Patents for B07B 1 - Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like (18,540)
04/1981
04/15/1981EP0026961A2 Screen element and screen module comprising such element
04/14/1981US4261817 Sieving
04/08/1981EP0026661A2 Liquid treatment apparatus comprising rotatable drum with flexible edge seal
04/07/1981US4260481 Sifting device
03/1981
03/31/1981US4259136 Method of making a centrifuge screen
03/31/1981US4258779 Method and apparatus for conveying very fine solid material
03/24/1981US4257882 Method of pre-concentrating heterogeneous mineral mixtures
03/17/1981US4256572 Portable screening plant with outfeed conveyor
03/17/1981CA1097597A1 Centrifuge screen
03/10/1981US4255254 Delayed counterweight vibrator apparatus
03/10/1981US4254878 Screen for separating objects by shape
03/10/1981US4254874 Device for collecting and processing tree stumps
03/03/1981US4253946 Cleaning attachment for grain augers
03/03/1981US4253574 Apparatus and method for sorting pickles
02/1981
02/17/1981US4251355 Apparatus for separating snakeskins and fines from polymeric pellets
02/17/1981US4251354 Screening machine
02/17/1981US4251352 Inclined separation screen for agitation tank
02/10/1981US4250025 Sieving device for magnetically susceptible particles
02/10/1981US4250024 Glass bead separator
02/03/1981US4248701 Elastic polyethylene foam
01/1981
01/27/1981US4247392 Screen for vibrating centrifugal separation machines
01/27/1981US4247007 Strands and netting and screens made thereof
01/22/1981WO1981000066A1 Grading plant
01/22/1981WO1981000065A1 Sifter plate
12/1980
12/23/1980US4240902 Apparatus for removing foreign matter from cotton
12/23/1980US4240589 Rotary bark screen
12/23/1980CA1092061A1 Segmented screen body elements
12/16/1980US4239119 Disc separator
12/16/1980CA1091625A1 Clamping and tensioning means for loomed devices
12/10/1980EP0019953A1 Roller grate for conveying green pellets
12/09/1980CA1091178A1 Vibrating surface apparatus
12/02/1980US4237000 Shaker assembly for screening and scalping
11/1980
11/26/1980EP0019434A1 A screening apparatus
11/25/1980CA1090311A1 Method of pre-concentrating heterogenous mineral mixtures
11/25/1980CA1090297A1 Non chaffing vertical motion screen clearing striker
11/25/1980CA1090185A1 Equipment for removing the residual bark in decorticating facilities
11/18/1980US4234417 Fibrous stock screen
11/18/1980US4234413 Method and apparatus for self-cleaning drilling mud separation system
11/13/1980WO1980002392A1 Apparatus for separation of material of heterogeneous character
11/12/1980EP0018799A1 Rock screen assembly
11/11/1980US4233151 Shaker mechanism for a stack of sieve trays
11/04/1980US4232310 Protective window screen assembly
11/04/1980US4231861 Grain cleaning apparatus
11/04/1980CA1088875A1 Rotating rougher separator screen particularly suited for the primary screening of city solid wastes
10/1980
10/29/1980EP0018194A1 A disc separator
10/21/1980US4229301 Mechanically raked bar screen
09/1980
09/30/1980US4225422 Beneficiation of heavy minerals from bituminous sands residues by dry screening
09/23/1980US4224146 Sifting machines
09/23/1980CA1086237A1 Screen with cantilevered reenforcement for foil stress
09/18/1980WO1980001885A1 Process for sorting grain or seed material and sorting plant
09/17/1980EP0015736A2 Method of recovering coal by coal handling operations and system therefor
09/17/1980EP0015633A1 Method and apparatus for grading grains or seeds
09/17/1980EP0015350A1 Protective device for a pipe opening into a vessel
09/16/1980US4222866 Filter box
09/16/1980US4222865 Trommel screen unit
09/16/1980US4222864 Drum-type screening machine
09/09/1980US4221664 Direct coupled drive for a magnetic separator
09/03/1980EP0014780A1 Welded flexible screen
08/1980
08/26/1980US4219412 Screening machines
08/12/1980CA1083533A1 Raised wearing rod protected rubber screening plates
07/1980
07/22/1980US4213856 Method and apparatus for classifying solids and transporting solids-laden fluid
07/22/1980CA1081997A1 Vibratory material handling apparatus
07/15/1980CA1081658A1 Two-ply crowned-and-tensioned anti-clogging screen system
06/1980
06/24/1980US4209097 Screen
06/17/1980CA1079690A1 Semi-hydrofoil profile in a rotating screen clearer
06/17/1980CA1079687A1 Crankshaft vibrated multi planar imbricately shaped sifter-straitifier
06/03/1980CA1078789A1 Machine for salvaging waste concrete material
06/03/1980CA1078786A1 Capsule distributor and sorter with stagnation adjustors
06/03/1980CA1078784A1 Nested front feed static screen for aqueous suspensions
05/1980
05/27/1980US4204949 Device for wet classification of a mixture of solid components according to size
05/27/1980CA1078334A1 Screen body with wire supported complementary segments
05/13/1980US4202777 Flow distribution means for screening apparatus
05/13/1980US4202759 Centrifugal screening apparatus
04/1980
04/22/1980US4199442 Riddle with locked-in screen
04/22/1980US4199066 Equipment for removing the residual bark in decorticating facilities
04/22/1980CA1076067A1 Airfoil-shaped rotating stock screen cleaner with inner pumping rib
04/16/1980EP0009692A1 Sorting machine with sieve belts running over guiding rollers
04/15/1980CA1175634B Casting shake-out unit and method of operation
04/15/1980CA1075429A1 Casting shake-out unit and method of operation
04/08/1980US4197194 Loam screening apparatus
04/08/1980US4196637 Vibratory device with controlled actuation
04/02/1980EP0009040A1 Stationary enclosed cylindrical screen with rotating agitators
04/01/1980US4195933 Method of mixing mortar
04/01/1980CA1074758A1 Sewage treatment
03/1980
03/25/1980US4194970 Method for screening particulate materials
03/25/1980CA1074262A1 Continuously, tensionable passage zoned screen
03/25/1980CA1074260A1 Lever pivoted rollers forming an adjustable screen
03/19/1980EP0008621A1 Cylindrical screen with built-in shredder, especially for garbage
03/18/1980US4193865 Classifying apparatus for a suspension
03/18/1980US4193503 Slurry screen
02/1980
02/26/1980US4190527 Interlocking screen elements
02/26/1980US4190526 Portable screening plant
02/26/1980US4190525 Litter and refuse receptacle and separator
02/26/1980CA1072496A1 Screen assemblies
02/12/1980US4188288 Screen with tubular frame systems coupled for rectilinear motion
02/06/1980EP0007380A1 Industrial screen for preparation of loose material
02/05/1980US4187171 Sifting machine
01/1980
01/22/1980US4184944 Rotary screen appliance
01/15/1980CA1069763A1 Ballast cleaner
01/08/1980US4182260 Hand breader