Patents for B03B 5 - Washing granular, powdered or lumpy materials; Wet separating (6,471)
04/1991
04/24/1991EP0423900A1 Method for separating contaminants from soil
04/24/1991EP0423174A1 Jig pulsion mechanism.
04/23/1991US5009796 Pump for washing, leaching or concentrating particles in a liquid, or to separate particles from the liquid or from each other
04/18/1991DE3934296A1 Reinigungsmaschine Cleaner
04/17/1991EP0422460A2 Method for separating and recovering layered plastics joined at an interface
04/14/1991CA2026285A1 Method for separating and recovering layered plastics joined at an interface
04/10/1991CN2074677U Water and sand separater
04/04/1991WO1991004100A1 Process for the separation and recovery of plastics
04/03/1991EP0420437A1 Opaliform procellanite and process for the preparation thereof
04/03/1991EP0420380A2 Particle separator
03/1991
03/27/1991CN2073773U Water flow classifying device of ion-exchange resin
03/27/1991CN1050148A Gravity concentrator
03/27/1991CN1050147A Gravity concentrator
03/21/1991DE3928370A1 Gravity sepn. of slurry fed into inclined cylinder - to controlled distance by axial feed with annular gap met by radial connectors
03/21/1991DE3928369A1 Modular concentrator for gravity sepn. - has inclined cylinder with common raw material inlet and light fraction outlet
03/20/1991EP0417114A1 Separating constituents of a mixture of particles
03/20/1991CN1012059B Method and equipment for continuous washing of titanium dioxide hydrates
03/19/1991US5000842 Method and apparatus for treating fiber suspension
03/19/1991CA2025190A1 Opaliform porcellanite and process for the preparation thereof
03/12/1991US4998986 Centrifugal jig pulsing system
03/07/1991DE3928427A1 Removing heavy metals, esp. mercury from contaminated earth - by repeated washing and fractionation forming conc, fraction for furnace
03/06/1991EP0414740A1 Separator
03/06/1991CN2072438U Rice-washing gourd ladle
03/05/1991US4997551 Concentration for beneficiating minerals
02/1991
02/27/1991CN2071984U Combined hand and electric machine for washing rice and removing sand
02/19/1991US4994176 Incline elongated hollow casing
02/19/1991CA1280384C Minerals separator
02/13/1991EP0412785A1 A method of pretreating a particulate catalyst
02/06/1991EP0411023A1 A method and apparatus for ascertaining the net weight of a frozen, ice-coated product
01/1991
01/30/1991CN2070202U Anti-theft gold selection machine
01/23/1991CN2069753U Centrifugal ore-dressing machine capable of counterflow continuous discharging
01/23/1991CN2069752U Container for washing rice
01/22/1991USRE33524 Cyclic variation of acoustic energy propagation
01/22/1991CA1279293C Multi-stage apparatus for separating mixtures of solids of differentspecific gravity, particularly for the mining industry
01/14/1991CA2015897A1 Cleaning sluice boxes
01/08/1991US4983157 Centrifugation system using static layer
01/08/1991CA1278778C Splitter assembly
01/02/1991EP0160031B1 Hydraulically operated different density particle sorting apparatus and process
01/01/1991US4981876 Method for separating and recovering layered plastics joined at an interface
01/01/1991US4981219 Apparatus and method for separating intermixed particles of differing densities
12/1990
12/29/1990WO1991000146A1 Method and apparatus for sorting articles with small density differences utilizing a flotation stream
12/27/1990EP0404548A2 Separator
12/26/1990CN1047987A Sand removing process using vortex flow
12/25/1990US4980064 Cyclone separator with enlarged underflow section
12/12/1990EP0401812A1 Method and apparatus for the preparation of root crop
12/11/1990US4976777 Metal powder having controlled particle size distribution for metallic pigments and process for producing the same
12/06/1990WO1990014890A1 Method and device for the treatment of waste
11/1990
11/29/1990DE3912978C1 Transverse flow classification system - uses water jets directed upward and producing fan spray pattern
11/28/1990CN2066355U Machine for washing rice with circular separaitng wall
11/20/1990US4971111 For a pneumatic setting tank
11/07/1990CN1046702A Heating method and apparatus for pressing band of presses
11/07/1990CN1010328B Fibre washer
11/07/1990CN1010286B Wet selecting system for hollow glass microbead from powder coal ash
11/06/1990US4968418 Apparatus for washing out and sorting organic, loamy and other impurities from continuously supplied coarse and fine granular solids
11/06/1990CA1275974C Heavy metal separator
10/1990
10/31/1990EP0394655A1 Method and device for heating the press band of a press
10/31/1990EP0394316A1 Process for beneficiating particulate solids.
