| Patents for B03C 7 - Separating solids from solids by electrostatic effect (998) |
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| 10/19/1999 | US5967331 Method and apparatus for free fall electrostatic separation using triboelectric and corona charging |
| 09/22/1999 | EP0942680A1 Method for controlling and removing dust and other particles from a material |
| 09/02/1999 | WO1999043437A1 Method and apparatus for separating particles by electric fields |
| 08/31/1999 | US5944875 Electrodes; variable voltage source |
| 08/26/1999 | WO1999042216A1 Particle transporter chucks using repulsive field guidance |
| 08/26/1999 | CA2321007A1 Particle transporter chucks using repulsive field guidance |
| 08/17/1999 | US5938041 Apparatus and method for triboelectrostatic separation |
| 08/10/1999 | US5934577 Recycling materials including at least one layer of a base plastic and a layer of a barrier plastic which are separated by a layer of adhesive plastic |
| 06/24/1999 | WO1999030826A1 Method and apparatus for separating particles |
| 06/01/1999 | US5908165 Process and apparatus for reprocessing mixed plastics |
| 05/18/1999 | US5904253 Belt separator system having improved belt geometry |
| 04/07/1999 | EP0800445B1 Process and plant for processing mixed plastics |
| 03/23/1999 | US5885330 Electrostatic separator comprising tribocharger for electrostatically charging carbon and fly ash particles to opposite polarity, electromagnetic field generating plates, and vibrator to dislodge particles accumulated on plates |
| 03/23/1999 | CA2059329C Method and apparatus for separating shapes of abrasive grains |
| 01/28/1999 | DE19829682A1 Selective dynamic storage unit for vegetable seeds with curved roller track |
| 01/21/1999 | DE19831018A1 Separation of multilayer plastic material, especially used in fuel containers |
| 01/20/1999 | CN2304472Y Frictional electrostatic separator |
| 12/30/1998 | CN2302062Y AC dielectric type tree-seeds separator |
| 12/24/1998 | DE19726105A1 Material recovery from electronic scrap |
| 12/08/1998 | US5845783 Method and apparatus for treating fly ash |
| 12/08/1998 | CA2161756C Tube-type gravity separator for separating mixtures of different kinds of plastic materials |
| 11/12/1998 | DE19711340C1 Separator for particles of different conductivity, esp. in recycling |
| 11/03/1998 | US5829598 Method and apparatus for electrostatic separation |
| 10/13/1998 | US5819946 Separation system belt construction |
| 08/27/1998 | WO1998036844A1 Method and apparatus for separation of carbon from flyash |
| 08/18/1998 | CA2138094C Method for processing kieserite concentrates containing langbeinite and anhydrite |
| 08/05/1998 | CN2287055Y Seed separator |
| 07/28/1998 | CA2107698C Electrostatic separation of particles |
| 07/23/1998 | WO1998031469A1 Belt separator system having improved belt geometry |
| 07/02/1998 | WO1998028080A1 Device for electrostatically sorting mixtures of particles of different plastic materials |
| 06/25/1998 | WO1998027139A1 Method for separating polymer-salt mixtures |
| 06/25/1998 | DE19653011A1 Verfahren zur Trennung von Polymer-Salz-Gemischen A method of separating polymer-salt mixtures |
| 06/11/1998 | WO1998024356A1 Method for controlling and removing dust and other particles from a material |
| 06/03/1998 | CN1183319A Electrostatic separating device for separating friction charging mixed material |
| 05/27/1998 | EP0844026A1 Electrostatic separation apparatus for separating triboelectric charged mixtures of material |
| 05/27/1998 | CN1183060A A method and apparatus for electrostatic separation |
| 05/26/1998 | US5755333 Method and apparatus for triboelectric-centrifugal separation |
| 05/20/1998 | CN2281845Y Flyash electric selecting decarbonizer |
| 05/05/1998 | US5746320 Friction electrifying-type electrostatic sorting apparatus |
| 04/15/1998 | EP0813569A4 Separation system belt construction |
| 03/25/1998 | CN1177362A Separation system belt construction |
| 02/11/1998 | EP0822862A1 A method and apparatus for electrostatic separation |
| 02/11/1998 | CN1173155A Dietmar Guschall, Meiner Guschall, A. Helmerth, et al. (DE) |
| 01/14/1998 | CN2272330Y High-effect high-voltage electric separator |
| 01/08/1998 | DE19648373C1 Electrostatic separator for sorting triboelectrically supercharged mixtures |
| 01/08/1998 | DE19637550A1 Processing composites of solid organic, inorganic, metallic and mineral materials in flowing stream |
