| Patents for B03B 11 - Feed or discharge devices integral with washing or wet-separating equipment (763) |
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| 06/14/1995 | DE4342355A1 Process and assembly to remove organic and inorganic pollutants from contaminated soil |
| 05/18/1995 | WO1995013140A1 Discrete material washing apparatus |
| 05/10/1995 | EP0652048A1 Plant for reclaiming waste concrete, sand and the like |
| 05/03/1995 | EP0650814A1 Device for pretreated plastic fractions, specially scrap portions, in a separation and cleaning apparatus |
| 04/26/1995 | EP0649346A1 Device for centrically charging circular tanks |
| 03/02/1995 | DE4330430C1 Installation for the separation and extraction of liquid |
| 02/23/1995 | WO1995005230A1 Process and device for removing sand from water loaded with sand and organic substances |
| 02/23/1995 | CA2169163A1 Method and apparatus for removing sand from waste water loaded with sand and organic substances |
| 01/18/1995 | EP0634220A1 Device for separating building rubble by the sink-float process |
| 12/28/1994 | CN1027202C System for reclaiming material from waste electric wire |
| 12/20/1994 | US5373946 System for media separation of solid particles |
| 12/13/1994 | US5372713 Long sand trap for separating and removing sand from water from inflow channels |
| 12/08/1994 | DE4318807A1 Process and apparatuses for sorting seeds |
| 12/06/1994 | US5370236 Separator device to separate dense particulate matter from less dense particulate matter |
| 11/24/1994 | WO1994026673A1 Discharge apparatus for a mixer in a biogas plant |
| 11/17/1994 | DE4315033C1 Process and apparatus for the treatment of a mixture of very fine substances |
| 10/20/1994 | DE4312005A1 Device for continuous impurity removal and mashing of biowastes |
| 09/07/1994 | EP0613723A1 A method and plant for the screening of especially stone material |
| 07/12/1994 | CA1330655C Beneficiation apparatus and process for land and seabed mining |
| 07/07/1994 | WO1994014541A1 System for sink-float separation of solid particles |
| 06/23/1994 | DE4240201C1 Conveyor belt of elastomer material |
| 06/21/1994 | US5322225 Process of recycling of disposable diapers and the machine components thereof |
| 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 |
| 04/20/1994 | EP0593144A2 Drainage scoop wheel |
| 04/13/1994 | CN2161373Y Ore pulp diverter |
| 03/23/1994 | EP0588109A1 Method and device for sorting mixtures of solids |
| 03/09/1994 | EP0586316A2 Method of sorting domestic waste |
| 03/03/1994 | WO1994004276A1 Conveyor for aggregates produced during reprocessing of residual concrete |
| 02/03/1994 | WO1994002251A1 Device for centrically charging circular tanks |
| 02/03/1994 | CA2119238A1 Device for centrically charging circular tanks |
| 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 |
| 01/11/1994 | US5277317 For beneficiating minerals |
| 12/07/1993 | US5267653 Sorting method and sorting device |
| 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. |
| 10/20/1993 | EP0565898A1 Device for separating solid matter from a liquid with a cylindrical liquid permeable separating surface and for removing solid matter |
| 10/14/1993 | WO1993019851A1 Equipment for the separation of various kinds of small sized materials |
| 10/14/1993 | WO1993019850A1 Plant for the separation of various kinds of small sized materials |
| 09/15/1993 | EP0560561A2 Froth flotation machine |
| 09/10/1993 | CA2087149A1 Froth flotation machine |
| 08/31/1993 | US5240114 Process for reclaiming gravel, soil particles, and wood pieces from a mixture of the same |
| 08/18/1993 | EP0555784A1 Device for sorting mixtures of solids |
| 08/10/1993 | US5234111 Flotation machine |
| 07/22/1993 | WO1993013862A1 Wash-out tub for residual concrete |
| 04/29/1993 | DE4143376A1 Unit for removal of floating and suspended matter and sand from supply channel of clarification plant - comprises grid or sieve, screw conveyor sepn. device and a classifying conveyor |
| 04/28/1993 | EP0538370A1 Separator |
| 04/27/1993 | US5205926 Froth flotation machine |
| 04/21/1993 | EP0537797A1 Compact type-device for separating and removing rakings and sand from a gully |
| 03/23/1993 | CA1314843C Apparatus and process for reclaiming gravel, soil particles and wood pieces from a mixture of the same |
| 02/18/1993 | DE4224783A1 Sortiervorrichtung Sorter |
| 02/03/1993 | EP0525348A1 Sandcollector for separating and removing sand from a gully, particularly from a wastewater purification plant |
| 01/07/1993 | WO1993000489A1 Elongated sand catcher for separating and removing sand from flume channels, in particular of sewage treatment plants |
| 11/26/1992 | DE4220598A1 Light-foreign-body-sepg. from mixture - using scraper belt in water-bed kept in continuous cyclical movement |