10/31/1990CN2064686U Simple washing rice device
10/31/1990CN2064685U Multipurpose washing rice basin
10/25/1990CA2015323A1 Dense media
10/23/1990US4964845 Minerals separator
10/23/1990US4964576 Method and apparatus for mineral matter separation
10/17/1990EP0392943A1 Arrangement for characterizing particles in suspension in a liquid
10/16/1990US4962858 Cleaning sluice boxes
10/11/1990DE3928528A1 Trough for washing cement out of unused concrete - is fitted with screw conveyor to remove sand and gravel
10/10/1990EP0391861A2 Apparatus for the preparation and execution of tests on the sedimentation rate of organic liquids and others
10/10/1990EP0391324A1 Vibratory sorter
10/10/1990EP0312533A4 Control of jig separators
10/09/1990US4961843 Lewis econosizer for hydraulically classifying particles
10/09/1990US4961842 Siphon gravity classifier and clarifier
10/01/1990WO1990011832A1 Method and apparatus for capillary hydrodynamic fractionation
10/01/1990CA2049283A1 Method and apparatus for capillary hydrodynamic fractionation
09/1990
09/27/1990DE3914205C1 Prepn. of building rubble contg. inorganic components - by breaking up material, adding sand and removing organic material
09/20/1990DE3908185A1 Process and apparatus for treating contaminated soil materials
09/19/1990CN1009621B Wet vibrating grader
09/13/1990DE4007569A1 Herstellungsverfahren fuer ausruestung zur mineralientrennung Manufacturing process for the exclamation minerals separation
09/13/1990DE3906645A1 Washing-out device for residual concrete
08/1990
08/29/1990EP0384546A2 Minerals separator
08/29/1990CN1009344B Gravitational separation
08/22/1990CN1009250B Panning method and panning machine
08/21/1990US4950389 Gravity concentrator
08/07/1990US4946586 Gravitational separation
08/07/1990US4946584 Hydraulic product separator
08/02/1990DE3902665A1 Process for upgrading inorganic nonmetallic fibres, in particular ceramic fibres, and also an apparatus for carrying out this process
08/02/1990DE3902535A1 Method and device for treating contaminated bases
07/1990
07/31/1990US4944868 Process and apparatus for separating plastics from contaminants
07/25/1990CN1008886B Separating device for alluvial gold ore
07/18/1990CN2059377U Sand remover by washing for granular grains
07/11/1990CN2059105U Rice washing basket
07/10/1990US4940187 Systematic equipments for recycling raw materials from waste wires
07/04/1990EP0376446A2 Three-roll thickener for pulp and paper stock, and use thereof
07/03/1990CA1271164A1 Jigging method and apparatus for gravity separation in the fine and finest particle size ranges
06/1990
06/14/1990WO1990006394A1 Device for chip washing
06/07/1990DE3844214C1 Process for the recovery of rare metals from catalysts
06/06/1990CN2057867U Domestic electric rice washer
06/06/1990CN2057866U Sands-removing rice washer
06/05/1990US4931193 Treatment of catalyst particles
05/1990
05/31/1990WO1990005807A1 Screening device
05/30/1990EP0370237A1 Apparatus for rinsing and sorting organic, loamy and other impurities from continuously fed coarse and fine-grained solid materials
05/30/1990CN2057600U Rice-washing unit
1 ... 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65