Patents for B03B 7 - Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage (2,362) |
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09/01/1993 | EP0557916A2 Method for treating dust loaded filters |
08/31/1993 | US5240114 Process for reclaiming gravel, soil particles, and wood pieces from a mixture of the same |
08/04/1993 | EP0553319A1 Method of separating a mixture of plastics comprising at least three components using electrostatic techniques. |
06/30/1993 | CN1073757A Production method of ash-removed high-concentration coal-water slurry |
06/16/1993 | EP0546645A1 Process for the treatment of exhausted batteries |
05/12/1993 | CN1071857A Process for dressing titanic ore |
04/28/1993 | CN2130607Y Direct controlled grain selective separator |
03/23/1993 | CA1314843C Apparatus and process for reclaiming gravel, soil particles and wood pieces from a mixture of the same |
03/04/1993 | WO1993003848A1 Method of separating a mixture of plastics comprising at least three components using electrostatic techniques |
03/02/1993 | US5190158 Gold pan with classifier |
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 | CN2124071U Rack traction thickener |
12/02/1992 | CN2123377U Wind tunnel sieve plate foam dust remover |
09/01/1992 | US5143224 Method and apparatus for separating diamonds from associated gangue |
08/05/1992 | CN2111790U Citrus gizzards and cores separator |
06/10/1992 | CN1061732A Clay ore wet dressing and preparation of colloid clay |
06/02/1992 | CA1302349C Debris separator system |
05/13/1992 | CN1016586B Insitu hazardous waste treating apparatus and method of using same |
05/05/1992 | US5110454 Apparatus for reclaiming gravel, soil particles and wood pieces from a mixture of the same |
04/22/1992 | CN1060500A Improved process for separating ilmenite |
03/03/1992 | CA1296673C Density classification of particulate materials by elutriation methods(improved) |
03/01/1992 | WO1992004121A1 Process for separating ilmenite |
01/09/1992 | DE4020156A1 Cleaning contaminated broken ground or filling material - involves water storage and circulation system and sealed container mounted on chassis |
01/01/1992 | CN2091718U Underwater gold extractor |
12/31/1991 | US5076702 Installation for extracting granular material in a predetermined composition, method using that installation, a mixing unit, and means of measuring the water content of granular material |
12/27/1991 | EP0277170B1 Separation process |
12/25/1991 | CN1057213A Process for dressing iron from low-rank iron pyrites roasted slag |
12/18/1991 | CN2090730U Centrifugal screen classifier |
12/04/1991 | CN1014960B Separation method of artificial diamond |
11/27/1991 | CN2089369U Machine for panning |
10/30/1991 | CN2087533U Sizing machine of citrus fruits |
10/16/1991 | CN2086634U Placer gold panning and pulverizing unit |
10/16/1991 | CN1055305A Collecting classification boat for sandstone, sand and method for collecting classification |
10/09/1991 | EP0450738A2 A floating dredging apparatus for extracting sand and/or gravel and method using that apparatus |
09/17/1991 | US5049260 Blast cleaning wet media feed and separation system |
08/27/1991 | US5043059 Concentrator for beneficiating minerals |
08/14/1991 | CN1053758A Magnetic-gravitative separation technology for fluorocarbon cerium ore |
07/10/1991 | CN2080425U Dual-purpose cycle shovel for screening machine |
06/19/1991 | CN1012882B Fine separator for enriching minerals |
06/19/1991 | CN1012881B Fine separator for enriching minerals |
05/02/1991 | EP0425045A1 Process for treating spent batteries |
05/01/1991 | CN1050995A High-capacity ore dressing machine using spiral shaking table with wave-vibration cyclone |
03/05/1991 | US4997551 Concentration for beneficiating minerals |
02/06/1991 | CN2070646U Separating machine for powder and starch |
01/02/1991 | CN2068423U Gold selector |
12/19/1990 | CN1010832B Pulsating high gradient magnetic separator with vertical ring |
11/28/1990 | CN2066357U Screen plate for ore-dressing cylindric screen of gold exploitation ship |