| 10/14/1992 | EP0508335A2 Device for seperating light materials from sand and gravel |
| 09/10/1992 | DE4107679A1 Liq. container for washing e.g. vegetables after peeling - has inclined floor surface with conveyor and openings with gratings by way of which peel fragments, etc. are removed |
| 07/16/1992 | DE4143029A1 Waste concrete recycling trough |
| 05/21/1992 | DE4036192A1 Suction appts. for floating matter removal in flotation tank - has suction device comprising suction hood having peripheral vertical edge completely covering tank apart from peripheral horizontal strip |
| 05/07/1992 | DE4034636C1 Washing and dispensing plant for loose material batch feed - has tube with dispensing scraper chain conveyor in front of feeder |
| 05/05/1992 | US5110454 Apparatus for reclaiming gravel, soil particles and wood pieces from a mixture of the same |
| 02/06/1992 | DE4125164A1 Plant for recovering plastics from scrap - removes large dirt, then disintegrates material, washes it, disintegrates further and washes before drying for reuse in producing film |
| 01/23/1992 | DE4023434A1 Sepn. system for shredded plastic materials - delivers with liq. below surface in flotation basin |
| 01/20/1992 | WO1992001516A1 Separator |
| 01/20/1992 | CA2085609A1 Separator |
| 01/09/1992 | DE4021318A1 Installation for reuse of concrete residue - incorporates water filled through with bucket wheel rotor |
| 11/21/1991 | EP0457411A1 Method and device for separating a light material fraction from a heavy material fraction from a mixture of the two fractions of solid materials |
| 10/16/1991 | CN1055305A Collecting classification boat for sandstone, sand and method for collecting classification |
| 10/15/1991 | US5057211 Benefication apparatus and process for land and seabed mining |
| 08/21/1991 | CN2083072U Double-grade static-pressure curved screen |
| 05/08/1991 | CN1051263A System for reclaiming material from waste electric wire |
| 04/30/1991 | US5011087 Method of and apparatus for continuously treating comminuted synthetic plastic containers and products having contaminants bonded thereto for recycling purposes |
| 12/06/1990 | DE3918213A1 Sepn. of solid particles suspended in liq. - involves tank with inlet pipe with curved guide vanes |
| 10/11/1990 | DE3928528A1 Trough for washing cement out of unused concrete - is fitted with screw conveyor to remove sand and gravel |
| 09/13/1990 | DE3906645A1 Washing-out device for residual concrete |
| 08/07/1990 | US4946584 Hydraulic product separator |
| 07/10/1990 | US4940535 Solids flow distribution apparatus |
| 07/10/1990 | US4940187 Systematic equipments for recycling raw materials from waste wires |
| 05/17/1990 | WO1990005019A1 Feeder means |
| 01/10/1990 | EP0349710A2 Dewatering scoop wheel for sand dressing plants |
| 07/26/1989 | EP0325324A2 Apparatus and process for reclaiming gravel, soil particles and wood pieces from a mixture of the same |
| 07/05/1989 | EP0323447A2 Minerals separator |
| 04/19/1989 | EP0311714A2 Washing device |
| 03/01/1989 | CN2033298U Combination high-frequency vibration sieve for dry or wet material |
| 10/11/1988 | CA1243136A1 Method and apparatus for withdrawing a layer of material from a vessel |
| 05/31/1988 | CA1237383A1 Concentrator |
| 04/21/1988 | DE3634323A1 Method and apparatus for centrifugal separation of a flotation suspension mixture |
| 02/09/1988 | CA1232574A1 Hydraulic concentrator |
| 09/01/1987 | US4690753 Discharging fluids containing heavy matter; sensing device |
| 08/05/1987 | EP0230479A1 Method of and device for sorting ores, minerals, etc. |
| 07/02/1987 | WO1987003827A1 Process and installation for sorting ores, minerals, etc. |
| 03/03/1987 | CA1218772A1 Means for leading off froth from the tank of a flotation cell |
| 02/26/1987 | DE3529760A1 Sand trap for separating off sinking materials from waste water |
| 02/10/1987 | CA1217656A Teeter bed density control device and method |
| 11/11/1986 | US4622141 Method and apparatus for withdrawing a layer of material from a vessel |
| 11/04/1986 | US4620689 Hydraulic concentrator |
| 10/21/1986 | US4618430 Using gas to float waste to surface, then blowing into outlet |
| 10/14/1986 | US4616786 Plant for processing surplus concrete |
| 09/02/1986 | CA1210735A1 Method and apparatus for reclaiming storage battery components |
| 03/25/1986 | CA1202285A1 Method and installation for concentrating heavy metals, precious metals or heavy minerals in sand or gravel |
| 01/28/1986 | US4566968 At least two launders |
| 01/15/1986 | EP0167646A1 Re-treatment installation of waste concrete |
| 11/19/1985 | US4553673 Method and apparatus for obtaining undercuts of concentrates from pulp flow in spiral separators |