| Patents for B03B 5 - Washing granular, powdered or lumpy materials; Wet separating (6,471) |
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| 05/03/1994 | US5307939 Hydrodynamic device for generating negative pressure excursions in a pump |
| 04/28/1994 | DE4331322A1 Sludge cleaning - uses counterflow of water with intensive mixing to remove light matter at the overflow and heavy matter from the under flow |
| 04/28/1994 | DE4318522A1 Device to charge basin for sepn. process or sewage treatment - has drop tube with structured trumpet mouth expansion for a Coanda effect on material passing into circular basin |
| 04/27/1994 | EP0593727A1 Process and device for separating pulverized plastics of varying density |
| 04/27/1994 | CN1085830A Large air fluidized bed for separating heavy solids medium |
| 04/26/1994 | US5305888 Fruit/vegetable floatation grading |
| 04/26/1994 | US5305607 Geothermal power plant scale separation method and apparatus |
| 04/21/1994 | DE4234636A1 Separating process for plastic mixts. and process appts - uses centrifuge with internal dam, behind which heavier material sinks to outer wall for removal and lighter material and fluid flow over dam lip |
| 04/20/1994 | EP0593144A2 Drainage scoop wheel |
| 04/20/1994 | CN2162297Y Rotary belt chute with weir |
| 04/20/1994 | CN2162296Y Separator with shallow slot link joint for mine |
| 04/14/1994 | WO1994007671A1 Apparatus and process for washing and shredding film |
| 04/14/1994 | WO1993020125A3 Process for the removal of foreign materials from a post-consumer polyethylene terephthalate feed stream |
| 04/14/1994 | DE4234314A1 Heavy fluid for densimetric sepn. - is a mixt. of pure liquids with structural densities for sepn. of minerals |
| 04/13/1994 | CN2161371Y Mine content regulating device for gold collecting ship sealed distributor |
| 04/13/1994 | CN2161370Y Hanging vibrating type big granular gold collector |
| 04/13/1994 | CN1085127A Air supply system of jig in coal dressing plant |
| 04/12/1994 | US5302211 Process for the remediation of contaminated soil |
| 04/12/1994 | US5301881 System for disposing waste |
| 04/07/1994 | DE4233316A1 Combined arrangement of scoop wheel and hydrocyclone - e.g. for separately recovering gravel and sand from water |
| 04/06/1994 | CN2160470Y Jigging chamber of air chamber jig under screen |
| 04/06/1994 | CN1024118C Hydraulic peristaltic feeding leg for panning |
| 04/05/1994 | US5300258 Fluidizing mixture to entrain soil, separating and collecting according to particle size |
| 04/05/1994 | CA1328316C Apparatus for separation of coarse particles |
| 03/31/1994 | DE4232099A1 Screening and washing assembly for ore and coal prepn - has cladding attached by a release mounting for rapid change according to the material mixt. |
| 03/30/1994 | CN2159832Y Air room type jigger under small sieve |
| 03/29/1994 | US5297742 Method and device for the treatment of waste |
| 03/29/1994 | US5297683 Process and apparatus for processing resins |
| 03/23/1994 | EP0588109A1 Method and device for sorting mixtures of solids |
| 03/23/1994 | CN2159255Y Cycling rice washer |
| 03/22/1994 | US5296098 Method and device for separating a fibre suspension |
| 03/22/1994 | US5295583 Process for cleaning short mineral fibers |
| 03/22/1994 | US5295582 Recycling post consumer plastic products |
| 03/16/1994 | EP0586399A1 Method for recycling plastic coated paper product waste and polymeric film |
| 03/09/1994 | EP0586316A2 Method of sorting domestic waste |
| 03/09/1994 | EP0585418A1 Method and device for separating a suspension, preferably a fibre suspension. |
| 03/09/1994 | CN2158303Y Machine for washing seed of melon |
| 03/03/1994 | WO1994004288A1 Apparatus and process for the remediation of contaminated soil |
| 03/03/1994 | WO1994004276A1 Conveyor for aggregates produced during reprocessing of residual concrete |
| 03/02/1994 | EP0585103A2 Process for treating a suspension of solid particles in a carrier liquid |
| 03/01/1994 | US5290401 Method and a device for separating plastic particles from supensions |
| 03/01/1994 | CA1327342C Process for beneficiating particulate solids |
| 02/24/1994 | DE4230478C1 Classifier-type weighing vessel for sand or gravel weight components - consists of rings having parallel upper and lower sides separated by spacing members to form gaps for required grain size, and ring lifting mechanism for adjusting gap width |
| 02/23/1994 | CN2156938Y Vertical slide air valve for jig |
| 02/23/1994 | CN1082460A Technology for recovering ferromanganese from ferromanganese slag |
| 02/22/1994 | US5287975 Continuous cycle apparatus for separating precious metals from concentrate |
| 02/17/1994 | DE4329232A1 Assembly having interlocking contra-rotating combs separates solid particles from granular or lumpy materials - facilitates sepn. of several grades of material in a single stage process |
| 02/17/1994 | DE4236123C1 Low power consumption equipment to separate and dry plastic chips etc. - moves particles on perforated conveyor belt to elastomer squeeze rollers and finally complete drying process with hot air draught |
| 02/16/1994 | CN2155947Y Water sleeve centrifugal ore sorting machine |
