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