Patents for B07B 1 - Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like (18,540)
10/1992
10/06/1992US5152402 Flexibly embedded disc screen
10/06/1992US5152400 Snap action particle separating apparatus
10/06/1992CA2065179A1 Procedure for screening and filtration of suspended solids with drum type or travelling band screens
10/01/1992DE4110267A1 Tensioned bolt arrangement for securing vibratory sieve - has spring tension applied through intermediate sleeve with end collar limiting travel if bolt fails
09/1992
09/30/1992CN2117215U Pressure curved screener box
09/30/1992CN1064823A Mobile plant
09/29/1992US5150796 Retractable, air pressure actuated hold-down clamp
09/23/1992CN2116536U Amplitude-changed oscillating screen
09/22/1992WO1992016311A1 A roller screen for screening bulk material, especially wood chips
09/17/1992WO1992015408A1 Specific microsieve, specific composite body
09/17/1992DE4107905A1 Cylindrical sieve mfg. - applies ribs to flat material with slits outside the ribs before bending into cylinder
09/16/1992CN2115839U Standard screen by patting
09/15/1992US5147543 Rotating element for a screening apparatus with a contour surface produced by a plurality of protrusions in the direction of the axial length of the cylindrical rotor
09/02/1992EP0501590A1 A bulk bin for agricultural products
09/01/1992US5144176 Three-mass electromagnetic vibrating system
09/01/1992US5143223 Reinforced screen rail
09/01/1992US5143222 Sieving apparatus
09/01/1992US5143220 Apparatus for screening to remove knots from a fluid borne slurry of fibers and knots
08/1992
08/27/1992DE4105984A1 Sieve for producing fine ceramic powder - has rotating scraper which forces powder through sieve
08/26/1992EP0499682A1 Bucket for earth-moving machine
08/26/1992CN1063899A Moving screen apparatus and method for separation of sugarcane pith from rind
08/19/1992EP0499154A1 Screen drum
08/19/1992CN2113112U Jinlun or dacron screen net for flour
08/19/1992CN2113111U High frequency high efficient double screen cscillating screen
08/19/1992CA2048551A1 Shovel for earthmoving equipment
08/18/1992US5139154 Wear screen plate and method of manufacture thereof
08/12/1992CN2112459U Improved filter for screening machine
08/12/1992CN2112458U Automatic hydraulic high speed vibration screen
08/11/1992US5137622 Filter screen assembly
08/11/1992US5137621 Integrated screening system for sizing wood chips
08/06/1992WO1992012808A1 Method and apparatus for grading fibrous material
08/06/1992WO1992012807A1 Device for causing an untuned structure to vibrate ultrasonically
08/06/1992WO1992009743A3 A screening system
08/05/1992EP0497497A2 Low-contaminate work surface for processing semiconductor grade silicon
08/05/1992CN2111797U Arc-type pressure curved sieve box
08/05/1992CN1063242A Suction vibrating type serial vibrating sieves
07/1992
07/29/1992EP0496063A2 Screen surface for screening machine
07/29/1992CN2111144U Self-cleaning net belt primary cleaning screen
07/28/1992US5133852 Coal sizing grid
07/28/1992US5133507 Procedure and apparatus for the sorting of wood chips
07/23/1992DE4101566A1 Suction device for purifiers - has grid bars beneath barbed roller ensuring break-up of compacted fibres
07/22/1992CN2110523U Miniature vibration sand screen
07/14/1992US5130158 Wheat flour and wheat flour composite for breadstuff
07/09/1992WO1992011408A1 Wood chip screen
07/09/1992DE4100080A1 Grinding and separating mechanism - has lever-mounted grinding wheels running against inside of rotary sieve drum
07/08/1992CN2109266U Vibrationless bolting mill
07/07/1992US5128028 Sieve for paper pulp strainer and classifier
07/07/1992CA1304718C Vibratory screening apparatus
07/02/1992DE4042029A1 Sorting appts. for granular produce - has two sorting tables one above the other with linear motors in compact arrangement maintaining mass balancing
