Patents
Sitemap › B07 - Separating solids from solids; Sorting › B07B - Separating solids from solids by sieving, screening, or sifting or by using gas currents; Other separating by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material › B07B 1 - Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
Patents for B07B 1 - Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like (18,540)
09/1990
09/12/1990EP0386443A2 Method of and device for recycling refuse
09/12/1990CN2061871U Adjustable multi-purpose sifter for seed selection
09/11/1990US4956078 Feed prestratification attachment for high efficiency vibratory screening
09/11/1990US4955482 Screen cleaning in cil & cip systems
09/06/1990DE4003544A1 Materialtrennvorrichtung Material separator
09/05/1990EP0385241A1 Screening machine
09/05/1990EP0215095B1 Apparatus for breaking into parts of a certain size and screening a bulk material
09/05/1990CN2061487U Garbage bolting mill
09/04/1990US4953712 Grading rolls for agricultural, horticultural and other articles
08/1990
08/31/1990CA2009076A1 Drum screen
08/29/1990CN2061095U Shaking screen with inertia screen surface
08/29/1990CN2061088U Magnetic filtering sieve
08/29/1990CN2061087U 泥浆净化机 Mud cleaner
08/28/1990US4952309 Auger-type flour sifter
08/25/1990CA2010897A1 Screening machine
08/21/1990US4950402 Rotating element for a screening apparatus with a contour surface
08/21/1990CA1272985A1 Upwardly clearing spiral conveyor for vibrating screens operating on viscous material such as paint
08/16/1990EP0382676A1 Variable aperture-screen
08/16/1990EP0382326A1 Device for the treatment of scrap
08/16/1990DE4001268A1 Waste material separating screen drum
08/14/1990US4948498 Separating drum
08/14/1990CA1272695A1 Method and apparatus for breaking into parts of a certain size and screening a bulk material
08/09/1990WO1990008601A1 Process and installation for recovering valuable materials, in particular from waste materials on building sites
08/09/1990WO1990008597A1 Machine for processing goods, especially refuse, for sorting it
08/09/1990DE3903325A1 Verfahren zum rueckgewinnen von wertstoffen, insbesondere aus baustellenabfaellen und anlage zum durchfuehren des verfahrens A method for rueckgewinnen worth of materials, particularly of baustellenabfaellen and system for performing the method
08/08/1990EP0381171A2 Screen assembly for screening elastomeric material
08/06/1990CA2009000A1 Variable aperture screen
08/02/1990DE3902665A1 Process for upgrading inorganic nonmetallic fibres, in particular ceramic fibres, and also an apparatus for carrying out this process
07/1990
07/31/1990CA1272174A1 Dispersing process and stirred ball mill for carrying out this process
07/25/1990EP0379185A1 Drum screen for screening waste or the like
07/18/1990EP0295239B1 Disk screen improvement for chip screening efficiency
07/18/1990CN2059378U Pulsating pre-screening machine for bar materials
07/11/1990CN2059106U Equilateral polygon rotary sieve for separating solid from liquid
07/04/1990EP0375739A1 Water clarification system adapted for removing particulate matter of greater than a predetermined size.
