| Patents for B07B 1 - Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like (18,540) |
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| 02/21/1989 | US4806235 Apparatus for cleaning grain products |
| 02/21/1989 | US4805703 Method and apparatus for separating fine and coarse materials from excavated materials |
| 02/15/1989 | CN2032509U Cleaning device for drum screening machine |
| 02/15/1989 | CN2032508U Eccentric vibrating mechanism with stepless adjustable device |
| 02/15/1989 | CN2032507U Dual-purpose electromagnetic machine for vibrating of building bolting mill and plate |
| 02/09/1989 | WO1989000893A1 Split flow ''v'' screen |
| 02/07/1989 | US4802591 Louvered chip screener |
| 02/02/1989 | DE3724246A1 Wear-resistant screen |
| 02/01/1989 | EP0301798A1 Screening apparatus with tiltable vibratory screen |
| 01/25/1989 | CN2031316U Self-grinding separator |
| 01/19/1989 | DE3722930A1 Drum screen |
| 01/19/1989 | DE3720989A1 Vibration device |
| 01/18/1989 | EP0214145B1 Dispersion process, and stirring machine for its implementation |
| 01/18/1989 | CN2030912U Rotary crashing coal screen |
| 01/12/1989 | DE3821453A1 Screening apparatus for separating off cellulose fibres from a suspension liquid stream and for introducing the particles into another liquid stream under superatmospheric pressure |
| 01/12/1989 | DE3721436A1 Method for the production of a composite screen plate and a composite screen plate |
| 01/11/1989 | CN2030703U Combined dry bolting mill with rotating-vibrating disk |
| 01/11/1989 | CN2030511U 格栅筛 Grille screen |
| 01/10/1989 | US4797204 Automatic particle-size analyzer with divided drum |
| 01/05/1989 | DE3732031A1 Modular screen plate with a multiplicity of exchangeable screen elements |
| 01/04/1989 | CN2030113U Rolling-shaft screen |
| 01/03/1989 | US4795552 Natural frequency vibrating screen |
| 01/03/1989 | US4795036 Rotary disc screen conveyor apparatus |
| 12/29/1988 | DE3720490A1 Screen device |
| 12/28/1988 | EP0296931A1 Soil separation for delicate products, such as roof crops, beets and bulbs |
| 12/28/1988 | EP0296585A2 Method for separating crusts and substrates |
| 12/28/1988 | EP0296273A2 Method of making a screen element and screen element made by said method |
| 12/28/1988 | CN88211489U Screen cloth for screening moist fine granule level raw coal |
| 12/28/1988 | CN88206923U High square flat screen top-grid |
| 12/21/1988 | EP0295239A1 Disk screen improvement for chip screening efficiency. |
| 12/14/1988 | CN88201150U Arc surface vibrating screen |
| 12/07/1988 | EP0293426A1 Installation and process for the dry-grinding of granular foodstuffs and feedstuffs. |
| 12/06/1988 | CA1246012A1 Vertically spaced eccentric weight agitators in a multi-deck classifier |
| 11/29/1988 | US4787519 Shuffle feed sorting apparatus |
| 11/29/1988 | US4787461 Shaker assembly |
| 11/23/1988 | EP0291675A2 Method of manufacturing a screen mat as a lining for a modular screen element, and screen lining for a modular screen element |
| 11/23/1988 | CN88102446A Multipurpose cylinder screening machine |
| 11/16/1988 | CN87205472U Screen mesh for vibrating screen |
| 11/16/1988 | CN87100237A Screw grading oscillating screen |
| 11/15/1988 | US4784761 Drum screen |
| 11/15/1988 | US4784334 Method and apparatus for breaking into parts of a certain size and screening a bulk material |
| 11/10/1988 | DE3712373A1 Ground-cleaning apparatus |
| 11/01/1988 | CA1243901A1 Apparatus for separating fluidizing medium and incombustible residue |
| 10/27/1988 | DE3811641A1 Screen mat consisting of fabric |
| 10/26/1988 | CN87103206A Large plane sizer with two sieve box |
| 10/25/1988 | US4779741 Sorting device |
| 10/19/1988 | CN87213221U Double vibration excited screen oscillating in an orbit of heart shape |
| 10/18/1988 | US4778116 Municipal waste processing apparatus |
| 10/12/1988 | EP0286535A1 Screens for paperstock cleaners |
| 10/12/1988 | EP0286381A2 Apparatus and method for feeding sintering raw mix |
