/1992 | DE4040141A1 Mobile breaker plant - breaks large-sized material down into fine particles of varying granular sizes |
| 06/17/1992 | DE4039934A1 Device for crushing adhered material - works at outlet of bunker or at conveyor belt transfer point |
| 06/17/1992 | DE4039612A1 Separating waste material containing turnings - by pressure-feeding into gap between rotating brush and inclined support surface |
| 06/09/1992 | US5120433 Pipeline padding apparatus |
| 06/09/1992 | CA1303101C Nozzle for screen apparatus |
| 06/03/1992 | EP0488699A1 A rotary screen device |
| 06/03/1992 | EP0488698A1 A screening system |
| 05/30/1992 | WO1992009743A2 A screening system |
| 05/30/1992 | WO1992009375A1 A rotary screen device |
| 05/26/1992 | USRE33935 Apparatus and method for feeding sintering raw mix |
| 05/20/1992 | CN1061168A Small particle separator |
| 05/12/1992 | US5112474 Screening apparatus with tiltable vibratory screen |
| 05/07/1992 | DE4034636C1 Washing and dispensing plant for loose material batch feed - has tube with dispensing scraper chain conveyor in front of feeder |
| 04/29/1992 | EP0482683A1 Method and apparatus for separating a flow of bulk material into fractions of different grain size |
| 04/29/1992 | EP0482566A2 Screen for separating materials of different weights |
| 04/29/1992 | CN2102807U Folding fruit grader |
| 04/28/1992 | US5107991 Method and apparatus for friction sorting of particulate materials |
| 04/21/1992 | CA1299139C Disc screen classifier |
| 04/09/1992 | DE4125236A1 Procedure for separation of flow of heterogeneous materials |
| 04/09/1992 | DE4031584A1 Tower for sorting solid particles of different sizes - has sheets of spring steel attached to inside surface of tower wall |
| 04/08/1992 | EP0479343A2 Production of improved catalyst-type particles using density grading |
| 04/07/1992 | US5101977 Solid waste sorting system |
| 04/02/1992 | WO1992005883A1 Method and apparatus for sorting by size |
| 04/02/1992 | CA2091985A1 Method and apparatus for sorting by size |
| 04/01/1992 | EP0478280A2 Small particle separator |
| 03/31/1992 | US5100537 Waste recycling system |
| 03/24/1992 | US5098557 Granular material cleaning apparatus and method |
| 03/24/1992 | US5097610 Compact padding machine |
| 03/14/1992 | CA2051061A1 Powder and granule inspection apparatus |
| 03/05/1992 | DE4127270A1 Appts. for classifying tobacco particles |
| 03/03/1992 | US5092471 Sorting and counting tray |
| 02/26/1992 | EP0472242A1 Method for separating waste |
| 02/19/1992 | EP0471182A2 Device for sorting small elements |
| 02/01/1992 | CA2048182A1 Procedure for separation of a flow of heterogeneous materials into two flows with different physical characteristics, particularly suitable for treating solid municipal, commercial and/or industrial wastes, and machine for its appli ation |
| 01/29/1992 | EP0468426A2 Classifier for powdery material |
| 01/28/1992 | CA1294943C Production of improved catalyst-type particles using length and density grading |
| 01/24/1992 | CA2047494A1 Classifier for powdery material |
| 01/23/1992 | DE4023095A1 Separating device for sorting material mixtures - has plate with central outlet opening and slider scraping perforated ring face |
| 01/22/1992 | CN2093703U Automatic grader of granular fruit |
| 01/21/1992 | US5082555 Soil feeding apparatus and method |
| 01/21/1992 | US5082552 Hydrotreating with catalyst particles using length and density grading |
| 01/16/1992 | DE4021815A1 Mechanical sorting system for loose building rubble - has conveyor running over protrusions causing vertical lift of larger items |
| 01/14/1992 | US5080235 Small particle separator |
| 01/09/1992 | WO1992000147A1 Mobile plant |
| 01/02/1992 | DE4019505A1 Sepg. sprues from plastic mouldings - using appts. of shaft inclined to horizontal with paddles, located above inclined chute for mouldings |
| 12/24/1991 | US5074435 System for controlling the feed rate of a vibrating feeder |
| 12/04/1991 | CN2089848U Non-mineral selecting device for magnetic alloy pill |