07/04/1990CN2058866U Section screen grid
07/04/1990CN2058865U Welding frame structure
07/03/1990CA1271163A1 Rotary disc screen and method of operation
07/03/1990CA1271073A1 Screening device with device for reduction of reject
06/1990
06/28/1990WO1990006864A1 Rear dump truck and transportation method of granular cargo using the same
06/28/1990WO1990006804A1 Filtering apparatus
06/28/1990DE3934594A1 Distributor grid for vacuum press for moulding ceramics - consists of intersecting metal strips in circular frame
06/26/1990US4936362 Firewood clean out apparatus
06/21/1990DE3841230A1 Trocknungs- und sortiereinrichtung fuer koerniges schuettgut Drying and sorting device for grained bulk
06/20/1990CN2058352U Frequent oscillation type vibration exciting device
06/19/1990US4935124 Rotatable wood chip classifier
06/14/1990WO1990006400A1 Drying and sorting device for granular bulk materials
06/14/1990WO1990006381A1 Perforated metal product obtained by etching, process for forming starting material therefor and etching process
06/12/1990US4932112 Sieve plate and process for making it
06/12/1990CA2005309A1 Filtering apparatus
06/06/1990EP0174943B1 Screening apparatus
06/06/1990CN2057875U Harmonic bolting mill
06/06/1990CN2057874U Sand screen
06/06/1990CN2057873U Symmetrical placement rotary screen
05/1990
05/31/1990WO1990005594A1 Modular system
05/31/1990DE3934563A1 Vorrichtung zum aussondern masshaltiger bonbons Discard device for dimensionally accurate sweets
05/31/1990DE3839607A1 Method and device for dry-sieving
05/30/1990EP0370306A1 Belt conveyor device with a meshed conveyor belt
05/29/1990US4929346 Vibratory separtor screen assembly
05/29/1990US4928551 Vibrating mechanism
05/28/1990CA2003950A1 Metal screen material obtained by photoetching, process for forming starting material therefor and etching process
05/23/1990EP0369572A2 Sieving apparatus
05/23/1990DE3935176A1 Plansichter Plansifter
05/23/1990CN2057375U String type stretching device for screen mesh wire
05/23/1990CN2057374U Screen mesh support table of wind-powered powder lifter
05/22/1990US4927534 Screen system
05/22/1990US4927529 Method and apparatus for separating knots
05/22/1990US4927528 Sieve device for sieving out compost from rotten organic material
05/22/1990US4927030 Method and apparatus for debris screening and sorting of peanuts
05/10/1990DE3837686A1 Three-dimensional oscillation system
05/09/1990EP0367213A2 Screening machine for bulk material
05/09/1990EP0367207A1 Screening device
05/08/1990US4923600 Water clarification system adapted for removing particulate matter of greater than a predetermined size
05/08/1990US4923597 Portable screen with raising and levelling system
05/03/1990WO1990004675A1 Screen and method of manufacture
05/03/1990WO1990004467A1 Drilling mud separation system
05/03/1990WO1990004466A8 Screening device for particulate material
05/03/1990WO1990004466A1 Screening device for particulate material
05/02/1990CN1007789B Disc screen with decreasing dap wide and screening method
04/1990
04/25/1990EP0364541A1 Screen with overlapping screen cloth elements.
04/24/1990US4919797 Screening apparatus for paper making stock
04/24/1990US4919642 Rotary grain screener
04/24/1990US4919346 Rotary screen diverter and solid waste handling system using same
04/24/1990US4918807 Screen and method of manufacture
04/24/1990CA1268140A1 Berry screener-sorter
04/19/1990DE3934298A1 Shrimps sorting drum - made of plastic material with raised parts made of stainless steel
04/19/1990DE3928681A1 Storm sewage screen - with perforated alloy steel plate in zigzag folds or corrugations
04/18/1990EP0363725A2 Screen bottom
04/17/1990US4918017 Screen assembly for screening elastomeric material
04/17/1990CA1267886A1 Tumbling apparatus
04/12/1990DE3831845A1 Sortiereinrichtung fuer fasersuspensionen Sorter for fiber suspensions
04/11/1990CN1007494B Convey assembly
04/10/1990US4915826 Grain cleaner
04/05/1990WO1990003230A1 Solid waste retriever
04/05/1990WO1990003105A1 Accessory for a potato harvester
04/03/1990US4913803 Particle separation system
03/1990
03/29/1990DE3909427C1 Tentering device for screen fabrics
03/28/1990EP0359878A1 Filter screen assembly
03/28/1990CN2055067U Drum-type screens with double-deck screens
03/27/1990US4911834 Drilling mud separation system
03/27/1990US4911827 Grass seed cleaner
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