| Patents for B07B 1 - Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like (18,540) |
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| 05/06/1997 | US5626234 Sifting screen |
| 05/06/1997 | CA2093987C Distribution device for abrasive material spreading vehicle |
| 05/06/1997 | CA2049887C Rotary screen diverter & solid waste handling system using same |
| 05/02/1997 | EP0770431A1 Screen bottom for circular screen |
| 05/02/1997 | EP0649369B1 Plant for the separation at high temperatures of contaminants of various types from plastic material in small pieces or leaves |
| 05/02/1997 | EP0512055B1 Soil separating apparatus and method |
| 04/30/1997 | DE19644677A1 Sorter for field produce, especially potatoes |
| 04/30/1997 | DE19539890C1 Sieve especially for garden, and household use |
| 04/29/1997 | US5624077 Concrete cyclone reclaimer |
| 04/29/1997 | US5624038 Curved free standing garden sieve |
| 04/29/1997 | CA2173704C Portable trommel |
| 04/29/1997 | CA2102615C Wood chip screen deck |
| 04/26/1997 | CA2178683A1 A cylindric screen basket and a method of making same |
| 04/24/1997 | WO1997014514A1 Method and apparatus for cleaning roots, tubers, bulbs and the like |
| 04/22/1997 | US5622625 Method of manufacturing a drum |
| 04/22/1997 | US5622266 Garden sieve for wheelbarrow |
| 04/22/1997 | US5622265 Abrasive grit material recovery system |
| 04/18/1997 | CA2160736A1 Mobile gravel screening apparatus |
| 04/16/1997 | EP0768123A1 Finger screen |
| 04/15/1997 | US5620145 High-speed pulverizing method and equipment |
| 04/15/1997 | US5620101 Trommel separator clutch mechanism and system |
| 04/15/1997 | CA2060074C Apparatus for treating fiber suspension |
| 04/10/1997 | WO1997012696A1 A blade guide for a blade screen |
| 04/10/1997 | DE19600897C1 Mobile preparation plant for wet classification of gravel and sand |
| 04/10/1997 | CA2233840A1 A blade guide for a blade screen |
| 04/09/1997 | EP0766607A1 Method and apparatus for classifying materials |
| 04/09/1997 | CN2251447Y Tooth-roller type separator for cottonseed shell and kernel |
| 04/09/1997 | CN2251446Y Airstream bolting mill |
| 04/08/1997 | US5618424 Rotary drum type device for separating solid particles from a liquid |
| 04/03/1997 | WO1997012093A1 Sorting device |
| 04/03/1997 | DE19617037C1 Frame-mounted screening machine having rotating roller chain grid with adjustable gaps |
| 04/03/1997 | DE19536319A1 Method of washing screened product |
| 04/02/1997 | CN2250821Y Device for preventing mesh for mine sieve from blocking |
| 04/02/1997 | CN2250820Y Probability bar screen |
| 04/02/1997 | CN2250819Y High-strength wear-resisting screen deck with composite structure |
| 04/01/1997 | US5615776 Mounting & tensioning arrangements for screens |
| 03/27/1997 | DE19535619A1 Sortiervorrichtung Sorter |
| 03/26/1997 | EP0764736A2 Foil for screening apparatus |
| 03/26/1997 | CN2250203Y Roller grading sieving machine |
| 03/25/1997 | US5614094 Vibrating screen unit |
| 03/25/1997 | US5613613 Side sealing arrangement for sieve devices |
| 03/20/1997 | WO1997010389A1 Filter |
| 03/20/1997 | DE19534629A1 Swing sieve for classifying particulates |
| 03/19/1997 | EP0681514B1 Screen, accessory for screen and screening process |
| 03/19/1997 | CN2249641Y Apparatus for binding metal net on plastic frame by melting process |
| 03/18/1997 | US5611434 Rotor for a screen grader |
| 03/13/1997 | WO1997009129A1 Disc screen rotor |
| 03/11/1997 | US5609173 Device for prewashing and sorting golf balls |
| 03/09/1997 | CA2184951A1 Wire screen deck having replaceable modular screen panels |
| 03/06/1997 | DE19532770A1 Continuously operating air sieve |
| 03/05/1997 | EP0760262A1 Device for separating solid materials |