11/22/1990 | DE3690783C2 Oxide copper mineral concn. by flotation - involving pre-sulphidation with molten sulphur |
11/07/1990 | CN1046686A Salt collector |
11/07/1990 | CN1010328B Fibre washer |
11/07/1990 | CN1010286B Wet selecting system for hollow glass microbead from powder coal ash |
11/06/1990 | CA1275974C Heavy metal separator |
11/04/1990 | CA2013625A1 Cationic processing of mineral ores |
10/30/1990 | US4966686 Fine metal recovery apparatus |
10/16/1990 | US4962858 Cleaning sluice boxes |
10/09/1990 | US4961841 Apparatus and method employing magnetic fluids for separating particles |
09/19/1990 | CN1009621B Wet vibrating grader |
08/29/1990 | CN2061087U 泥浆净化机 Mud cleaner |
07/25/1990 | CN1008886B Separating device for alluvial gold ore |
05/23/1990 | DE3838500A1 Method and device for hydromechanical processing of mineral substances which can be dispersed in water |
05/17/1990 | WO1990005019A1 Feeder means |
04/05/1990 | DE3833054A1 Verfahren zur aufbereitung von teichschlamm (flotationsabgaengen) und aufbereitungsanlage Process for the preparation of pond sludge (flotation tailings) and treatment plant |
04/04/1990 | EP0122270B1 Separation of multi-phase systems |
04/04/1990 | CN1040935A Fine seperator for enriching minerals |
04/04/1990 | CN1040934A Fine seperator for enriching minerals |
04/03/1990 | US4913803 Particle separation system |
03/14/1990 | CN2054378U Moving type gulch-gold washing device |
03/07/1990 | CN2053946U Classifier for milling ore |
02/28/1990 | CN1039976A Water sieve method of garbage |
11/21/1989 | CA1263098A1 Gold recovery processes |
11/02/1989 | WO1989010196A1 Concentrator for separation of minerals |
11/02/1989 | WO1989010195A1 Concentrator for separation of minerals |
11/01/1989 | CN1036715A Combined high-frequency vibrational screen for dry/wet materials |
10/25/1989 | CN2046407U Recovery and classifier for the drifter of powder coal |
10/18/1989 | CN1036342A Classification of hollow glass corpuscles from powder coal ash |
10/11/1989 | CN1005390B Ore washing-aggiomeration-high gradient magnetic dressing process and ore washing equipment |
09/27/1989 | CN2044901U Fluidized screening device with spiral drum screen |
08/23/1989 | CN2043135U Beaded agarose gel screening grader |
07/26/1989 | EP0325324A2 Apparatus and process for reclaiming gravel, soil particles and wood pieces from a mixture of the same |
07/06/1989 | DE3744163A1 Method and plant for processing ore, coal or other minerals |
07/05/1989 | CN2040405U Dust wiper device for industry use. |
06/28/1989 | CN2040003U Dual-purpose starch and residue auto-separator for potato and grain |
06/28/1989 | CN2039999U Multi-purpose separating water-mill |
06/14/1989 | CN1004471B Scheelite medicament treating electric selection tin-eliminating method |
06/07/1989 | EP0319070A1 An installation for extracting granular material in a predetermined composition and method for using that installation |
05/31/1989 | CN2038424U Tubular screening machine for washing sand for gold |
05/17/1989 | CN2037639U Electrical granular-layer precipitator for boilers burning inferior coal |
05/02/1989 | US4826251 Dredging apparatus |
04/18/1989 | US4822090 For use in the riverbeds |
04/18/1989 | CA1252757A1 Apparatus and a method for separating one solid component from another solid component in suspension in a liquid |
04/12/1989 | EP0311220A2 Improvements in or relating to the treatment of multi-phase systems |
04/11/1989 | US4819808 Apparatus and method employing magnetic fluids for separating particles |
04/05/1989 | CN2035273U Combined strake |
03/29/1989 | CN2034873U Electromagnetic rotational flow vibration sifter |
02/15/1989 | CN1031031A Concentration technology of sepiolite |
01/03/1989 | US4795553 Spiral separator |
12/13/1988 | CA1246479A1 Method for the beneficiation of oxidized coal |
11/17/1988 | DE3715019A1 Apparatus for separating solids from liquids |
11/01/1988 | CA1243984A1 Process for recovering minerals and metals by oleophilic adhesion |
10/05/1988 | CN86106469B Industrial concentration method for sepiolite |