| Patents for B07B 9 - Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets (3,146) |
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| 02/24/1999 | CN2308449Y Sucking layered sorter |
| 02/23/1999 | US5873469 Vibrating screener |
| 02/17/1999 | CN2307635Y Cone screen without frame |
| 02/11/1999 | DE19833128A1 Method and equipment for grading lumps of rock |
| 02/03/1999 | EP0703838B1 Method and device for separating heavy particles from a particulate material |
| 02/03/1999 | EP0646049B1 A method for manufacturing low bark content wood chips from whole-tree chips |
| 02/02/1999 | US5865317 Woodwaste processing system with contaminate separation |
| 01/21/1999 | DE3943733C2 Air separator classifying powders |
| 01/19/1999 | US5860531 Cereal separator using size and specific gravity grading |
| 01/07/1999 | DE19727154A1 Recovery of natural stone material from waste residue |
| 01/05/1999 | CA2036171C Method and apparatus for wood chip sizing |
| 12/30/1998 | WO1998058741A1 Mobile crushing machine |
| 12/30/1998 | EP0887107A2 Method and device for recovering natural stone from waste |
| 12/24/1998 | DE19726105A1 Material recovery from electronic scrap |
| 11/25/1998 | CN2298067Y Circulating winnowing and magnetic separation combined machine |
| 11/18/1998 | EP0809543B1 Process and device for sorting waste material, especially mixed waste material from construction |
| 11/18/1998 | CN2297254Y Small size grain screening machine |
| 11/11/1998 | CN2296777Y Induced-draught automatic winnower |
| 11/03/1998 | US5829597 Air density system with air recirculation and gyrating bar feeder |
| 10/20/1998 | CA2166661C Carpet recycling process and system |
| 10/01/1998 | WO1998042455A1 Sorting waste materials |
| 09/30/1998 | CN2292619Y Heavy impurity remover by vibration delivery and wind catching |
| 09/24/1998 | DE19711544A1 Mechanised sorting of soil for metallic debris |
| 09/16/1998 | CN1192946A Process for treating waste materials and residual materials and equipment thereof |
| 08/18/1998 | US5794786 Method and apparatus for sorting solids by airstream |
| 08/18/1998 | CA2083055C System for separation of materials using suction air power |
| 08/05/1998 | EP0855941A1 A device and apparatus for classification and separation of particles in cereal milling process |
| 07/30/1998 | DE19702738A1 Pneumo-separator, e.g. cleaning machine for grain, seeds and minerals |
| 07/30/1998 | DE19702253A1 Plant separating mixed materials on both specific gravity and grading differences |
| 07/28/1998 | CA2122807C Installation for the use of outdated or spoiled foodstuffs of human consumption for animal consumption |
| 07/01/1998 | EP0850691A1 Method and device for waste treatment |
| 07/01/1998 | CN2285171Y Mobile high speed vibration sieve |
| 07/01/1998 | CN2285170Y Mobile seed sorter |
| 06/18/1998 | DE19651876A1 Sieve system for removing foreign matter from gas flows |
| 06/10/1998 | DE19732442A1 Classification of higher-value yellow sack waste into recyclable materials in fully automatic plant |
| 06/02/1998 | US5758778 To separate and remove contaminants from grain |
| 05/20/1998 | CN1182380A Method and system for mechanical separation of various materials/substances from disposed fluorescent light tubes and similar lamps being crushed |
| 05/19/1998 | US5752868 Apparatus for and method of collecting used cathode-ray tubes |
| 05/05/1998 | CA2058123C Method and apparatus for separation of heavy and light particles from particulate material |
| 04/30/1998 | WO1998017404A1 Air density system with air recirculation and gyrating bar feeder |
| 04/29/1998 | CN2279964Y 气动振动器 Pneumatic vibrator |
| 03/31/1998 | US5732829 Separation apparatus and method for granular material |
| 03/10/1998 | US5725102 Method and device for separating heavy particles from a particulate material |
| 03/03/1998 | US5722542 Machine and method for separating recyclable matter |
| 02/26/1998 | DE19634291A1 Recovering fines from a particulate material |
| 02/25/1998 | EP0824972A2 Method for separating a mixture of solids |
| 02/05/1998 | DE19631442A1 Recovery of absorbent materials from new nappies or pads |
| 01/22/1998 | DE19628437A1 Sieving of granules especially rigid polystyrene foam particles |