| 02/10/1994 | DE4326200A1 Process and appts. to wash contaminants, esp. hydrocarbon(s) from grains separates coarse fraction - and washes within separate circuit using recycled water to reduce contaminant concentration |
| 02/09/1994 | CN1023688C Heavy medium separator exhausting waste rock from bottom |
| 02/08/1994 | US5284250 Particle separation apparatus |
| 02/03/1994 | WO1994002251A1 Device for centrically charging circular tanks |
| 02/03/1994 | WO1994002250A1 Fruit/vegetable floatation grading |
| 02/03/1994 | DE4224948A1 Method of cleaning fine sand of organic impurities - uses vessel, with fluidised bed, sitting on vibrators which oscillate water column in vessel, oscillation intensity can be adjusted to correspond with state of bed |
| 02/03/1994 | CA2119238A1 Device for centrically charging circular tanks |
| 02/02/1994 | CN2154749Y Driving cylinder |
| 02/02/1994 | CN2154748Y Domestic rise washing pan |
| 02/01/1994 | CA1326648C Dry separation of solids |
| 01/27/1994 | DE4224047A1 Vorrichtung zur zentrischen Beschickung von Rundsandfängen und Sandklassierern in Rundbauweise Device for the central charging of circular grit traps and grit classifiers of circular construction |
| 01/25/1994 | US5280836 Process for beneficiating particulate solids |
| 01/20/1994 | WO1994001618A1 Screening apparatus for papermaking pulp |
| 01/20/1994 | WO1994001219A1 Process and device of gravity concentration of solid materials |
| 01/19/1994 | CN2153410Y Automatic rice washing machine |
| 01/19/1994 | CN2153409Y Sieve plate of jig for washing selecting factory |
| 01/13/1994 | DE4222119A1 Vorrichtung und Verfahren zur naßmechanischen Aufbereitung von Feststoffen Apparatus and method for wet-mechanical treatment of solids |
| 01/12/1994 | EP0577889A1 Differential grinding |
| 01/12/1994 | CN2152604Y Umbrella-type device for washing rice |
| 01/12/1994 | CN2152603Y V-chute |
| 01/11/1994 | US5277758 Method for recycling plastic coated paper product waste and polymeric film |
| 01/11/1994 | US5277368 Coal cleaning process |
| 01/06/1994 | WO1994000634A1 Pressure sorter for fibre suspensions |
| 01/06/1994 | WO1994000282A1 Plant for the separation at high temperatures of contaminants of various types from plastic material in small pieces or leaves |
| 01/06/1994 | CA2138011A1 Plant for the separation at high temperatures of contaminants of various types from plastic material in small pieces or leaves |
| 01/05/1994 | DE4321093A1 Soiled water cleaning - has a sieve filling chamber at basin to trap solid concrete residue for removal and recovery by a screw conveyor |
| 01/05/1994 | CN1080216A Concentrating technique of extracting aurin ore from gold-containing tail ore |
| 01/04/1994 | US5275294 Rotating gold pan for separating gold particles from ore |
| 12/28/1993 | US5273165 Rotating gold pan for separating gold particles from ore |
| 12/28/1993 | US5273162 Method and apparatus for separating material from a fluid |
| 12/22/1993 | CN2149968Y Rice and vegtable washing pot with grid |
| 12/08/1993 | EP0572386A1 Improved wear screen plate and method of manufacture thereof. |
| 12/07/1993 | US5268074 Method for recycling polymeric film |
| 12/02/1993 | DE4217464A1 Flotation sepn. device for plastic waste, scrap electric cables etc. - in which material is moved into and out of flotation tank by screw conveyors, rotating paddles release heavy-light material mixed with floating-sinking light-heavy material, etc. |
| 11/25/1993 | WO1993023169A1 Process and device for separating pulverized plastics of varying density |
| 11/25/1993 | DE4215610A1 Verfahren und Vorrichtung zum Trennen von zerkleinerten Kunststoffmaterialien unterschiedlicher Dichte Method and apparatus for separating crushed plastic materials of different densities |
| 11/24/1993 | EP0570757A1 Method and apparatus for separating paper fiber and plastics from mixed waste materials and products obtained thereby |
| 11/24/1993 | CN2147041Y Cylinder type inner spiral coal selector |
| 11/23/1993 | US5263590 Heavy media separation process and apparatus therefor |
| 11/18/1993 | EP0569462A1 Process for separation of two solid components |
| 11/18/1993 | EP0352272B1 Arrangement for an inlet pipe in a rotating drum sieve |
| 11/17/1993 | CN2146306Y Rice washer |
| 11/17/1993 | CN2146305Y High-frequency vibration heavy metal concentrating machine |
| 11/16/1993 | US5262962 Process for beneficiating particulate solids |
| 11/11/1993 | DE4214948A1 Dewatering unit with rotary scoop wheel - has flow directing side panels, esp. for dewatering granulated slag |
| 11/11/1993 | DE4214771A1 Rotary wet classification process for fine materials - comprising rotating bladed wheel arranged in rotating flow field which has outer region and inner region, useful in wet grinding circuits |
| 11/10/1993 | EP0568885A2 Washing device, in particular for waste concrete reclaiming plants |
| 11/10/1993 | EP0568710A1 Means and method for recycling of plastic materials |
| 11/10/1993 | CN1022672C Magnetic-gravitative seperation tech. for fluorocarbon cerium ore |
| 11/03/1993 | EP0423174B1 Jig pulsion mechanism |
| 11/03/1993 | CN2145071Y Gold sizing machine |