| Patents for B03B 4 - Separating by pneumatic tables or by pneumatic jigs (483) |
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| 01/11/2000 | CA2121160C Computer controlled separator device |
| 12/15/1999 | CN1238244A Process for breaking, separating and recovering waste printed circuit board and apparatus thereof |
| 12/09/1999 | WO1999062647A1 Material classifying apparatus |
| 12/07/1999 | US5996808 Fly ash processing using inclined fluidized bed and sound wave agitation |
| 11/24/1999 | CN1046625C Modular type multi-grade particle separator |
| 11/16/1999 | US5984105 Material classifying apparatus |
| 11/02/1999 | US5976435 Extruding a hollow body, pumping a slurry of particles and uncured binder material into the interior of the hollow body, and curing the binder material to create a solid core surrounded by an outer layer. solid waste |
| 11/02/1999 | US5975309 Fluidized-bed classifier |
| 10/12/1999 | US5964355 Procedure and apparatus for separating heavy particles of material from lighter ones |
| 09/28/1999 | US5957297 Apparatus for separating heavy particles of material from lighter ones |
| 09/21/1999 | CA2144672C Method of treating fine ore |
| 09/14/1999 | CA2058125C Method and apparatus for separation of heavy and light particles from particulate material |
| 08/24/1999 | US5943231 Computer controlled separator device |
| 08/18/1999 | CN2333449Y Movable gravity seed classifier |
| 08/10/1999 | CA2113368C Aeraulic separator, particularly for sorting waste |
| 07/21/1999 | EP0759813B1 Method and apparatus for the classification of solid particles |
| 07/21/1999 | CN2329441Y Gravity-type separator working table tilt angle regulator |
| 07/14/1999 | CN1222409A High-frequency micro-amplitude gravity ore-separating machine |
| 06/08/1999 | CA2160062C Vertical arrangement fluidized/non-fluidized bed classifier cooler |
| 06/02/1999 | CN2321529Y Suction type vibration separator |
| 06/02/1999 | CN2321528Y Straight line vibration multi-grade grader |
| 06/01/1999 | US5908115 Method and apparatus for the classification of solid particles |
| 05/06/1999 | EP0912310A1 Process and system for treatment of mixed plastic materials |
| 04/21/1999 | CN2314850Y Composite dry sorting machine |
| 04/20/1999 | CA2119653C Apparatus/method for uniform fluidized bed sorting |
| 03/09/1999 | US5879618 Whirl-bed drying means, drying gas purification; avoids disturbances due to dust |
| 02/17/1999 | CN2307631Y Power gravity grain dressing machine |
| 02/10/1999 | EP0608293B1 Apparatus/method for uniform fluidized bed sorting |
| 01/19/1999 | US5860531 Cereal separator using size and specific gravity grading |
| 09/30/1998 | CN2292612Y Heavy impurity vibration catching remover |
| 09/16/1998 | CN1192946A Process for treating waste materials and residual materials and equipment thereof |
| 08/21/1998 | CA2229853A1 Separation apparatus |
| 07/01/1998 | EP0850691A1 Method and device for waste treatment |
| 06/03/1998 | CN2282933Y Horizontal type multitube dust remover |
| 05/05/1998 | CA2058123C Method and apparatus for separation of heavy and light particles from particulate material |
| 04/21/1998 | CA2090032C Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improving material fluidized bed sorting |
| 03/25/1998 | CN2276840Y Composite set for stones removal from unprocessed food grains |
| 01/28/1998 | CN2273220Y Circulation wind separating stone-removing machine for cereal |
| 01/15/1998 | WO1998001276A1 Process and system for treatment of mixed plastic materials |
| 01/15/1998 | DE19629473A1 Separation of recovered plastics mixture into light and heavy material |
| 12/31/1997 | CN1168818A Cereal separation apparatus |
| 12/18/1997 | WO1997047405A1 Dry separation of fine powder from coarse contaminant in a vibrating fluid bed |
| 12/10/1997 | CN1167017A Fluid-bed separator |
| 11/20/1997 | DE19619411A1 Machine for treatment of mineral material e.g. stone for tiles |
| 10/22/1997 | EP0801988A2 Fluidized-bed classifier |
| 10/14/1997 | US5676734 Hot drying gas flows around ore particles of fine ore, releasing entrained dust ore particles, collecting and mixing the dust ore particles with dried fine ore, drying is effected in a fluidized bed |
| 10/01/1997 | EP0798055A2 Cereal separation apparatus |
| 09/24/1997 | CN2262949Y Absorbent-type vibrating screen classifier for removing impurity |
| 09/23/1997 | US5669509 Classifying titania |
