Patents for B07B 1 - Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like (18,540)
05/1988
05/10/1988US4743178 Non-linear electromagnetic vibration fluid compression device
05/10/1988US4742721 Vibrating device
05/05/1988WO1988003061A1 Vertical screening device
05/05/1988DE3637113A1 Apparatus for separating and/or sorting or screening materials and/or wastes
05/04/1988EP0265669A2 Sorting machine
05/04/1988EP0265620A2 Process for producing microprobe bodies for measuring pore sizes in ultra and microfilters, and probe bodies produced in this way
05/04/1988EP0265543A1 Device for separating injection-moulded parts and runners, or parts having different shapes and sizes
05/04/1988EP0265433A1 Vibrating screening device
05/03/1988US4741444 Disc module spacer improvement
04/1988
04/27/1988EP0265421A2 Bar screen
04/26/1988US4740303 Metal filter foil
04/21/1988DE3734360A1 Mobile device for sorting compost constituents
04/20/1988CN86106582A Mechanized rotary sieve
04/19/1988US4738774 Spout line buster
04/13/1988CN87212186U Disc screening machine
04/12/1988CA1235090A1 Vibrated screen assemblies with feed divider and a conical flow diverter
04/06/1988CN87203279U Haw sorter with rolling cage
04/06/1988CN87106650A Wet vibrating grader
04/05/1988US4735712 Vulcanized rubber molded to metal sheet, tensioning vibrating screen
03/1988
03/22/1988US4732670 For classifying particulate matter
03/16/1988EP0062675B2 Sieve Screen
03/16/1988CN87208850U Rolling coal-screening machine
03/15/1988CA1234086A1 Centrifuge screen basket
03/15/1988CA1234073A1 Transverse screen anchoring and adjustable deck- mating reinforcement in screen box modular systems
03/09/1988EP0258886A1 Combined device for feeding, conveying, separating and crushing stony material
03/09/1988EP0258327A1 Large surface-area sifter comprising two sifting boxes
03/09/1988CN87207361U Rocking screen for high-speed drying and screening material
03/09/1988CN87207348U Centre fixer for rocking screen surface
03/03/1988DE3629354A1 Screen for centrifuges which is produced by electroforming
03/02/1988EP0257434A2 Recovery of useful materials from refuse fuel ash
03/01/1988US4728837 Variable speed, variable motion, electrically operated vibrator for screening machinery
03/01/1988US4728422 For use in vibratory sifting machine
03/01/1988US4728043 Mechanical sorting system for crude silicon carbide
02/1988
02/25/1988DE3628418A1 Screen with exchangeable screen lining
02/10/1988EP0142553B1 Automatic particle-size analyzer
02/02/1988US4722446 Vibratory grain sorting machine
01/1988
01/28/1988WO1988000500A1 Improved screen construction
01/27/1988CN87209939U Two-axle vibration exciting suspension-type probability mesh screen
01/27/1988CN87209893U All-bound duplicated layer mesh net for drilling liquid vibrating mesh screen
01/25/1988EP0148840A4 Apparatus and method for injection molding polymeric articles.
01/20/1988EP0253006A1 Pressure separator
01/20/1988EP0252938A1 An arrangement for the separation of waste materials.
01/20/1988CN87206804U Scale graphite rehabilitating and screening machine
01/19/1988CA1231673A1 Method of removing slimes from slurries
01/14/1988DE3621902A1 Screening machine
01/13/1988CN87201891U Sieve check of aluminium-alloy
01/07/1988EP0251349A1 Sieve device comprising at least on rotating round perforated sieve surface on which at least one spiral has been mounted at the material supply side
01/07/1988DE3622731A1 Elderberry-separating screen
01/07/1988DE3621133A1 Magnet vibrator
01/06/1988CN87201386U Powder collection and classification compound round sifter for use in a complet set of powdering equipment
01/05/1988US4717027 Vibratory belt separator for blow-molded parts
12/1987
12/29/1987CA1230856A1 Multi-dimensional screen
12/26/1987CN87202628U Amplitude-changeable grading sieve
12/16/1987CN87102975A Disc screen improvement for chip screen efficiency
12/10/1987DE3716608A1 Sieve grate
12/09/1987CN86209337U Fluctuating sieving installation
12/09/1987CN86209095U Automatically discharging residue sieve shaker with adjustable frequency and amplitude
12/02/1987EP0247844A2 An apparatus and a method for separating one solid component from another solid component in suspension in liquid
12/01/1987US4710286 For applying a finish to products
12/01/1987US4710051 Device for fastening a closed casing
11/1987
11/25/1987EP0247025A2 Weight balancing for oscillating drives
11/25/1987EP0246629A1 Screening machine for fluid powdery material
11/25/1987CN87203255U Mud sieve made of stainless steel wire by full welding
11/07/1987CN86206933U Horizontal revolving screen
11/05/1987WO1987006505A1 Disk screen improvement for chip screening efficiency
11/04/1987EP0243500A1 Joint for assembling of sieve elements
11/04/1987EP0243420A1 Parallel-driven oscillating or vibrating supporting element fixedly supported by leaf springs
11/03/1987US4703860 Disk screen with decreasing size of slot openings, and method
10/1987
10/27/1987US4702826 Indexing drum type; positioning
10/27/1987CA1228574A1 Vibrating anti-blinding cleaning and grading machines
10/21/1987EP0241524A1 Screening decks
10/14/1987EP0168495B1 Sieve device
10/13/1987US4699713 Seed cleaner
10/13/1987US4699324 Combined screening and reject reduction
10/08/1987DE3708914A1 Installation having at least one beating mill
10/08/1987DE3644603C1 Processing and sorting plant for mixed container rubble
10/08/1987DE3611234C1 Screening machine for the passage of broken rock, scrap, building rubble or recycling material
10/06/1987US4698150 Beach trash machine
09/1987
09/29/1987US4696751 Vibratory screening apparatus and method for removing suspended solids from liquid
09/29/1987US4696738 Material separating surface
09/24/1987WO1987005542A1 Large surface-area sifter comprising two sifting boxes
09/23/1987EP0238455A2 Simple or multiple type vibrating screen
09/16/1987EP0236843A2 Sorting screen
09/16/1987EP0236530A1 Screen bottom
09/15/1987US4693879 Ultrasonic vibration sieving apparatus and process for purifying carbon black by using the apparatus
09/15/1987US4693379 Screening apparatus
09/11/1987WO1987005232A1 Production of improved catalyst-type particles using length and density grading
09/10/1987DE3607660A1 Perforated plate fastening to a support structure, in particular in the case of screening machines
09/10/1987DE3607189A1 Vibration-generating drive for a screening machine
09/10/1987DE3606854A1 Screen lining with two screen plates arranged one above the other
09/09/1987EP0235605A2 Screening apparatus for paper pulp
09/08/1987US4692240 Apparatus and a method for separating one solid component from another solid component in suspension in a liquid
09/08/1987US4691868 Parallel rotating rollers with teeth break clumps
09/03/1987DE3606358A1 Mega-machine for processing domestic refuse
08/1987
08/27/1987DE3627812C1 Device for separating and metering lightweight, elongated fibrous material
08/26/1987CN85108313A Screening method of probability of classification screen for the coal
08/25/1987US4689143 Fibers from fines in an air flow
08/25/1987CA1225968A1 Screening system
08/19/1987EP0233066A2 Sieving apparatus
08/18/1987US4687105 Arrangement in grading and cleaning machines with screens