Patents
Patents for B07B 9 - Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets (3,146)
07/1992
07/01/1992EP0492043A2 Method for recycling treatment of refuse of plastic molded articles and apparatus therefor
07/01/1992CN1062309A Vertical conic wheat-brushing machine
06/1992
06/17/1992CN2107323U Multifunctional impurity removing machine for grain
06/16/1992US5122262 Separator screen with intermittent vacuum
06/11/1992WO1992009376A1 Double separator for sorting particulate material
06/11/1992DE4039079A1 Limestone reduction - using hammer mill and rotary crusher before material is finely ground for cement
06/10/1992CN1061733A Double separator for sorting particulate material
06/02/1992US5118353 Moving screen apparatus and method for separation of sugarcane pith from rind
05/1992
05/26/1992US5116486 Apparatus and method for separating recyclable waste
05/26/1992US5115985 Impact ansd shearing stress to separate surface layers, grinding and dust removal
05/24/1992CA2056070A1 Process for separating bentonite and carbon carrier particles from the dust obtained mechanically during used sand reclamation \
05/20/1992CN2104715U Movable combined grading descaling machine
05/12/1992US5111998 Pulverization to powder, classification
05/07/1992DE4034739A1 Oil seed peeler plant - works in two stages to remove peel followed by multi-staged electrical sepn.
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
05/06/1992EP0483933A2 Process and apparatus for refining bulk material
05/03/1992CA2053184A1 Process and device for cleaning of bulk goods
04/1992
04/16/1992WO1992006250A1 Improvements in or related to cleaning aggregate materials
04/16/1992DE4032367A1 Recycling of shot-blasting material - enables steel balls to be re-used and so reduce cost of operation
04/15/1992CN1060236A Method to sort asbestos with fluidized bed
04/14/1992US5103981 Particle separator/classification mechanism
03/1992
03/24/1992US5098557 Granular material cleaning apparatus and method
03/18/1992EP0474693A1 Apparatus and method for processing inhomogeneous material such as tobacco
03/11/1992CN1059300A 垃圾分选机 Garbage sorter
02/1992
02/26/1992EP0472242A1 Method for separating waste
02/26/1992CN1058924A Flour making process and apparatus using wind transportation method
02/25/1992US5091077 Trommel material air classifier
01/1992
01/29/1992CN2094400U Rice fine selector
01/14/1992US5080807 Filtration, suspension
01/07/1992US5078274 Method and apparatus for wood chip sizing
12/1991
12/31/1991US5076921 Filtering screens
12/24/1991US5074992 Woodwaste processing system with contaminate separation
12/18/1991CN2090737U High-efficient energy-saving winnowing machine
12/18/1991CN1057115A Method and apparatus for producing toner for developing electrostatic image
12/10/1991US5071541 Method and apparatus for sorting a mixture of particles
11/1991
11/28/1991DE4017069A1 Removing dust from building rubble - involves suction pipe to remove dust and light material
11/27/1991EP0357762B1 Process and device for guiding and separating grains
11/27/1991CN1014870B Simple-and double-platen stone separator
11/27/1991CN1014869B Gravity classifier
11/26/1991US5067659 Method of treating refuse scrap
11/21/1991EP0456913A1 Suction-sifter
11/16/1991WO1991017835A1 System for separation of materials using suction air power
11/14/1991WO1991017318A1 Mobile equipment for cleaning sand areas
11/13/1991EP0455697A1 Machine for processing goods, especially refuse, for sorting it.