| 12/03/1991 | US5069346 Method and apparatus for friction sorting of particulate materials |
| 12/02/1991 | CA2030322A1 Bean cleaning apparatus |
| 11/27/1991 | CN2089371U Selecting machine for pine nut and shell |
| 11/27/1991 | CN1014869B Gravity classifier |
| 11/25/1991 | CA2040136A1 Waste recycling system |
| 11/14/1991 | WO1991017318A1 Mobile equipment for cleaning sand areas |
| 11/13/1991 | EP0455697A1 Machine for processing goods, especially refuse, for sorting it. |
| 11/13/1991 | CN2088456U Separator for granular solid |
| 11/12/1991 | US5064076 Sorting process and apparatus |
| 11/06/1991 | CN2088002U Foldable orange grading plate |
| 10/30/1991 | CN1014536B Disk screen shaft assemblies and method of means for manufacturing the same |
| 10/22/1991 | US5059308 Installation for processing raw fruit, particularly plums |
| 10/22/1991 | CA1291068C Screening apparatus |
| 10/20/1991 | CA2040749A1 Rake sorter |
| 10/16/1991 | EP0452195A1 Machine for the automatic sorting of caps |
| 10/15/1991 | CA1290724C Apparatus and method for classifying particles |
| 10/09/1991 | EP0449873A1 Filtering apparatus |
| 10/01/1991 | US5052562 Method and apparatus for sorting round objects |
| 09/20/1991 | CA2036256A1 Refuse separator |
| 09/18/1991 | CN2084849U Gravity separator of coarse rice from grain with single-arm connecting rod |
| 09/18/1991 | CN2084845U Dry centifugal screen |
| 09/12/1991 | DE4004428A1 Grading and pulverising device for granular materials - has inclined inlet box and relatively displaceable grading grid with inlet |
| 09/05/1991 | WO1991012735A1 Apparatus for sieving particulate material |
| 09/04/1991 | CN2083966U Sorting machine for fruit |
| 09/03/1991 | CA1288392C Apparatus for separating agricultural produce from spurious matter |
| 08/28/1991 | EP0443315A1 Waste treatment plant |
| 08/28/1991 | EP0443314A2 Waste sorting installation |
| 08/14/1991 | DE4004300A1 Sepn. of particulate plastic materials of different softening points - by feeding them to a heated moving substrate to which the lower softening point particles adhere, and from which they are then removed |
| 08/07/1991 | CN1053566A Apparatus which sort talc |
| 07/26/1991 | WO1991011268A1 Soil separating apparatus and method |
| 07/23/1991 | US5033332 Method and apparatus for concentrating transition elements from particulate sources |
| 07/23/1991 | CA1286633C Disc screen improvement for chip screen efficiency |
| 07/17/1991 | CN2080869U Device for selecting coiled pipes |
| 07/04/1991 | DE3942750A1 Container for removing problem rubbish - has through grip hole with glove attached and two movable telescopic parts |
| 07/03/1991 | EP0435359A1 Bulk hopper device for agricultural products |
| 07/03/1991 | EP0428590A4 Sorting apparatus |
| 06/18/1991 | US5024335 Automatic sorter |
| 06/18/1991 | US5024334 Method and means for gravity table automation |
| 06/11/1991 | CA1284785C Screening apparatus with integrated distributing and segregating device |
| 05/29/1991 | EP0428590A1 Sorting apparatus |
| 05/28/1991 | US5018619 Conveyor belt dumping mechanism using horizontal idlers and impact slides |
| 05/22/1991 | EP0427888A2 Spiked sorting roller comprising bars and sieve plates |
| 05/15/1991 | EP0427305A1 Sorting method and device |
| 05/15/1991 | CN2076886U Batch fed device |
| 05/14/1991 | US5014858 Refuse separator |
| 05/10/1991 | CA2028728A1 Sorting process and apparatus |
| 05/07/1991 | US5013280 Device for secondary separation of grain in a combine harvester |
| 05/07/1991 | US5012688 Sizing apparatus and proportional spacing mechanism |
| 05/02/1991 | EP0425396A1 Method and device for treating waste in order to recover organic material |
| 04/30/1991 | US5011025 Feeder for seed cleaner |
| 04/28/1991 | CA2028308A1 Waste processing for organic matter recovery and apparatus for same |
| 04/23/1991 | US5009331 Apparatus for separating elongated contaminants from a stream of material |
| 04/16/1991 | CA1283080C Sorting installation for valuable substances, particularly dry garbage |