| 09/10/1997 | CN2261888Y Gravity grading stone remover |
| 09/10/1997 | CN2261887Y Municipal life refuse sorter |
| 09/04/1997 | WO1997031714A1 Dry separation of fine powder from coarse contaminant in a vibrating fluid bed |
| 08/26/1997 | US5660282 Method and apparatus for separating resource materials from solid waste |
| 08/06/1997 | CN2258795Y Movable jet even distribution feeding means for pressure curved sieve |
| 07/30/1997 | CN2258431Y Composite multi-purpose grain screening machine |
| 07/30/1997 | CN2258430Y Large material discharging device for jig |
| 07/24/1997 | DE19601206A1 Inclined plane vibrating corrugated sieving process for grading compost grains |
| 07/23/1997 | CN1154877A Procedure and apparatus for separating heavy particle of material from lighter ones |
| 07/22/1997 | US5649785 Method of treating solid waste, recovering the constituent materials for recycling and reuse, and producing useful products therefrom |
| 07/16/1997 | CN1154272A Apparatus for separating heavy particles of material from lighter ones |
| 06/10/1997 | US5637216 Filter matting for a reversible-flow filter |
| 05/14/1997 | CN2254011Y Cyclone powder separator |
| 05/07/1997 | EP0544827B1 Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improving material fluidized bed sorting |
| 05/07/1997 | CN1149267A Method and apparatus for the classification of solid particles |
| 04/16/1997 | CN2252054Y Wheat combination cleaning sifter choice chamber |
| 03/19/1997 | EP0763383A2 Procedure and apparatus for separating heavy particles of material from lighter ones |
| 03/19/1997 | EP0763382A2 Apparatus for separating heavy particles of material from lighter ones |
| 03/05/1997 | EP0759813A1 Method and apparatus for the classification of solid particles |
| 11/27/1996 | CN1136661A Gradation cooler for vertical fluidized-bed/un-fluidized-bed |
| 11/13/1996 | CN1033262C Method and apparatus for separating tobacco stalk fibre and tobacco leaf bound together |
| 07/31/1996 | CN2231946Y Farm screening-separating machine |
| 07/30/1996 | US5541831 Computer controlled separator device |
| 06/21/1996 | CA2165636A1 Method for separating frangible material from malleable material |
| 06/18/1996 | US5526938 System for classifying and cooling particulate material |
| 06/11/1996 | US5524768 Separator for the separation of fluidizable from non-fluidizable materials |
| 03/27/1996 | CN1119216A Process for preparing neodymium and neodymium-dysprosium compounds by recovering waste neodymium-iron-boron |
| 03/13/1996 | EP0511257B1 Conveying and separation apparatus |
| 02/01/1996 | DE4426502A1 Vibrating screen unit for shredded waste, with screening-, and air assisted classification |
| 12/26/1995 | US5477909 Apparatus for the processing of foundry sands |
| 12/07/1995 | WO1995032811A1 Method and apparatus for the classification of solid particles |
| 10/31/1995 | US5462172 Nonferrous material sorting apparatus |
| 09/27/1995 | EP0673681A1 Method of treating fine ore |
| 08/01/1995 | US5437373 Aeraulic separator, particularly for sorting waste |
| 07/19/1995 | CN1105214A Modular style multi-separator |
| 06/07/1995 | EP0377563B1 Method and apparatus for separation using fluidized bed |
| 06/07/1995 | CN1028741C Apparatus for separating material in fluidized bed form and detection of clogging |
| 04/26/1995 | EP0649604A1 Separating apparatus and method |
| 04/19/1995 | EP0608293A4 Apparatus/method for uniform fluidized bed sorting. |
| 03/14/1995 | US5397066 Plastics with charging particles |
| 03/07/1995 | US5394893 Modular style multi-separator |
| 02/21/1995 | CA1334523C Method and apparatus for separation of objectionable particles from tobacco |
| 02/14/1995 | US5388704 Relating to conveying and separation apparatus |
| 01/25/1995 | EP0635307A1 Nonferrous material sorting apparatus |
| 01/11/1995 | CN2187074Y Reaction-filtering-drying multi-fnctional machine |
| 12/27/1994 | US5375721 Apparatus for dry placer mining |
| 12/14/1994 | EP0628351A1 Method and device for separating a bulk material |
| 11/22/1994 | US5366094 Wind tunnel for cleaning and classifying solid particle form material |
| 11/17/1994 | EP0624409A1 Method of extracting a substance having penetrated a solid and of separating substances adhesing externally to a solid |
| 09/21/1994 | EP0615786A1 Separator for the separation of fluidisable from non fluidisable materials |
| 09/06/1994 | US5344025 Commingled waste separation apparatus and methods |