10/1991
10/29/1991CA1291357C Method and device for dry forming webs
10/23/1991CN2087103U Machine for removing impurity in peanut
10/16/1991EP0451290A1 Vibration grinding classifier
10/09/1991CN2086174U Semi closed, hot wind, vibration, static electricity, self-flow concentrating machine
10/02/1991EP0449323A1 Process for producing toner for developing electrostatic image and apparatus system therefor
10/02/1991DE4009981A1 Ascertaining amt. of useful product in mixt. - removing unwanted components by washing and measuring mass by measuring vol
10/02/1991CN1014121B Wind conveyer
09/1991
09/26/1991DE4009554A1 Glass separator for refuse dumps - has movable sieve with spaced round bars and air stream underneath
09/12/1991DE4007409A1 Screening device to remove foreign bodies from sand and soil - has quick change device with elevator and sifting drums set on wheel loader
09/05/1991WO1991012892A1 Vertical impact mill with coupled material screening
09/05/1991WO1991012735A1 Apparatus for sieving particulate material
09/03/1991WO1991012902A1 Integrated screening system for sizing wood chips
09/03/1991US5045182 Apparatus and method for removing debris from granular material
08/1991
08/21/1991EP0442222A1 Method and apparatus for wood chip sizing
08/14/1991EP0440993A1 A method and a device for separating from residual materials products, which can be recovered for a further treatment
08/07/1991EP0439701A1 Multi-stage method of separation for sorting and processing inhomogeneous rubble and plant for carrying out the method
08/07/1991CN1053565A Size grading method and apparatus for micropowders via sharply-turned efflux
07/1991
07/30/1991US5035089 Blast media recovery and cleaning system
07/24/1991CN1053198A Pneumatic lift
07/23/1991US5034196 Particle fractionator employing multiple fluidized bed modules
07/17/1991EP0293426B1 Installation and process for the dry-grinding of granular foodstuffs and feedstuffs
07/17/1991EP0287566B1 Device for dry forming webs
07/16/1991US5031845 Method and device for the grinding and separating of grain
06/1991
06/25/1991US5025929 Air classifier for light reusable materials separation from a stream of non-shredded solid waste
06/12/1991CN1052061A Oscillating fluidized powder classifier
05/1991
05/29/1991CN2077760U Chaff suction type rice refining machine
05/28/1991US5019242 Particulate material cleaning apparatus
05/22/1991EP0428183A2 Apparatus for milling and separating kernels
05/21/1991US5016823 Air current classifier, process for preparing toner, and apparatus for preparing toner
05/16/1991WO1991006370A1 Vibration grinding classifier
05/15/1991EP0427679A2 Device for fractionating granular goods
05/15/1991CN1051316A Sorting method of rice husk from spent grain fodder
05/02/1991EP0425396A1 Method and device for treating waste in order to recover organic material
04/1991
04/28/1991CA2028308A1 Waste processing for organic matter recovery and apparatus for same
04/03/1991EP0420104A2 Device for separating/decanting powderlike and low-weight particles in air flows
03/1991
03/19/1991US5000390 Screening wood chips and reducing their thickness
03/14/1991DE3930575A1 Sorting device with vertical rotor axis - has wheel with conveyor elements rotatable near screen plate
03/12/1991US4998625 Riprap separation apparatus and method
02/1991
02/28/1991DE3928020A1 Energy saving mfr. of fine particle cement quicklime - pre-granulation produces 20-40 per cent of final product size which is combined with recirculating stream of milled powder
02/12/1991US4991721 Automation of an air-screen seed cleaner
02/07/1991CA2002696A1 Air classifier for light reusable materials separation from a stream of non-shredded solid waste
01/1991
01/30/1991CN2070206U Power saving rice bran separater
01/24/1991WO1991000697A1 Pneumatic small lamina bypass
01/01/1991US4981581 Dust collection hood for sand reclaimer, cooling, and blending rotary drum
12/1990
12/25/1990US4979682 Reclaiming synthetic
12/12/1990CN2067191U Classifier for winnowing
11/1990
11/27/1990WO1990014020A1 Apparatus and method for processing inhomogeneous material such as tobacco
11/27/1990CA2058290A1 Apparatus and method for processing inhomogeneous material such as tobacco
11/21/1990CN2065955U Multi-functional soybean cleaner
11/20/1990US4971684 Compact machine and process for preparation prior to dry-grinding of grain type foodstuffs and feedstuffs
11/20/1990US4970971 System of and apparatus for sanitizing waste material
11/20/1990CA1276509C Particle displacement
10/1990
10/31/1990EP0394344A1 Method and apparatus for grading and/or sorting seed or grain
10/31/1990EP0231327B1 Apparatus for sizing grains between 20 and 300 microns
10/24/1990CN2064272U Stone removing machine by use of principle of gravity separation
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