| 01/14/1998 | EP0817685A1 Method and system for mechanical separation of various materials/substances from disposed fluorescent light tubes and similar lamps being crushed |
| 01/14/1998 | CN2272336Y Device for separating unthreshed rice grain and rice chaff and taking no plump-earved rice grain |
| 01/08/1998 | DE19637550A1 Processing composites of solid organic, inorganic, metallic and mineral materials in flowing stream |
| 01/06/1998 | US5704558 Automated recycling center for aluminum cans |
| 01/02/1998 | DE19625464A1 Radioactively contaminated electrical cable disposal |
| 12/31/1997 | CN1168818A Cereal separation apparatus |
| 12/17/1997 | CN2270565Y High effciency grain cleaning apparatus |
| 12/03/1997 | EP0809543A1 Process and device for sorting waste material, especially mixed waste material from construction |
| 11/18/1997 | CA2089224C Air classification of flour |
| 11/11/1997 | US5685335 Pneumatic reflex valve for an injection tube |
| 11/04/1997 | US5683041 Recycling light bulbs |
| 11/04/1997 | US5683040 Method for recycling waste from printed circuit board assemblies from electrical and electronic devices |
| 10/21/1997 | CA2094518C Waste aggregate mass density separator |
| 10/01/1997 | EP0798055A2 Cereal separation apparatus |
| 08/26/1997 | US5660282 Method and apparatus for separating resource materials from solid waste |
| 08/21/1997 | WO1997029826A1 Dredging system and method |
| 08/21/1997 | DE19605546A1 Method for separating blasting medium from paint or other particles |
| 08/21/1997 | CA2246740A1 Dredging system and method |
| 08/19/1997 | US5657876 Abrasive grit material recovery system |
| 08/12/1997 | US5656174 Continuous, portable; series of screens and gravity separation |
| 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 | EP0783380A1 Low velocity air density separator |
| 06/18/1997 | EP0779109A1 Low velocity air density separator |
| 06/14/1997 | CA2192629A1 Low velocity air density separator |
| 06/11/1997 | CN2255882Y Integrated fine separator for coaxial vebration screen |
| 05/28/1997 | EP0594730B1 Modular classifier |
| 05/15/1997 | DE19539499A1 Treatment and fragmentation of old timbers by multistage process |
| 05/09/1997 | WO1997016590A1 A method and equipment for manufacturing predetermined low bark content wood chips and a high bark content fuel fraction from wood chips with bark attached |
| 05/07/1997 | CN1149267A Method and apparatus for the classification of solid particles |
| 05/02/1997 | EP0717664A4 Integrated waste pulping and liquid extraction system |
| 04/24/1997 | WO1997014513A1 A device and apparatus for classification and separation of particles in cereal milling process |
| 04/23/1997 | CN2252666Y Continuous sundry goods separator |
| 04/22/1997 | US5622265 Abrasive grit material recovery system |
| 04/15/1997 | US5620145 High-speed pulverizing method and equipment |
| 04/09/1997 | CN2251446Y Airstream bolting mill |
| 03/05/1997 | EP0759813A1 Method and apparatus for the classification of solid particles |
| 03/05/1997 | EP0610478B1 Process for breaking closed glass bodies containing pollutants down into recyclable components |
| 02/05/1997 | EP0655015B1 Machine and method for separating recyclable matter |
| 01/29/1997 | EP0755725A1 Device for separating according to shape |
| 01/29/1997 | CN2246025Y Dry gold vanning machine |
| 01/28/1997 | US5597076 To separate and remove contaminants from grain |
| 01/23/1997 | DE19526040A1 Installation in which grains of material are reduced in size |
| 01/14/1997 | US5593096 Hammer milling through holes of grate; screening |
| 01/09/1997 | DE19524649A1 Preheating and firing plant esp. for clinker mfr. |
| 01/08/1997 | EP0611390A4 Coal pulverizer purifier classifier. |
| 01/07/1997 | US5590791 Method and apparatus for sorting waste |
| 12/31/1996 | US5588598 Magnetism and vibration; separator; disposal of solid wastes |
| 12/24/1996 | CA2102562C Rate control overflow system for disk screens |
| 12/11/1996 | EP0747126A1 Method and device for treating fibrous material, particularly waste inorganic wool, comprising fibres and foreign matter |
| 12/11/1996 | CN2242139Y Air-flowing machine for separating powder material |
| 12/03/1996 | US5579920 Air cleaning machine and method |
| 11/28/1996 | DE19518919A1 Recovering materials esp. light fractions leaving shredders |