| 10/12/1988 | CN87102571A Bore screen |
| 10/11/1988 | US4776957 Rotating element for a screening apparatus with a contour surface |
| 10/11/1988 | US4776951 Screening apparatus for fiber suspensions |
| 10/05/1988 | EP0284643A1 Rotary grid-structure bucket for separating from each other fine and coarse particles of sizable materials or products |
| 09/28/1988 | EP0284296A2 Flexible connector for screening machine |
| 09/28/1988 | EP0283769A2 Sieve |
| 09/28/1988 | CN87204793U Graduating plate of circular revolution of plane grain and brown rice-separating gridiron |
| 09/27/1988 | US4774440 Variable speed, variable motion, electrically operated vibrator for screening machinery |
| 09/21/1988 | CN87216878U Vibrating screen |
| 09/21/1988 | CN87215325U Slush purifier |
| 09/14/1988 | EP0282120A1 Rod for a belt conveyor provided with steel bars covered with a more or less flexible material |
| 09/08/1988 | DE3706352A1 Process and apparatus for sieving marmalade |
| 09/01/1988 | DE3805127A1 Screening machine sealing |
| 08/30/1988 | US4766661 Apparatus for applying a fabric material to a frame |
| 08/30/1988 | CA1241298A1 Disk screen shaft assemblies and method of and means for manufacturing the same |
| 08/17/1988 | EP0278124A1 A rotating sieving apparatus with a number of sieving surfaces each of which is subdivided into a number of concentric rings with reversible and continuously regulatable angular-velocities |
| 08/16/1988 | US4764695 Vibrator |
| 08/16/1988 | US4764277 Pulp slurry separator with parallel slots; scraper blade to prevent clogging |
| 08/16/1988 | US4763794 Produce sorting apparatus |
| 08/10/1988 | EP0277936A2 Lateral tightening device for screens |
| 08/10/1988 | EP0277614A2 Method of manufacturing wear-resisting screens having a plurality of openings |
| 08/09/1988 | US4762610 Molded synthetic plastic panel for high liquid flow; efficient ore washing |
| 08/03/1988 | CN87214706U Vibrating and revolving sieve for slurry filtration |
| 08/02/1988 | US4760925 Refuse sorting apparatus |
| 07/27/1988 | CN87213740U Electromagnetic high frequency shaking fine screen |
| 07/20/1988 | EP0274479A1 Process for the separation and isolation of shaped catalyst-type particles by length. |
| 07/19/1988 | US4758333 Sieve |
| 07/19/1988 | US4757664 Wear resistant panel arrangement |
| 07/13/1988 | EP0274456A2 Disc module spacer improvement |
| 07/13/1988 | CN87213581U Suspended head of table concentrator driven by synchronous toothed belts |
| 07/07/1988 | DE3643237A1 Method and device for reheating cleaned flue gases |
| 07/05/1988 | US4755287 Five stage internal cell separator |
| 07/05/1988 | US4755286 Split flow `V` screen |
| 06/29/1988 | EP0272624A2 Screening device for separating compost from rotten organic material |
| 06/23/1988 | DE3741418A1 Device for sorting out shrimps of a predetermined size from a catch of animals which live in the water |
| 06/23/1988 | DE3740278A1 Screening machine |
| 06/22/1988 | CN87101243A Apparatus and method for cleaning particle food and fodder in dry way |
| 06/21/1988 | US4752512 Process for the manufacture of screen components of various lengths for system screening decks and screen component |
| 06/16/1988 | WO1988004204A1 Installation and process for the dry-grinding of granular foodstuffs and feedstuffs |
| 06/16/1988 | DE3738082A1 Vibrating grid |
| 06/14/1988 | US4750997 Grain cleaner and spreader |
| 06/09/1988 | DE3640569A1 Sieve cleaner |
| 06/07/1988 | US4749891 Non-linear electromagnetic vibration device |
| 06/07/1988 | CA1237696A1 Vibratory screen separator |
| 06/01/1988 | DE3639044C1 Use of a fluidised bed slurry sorter as a sorting apparatus in the processing of flotation tailings |
| 05/25/1988 | CN86107759A Ductile mineral separator |
| 05/24/1988 | CA1237090A1 Loading device for granular material |
| 05/19/1988 | WO1988003444A1 Apparatus for grading fibrous material |
| 05/17/1988 | US4744898 Inflatable screen clamp |
| 05/17/1988 | US4744894 Fibrous stock screening apparatus |