| 03/05/1997 | EP0759813A1 Method and apparatus for the classification of solid particles |
| 02/27/1997 | WO1997006663A1 Shovel with perforated blade |
| 02/27/1997 | DE19627282A1 Device to dissolve biological wastes and fibrous wastes |
| 02/25/1997 | US5605233 Trommel cleaner |
| 02/19/1997 | CN1142991A Grain seed sorting device |
| 02/12/1997 | CN2247060Y Sieve made from musical instrument string |
| 02/11/1997 | US5601690 Introducing pulp slurry into zone between rotor impeller and screen, operating rotor so portion of slurry passes through screen, monitoring to determine specified parameter, adjusting clearance between rotor and screen in response |
| 02/06/1997 | WO1997003765A1 Screen for use in vibratory shaker device |
| 02/05/1997 | EP0655015B1 Machine and method for separating recyclable matter |
| 02/04/1997 | US5598931 Sifter frame for powder particle sifter |
| 02/04/1997 | US5598930 Shale shaker screen |
| 02/01/1997 | CA2181321A1 Screening arrangement |
| 01/29/1997 | EP0755725A1 Device for separating according to shape |
| 01/29/1997 | EP0755724A1 Screening device |
| 01/28/1997 | US5597076 To separate and remove contaminants from grain |
| 01/23/1997 | WO1997002097A1 Convertible kits for a material separating apparatus |
| 01/22/1997 | CN2245495Y Skid screen |
| 01/21/1997 | US5595306 Screening system |
| 01/15/1997 | CN1140106A Apparatus for length screening of elongated particles |
| 01/14/1997 | US5593042 To be used in a pneumatic material feed system |
| 01/07/1997 | US5590793 Roll screen with variable aperture |
| 01/07/1997 | US5590792 Screening machine |
| 01/07/1997 | US5590488 Sod handling |
| 01/02/1997 | DE19523705A1 Sifting device to separate sand or gravel into coarse and fine particles |
| 01/01/1997 | CN2243943Y Movable bottom shoulder pole sieve |
| 12/31/1996 | US5589589 Applying cellulose ether to sieve surfaces, agitation, flushing with air, discharging and recovering |
| 12/31/1996 | US5588912 Sieve for harvesting machines |
| 12/31/1996 | US5588536 For separating recoverable material from waste material |
| 12/25/1996 | CN2243338Y Combine for removing bran |
| 12/24/1996 | US5587077 Screen cylinder or plate having a grooved first face and a stepless second face |
| 12/24/1996 | US5587073 End supported double drum waste water screen |
| 12/24/1996 | US5586662 Basket for a paper-making screen and method for producing same |
| 12/24/1996 | US5586661 Dam member for a screen deck |
| 12/24/1996 | CA2102562C Rate control overflow system for disk screens |
| 12/19/1996 | DE19623358A1 Vibrating sieve, e.g. for garden use |
| 12/19/1996 | DE19518358C1 Filter for production process involving powdered material |
| 12/11/1996 | EP0747136A1 Drum screen |
| 12/11/1996 | CN1137424A Method and apparatus for removing impurities from pulverized or chipped material, especially wood chip and fiber materials |
| 12/10/1996 | US5582300 Screening machine |
| 12/10/1996 | US5581916 Excavating, sieving and grading device for working crawler |
| 12/05/1996 | WO1996038237A1 A device for separating material |
| 12/04/1996 | CN2241588Y Directional angle sieve plate |
| 12/04/1996 | CN2241587Y Adjustuble speed magnetic vibrating multi-stage delivery sieve |
| 12/04/1996 | CN1137245A Separation apparatus for separating and recovering valuables from defective goods such as paper diaper, and separation method |
| 12/03/1996 | US5580446 Screen, vortex apparatus for cleaning recycled pulp and related process |
| 11/27/1996 | EP0744223A1 Device for sorting solid objects |
| 11/27/1996 | CN2241022Y String screen with wire having ends moulded and middle part supported |
| 11/26/1996 | US5577618 Mobile aggregate material processing plant |
| 11/21/1996 | DE19517850A1 Sieve for pre-sorting coarse material |