| 01/06/1998 | US5704490 Electrostatic separation of particulate material |
| 12/29/1997 | EP0813569A1 Separation system belt construction |
| 11/26/1997 | CN2268578Y High voltage electrostatic dust collector |
| 11/18/1997 | US5687852 Tubular free-fall separator for separating plastic mixtures |
| 11/05/1997 | EP0804967A1 Electrostatic separator |
| 11/05/1997 | EP0417114B1 Separating constituents of a mixture of particles |
| 11/04/1997 | US5683040 Method for recycling waste from printed circuit board assemblies from electrical and electronic devices |
| 10/15/1997 | EP0800445A1 Process and plant for processing mixed plastics |
| 06/12/1997 | WO1997020633A1 An adjustable gap in an electrostatic separator |
| 06/10/1997 | US5637122 Electrostatic pyrite ash and toxic mineral separator |
| 06/04/1997 | CN2255315Y Sand-washing-out machine |
| 05/09/1997 | WO1997009398A3 Electrostatic pyrite, ash and toxic mineral separator |
| 05/07/1997 | CN1149006A Electrostatic pyrite, ash and toxic mineral separator |
| 03/26/1997 | EP0764054A1 Method and apparatus for treating fly ash |
| 03/13/1997 | WO1997009398A2 Electrostatic pyrite, ash and toxic mineral separator |
| 03/04/1997 | CA2106842C Electrostatic separation of mixed plastic waste |
| 01/08/1997 | EP0611390A4 Coal pulverizer purifier classifier. |
| 01/02/1997 | DE19522147A1 Electrostatic sorter for comminuted particles of differing types, esp. plastics |
| 12/17/1996 | US5585683 Electrostatic actuators of various configuration with belt-like electrodes to induce an image charge on a resistance member and cause relative motion |
| 11/19/1996 | US5575824 Coal preparation device |
| 11/05/1996 | US5570789 Electrostatic sieving apparatus |
| 10/31/1996 | WO1996033809A1 A method and apparatus for electrostatic separation |
| 10/08/1996 | US5562755 Process for the treatment of langbeinite and anhydrite containing kieserite concentrates |
| 09/24/1996 | CA2095670C Process for recovering carnallite and sylvite by electrostatic separation from carnallite-containing crude salts |
| 09/18/1996 | CN1131062A Tubular falling free separator for separating plastic mixture |
| 09/12/1996 | WO1996027635A1 Separation system belt construction |
| 09/11/1996 | EP0482205B1 Electrostatic actuator |
| 09/10/1996 | CA2019960C Process for treating mineral mixtures |
| 09/10/1996 | CA2019959C Method and apparatus for process for processing ground-up mixtures of minerals |
| 09/03/1996 | US5551642 Electrostatic dispersing apparatus |
| 08/06/1996 | US5542543 Electrostatic separation and classification apparatus |
| 07/18/1996 | DE19500224A1 Verfahren zur Aufbereitung von Mischkunststoffen Process for the preparation of mixed plastics |
| 07/11/1996 | WO1996020819A1 Process and plant for processing mixed plastics |
| 07/09/1996 | CA2057165C Method of improvement of the yield of electrostatic separation of salts |
| 06/12/1996 | EP0553320B1 Method of separating polyethylene (pe) and polypropylene (pp) |
| 06/12/1996 | EP0553315B1 Method of separating poly(ethylene terephthalate) (pet) and poly(vinyl chloride) (pvc) |
| 05/29/1996 | EP0713728A1 Tube separator using free fall for separating plastic mixtures |
| 05/07/1996 | US5513755 Method and apparatus for reducing carbon content in fly ash |
| 04/04/1996 | DE4438704C1 Free fall separator for plastics mixts. |
| 03/06/1996 | EP0553319B1 Method of separating a mixture of plastics comprising at least three components using electrostatic techniques |
| 01/16/1996 | US5484061 Electrostatic sieving apparatus |
| 12/20/1995 | CN2215353Y Suspension electric sorter |
| 12/14/1995 | WO1995033571A1 Method and apparatus for treating fly ash |
| 12/14/1995 | CA2191448A1 Method and apparatus for treating fly ash |
| 06/22/1995 | DE4343625C1 Pure kieserite recovery economically from preconcentrate |
| 04/26/1995 | EP0649681A1 Electrostatic separation and classification apparatus |
| 03/14/1995 | US5397066 Plastics with charging particles |
| 01/03/1995 | US5378954 Electrostatic actuator |
| 12/27/1994 | US5375721 Apparatus for dry placer mining |
| 12/27/1994 | CA1333701C Waterflow separation system for ores |
| 12/06/1994 | US5370235 Method of separating polyethylene (PE) and polypropylene (PP) |
| 11/29/1994 | CA1333271C Procedure for the electrostatic processing of crude argillaceous salts |
| 11/22/1994 | US5366091 Method of separating poly(ethylene terephthalate) (PET) and poly(vinyl chloride) (PVC) |
| 11/01/1994 | CA1332819C Separating constituents of a mixture of particles |