06/1992
06/25/1992WO1992010312A1 Material sizing apparatus with rod-vibrating decks
06/25/1992DE4040428A1 Plan sifter drive with vertical drive shaft
06/24/1992EP0491331A2 Drive device for a flat sifter
06/24/1992CN2107957U Moving hydraulic high-speed jigging screen
06/23/1992US5123636 Low-contaminate work surface for processing semiconductor grade silicon
06/23/1992US5123542 Method and apparatus for cleaning, distributing and aerating grain
06/23/1992CA1303873C Vibrating mechanism
06/17/1992EP0490469A1 Method of reducing pore size of fine wire mesh screen
06/17/1992DE4040141A1 Mobile breaker plant - breaks large-sized material down into fine particles of varying granular sizes
06/17/1992DE4039934A1 Device for crushing adhered material - works at outlet of bunker or at conveyor belt transfer point
06/16/1992US5122262 Separator screen with intermittent vacuum
06/10/1992CN2106667U Numerically-controlled mud screen
06/10/1992CN2106666U Hepta-eccentric garbage screening machine with suspended feeding
06/10/1992CN2106665U Grain cleaner with umbrella-shaped screen
06/09/1992US5120433 Pipeline padding apparatus
06/09/1992CA1303101C Nozzle for screen apparatus
06/03/1992EP0488699A1 A rotary screen device
06/03/1992EP0488698A1 A screening system
06/03/1992CN2106008U High-efficiency wearproof screen surface of linear vibration screen
06/03/1992CN2106007U Roll sieve for removing impurity
06/03/1992CN2106006U Moving lift type multistage separating sieve for cereal
06/02/1992US5118353 Moving screen apparatus and method for separation of sugarcane pith from rind
06/02/1992US5117983 Separate wood chips
05/1992
05/30/1992WO1992009743A2 A screening system
05/30/1992WO1992009375A1 A rotary screen device
05/27/1992EP0487224A1 Screening apparatus for paper making stock
05/27/1992EP0486905A1 Sorter
05/26/1992USRE33935 Apparatus and method for feeding sintering raw mix
05/26/1992US5116553 Method of surfacing screen organization
05/26/1992CA1301701C Disc module spacer improvement
05/23/1992CA2056050A1 Sorter
05/20/1992EP0486209A1 Screening apparatus for paper making stock
05/20/1992EP0364541B1 Screen with overlapping screen cloth elements
05/20/1992CN2104844U Chainee screen deck conveyer apron
05/20/1992CN2104714U Improved screening funnel
05/20/1992CA2055025A1 Screening apparatus for paper making stock
05/13/1992EP0485153A1 Apparatus for screening to remove knots from a fluid borne slurry of fibres and knots
05/12/1992US5112475 Panel mounting system
05/12/1992US5112474 Screening apparatus with tiltable vibratory screen
05/07/1992DE4034738A1 Plant for prepn. sunflower seeds by peeling for subsequent oil extraction - effects peeling in two stages followed by electrical sepn. of peel
05/07/1992DE4034737A1 Sunflower seed peel separator - classifies granule size and separates peel using tilted sieving boxes and special electrical separator
05/06/1992CN2103382U Rubber self-lock screen face
05/06/1992CN2103381U Elastic resonant vibration screen
05/06/1992CN2103369U Combined flour sieve
05/05/1992US5109988 Machine and method for sorting out fines, pins, and over-thick wood chips
04/1992
04/30/1992WO1992006765A1 Process for separating the solid constituents of a suspension and device for carrying out said process
04/30/1992DE4131451A1 Large scale screening plant for material rubble - has rods set above bunker area and driven over by dump trucks
04/30/1992DE4106675C1 Mineral sorting tubular screen - incorporates rotating journal with play to facilitate tumbling motion
04/29/1992EP0482566A2 Screen for separating materials of different weights
04/28/1992US5108626 Process for recovering course particles from tailings
04/28/1992US5108589 Material separating apparatus