| Patents for B07B 4 - Separating solids from solids by subjecting their mixture to gas currents (2,793) |
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| 07/28/1981 | US4280901 Differing in weight |
| 07/21/1981 | US4279740 Light-material segregating method and apparatus |
| 07/14/1981 | US4278532 Air classification apparatus |
| 07/07/1981 | CA1104460A1 Fluid flow manifold |
| 04/14/1981 | US4261817 Sieving |
| 04/07/1981 | US4260478 Apparatus for classifying particles |
| 03/03/1981 | US4253942 Apparatus for the separation of mixtures of particulate solids of different density |
| 03/03/1981 | US4253940 Method and apparatus for separating waste materials |
| 03/03/1981 | CA1096813A1 Pneumatic sorting process and apparatus for heterogeneous mixes |
| 02/17/1981 | US4251355 Apparatus for separating snakeskins and fines from polymeric pellets |
| 02/04/1981 | EP0023320A1 Air classifier |
| 02/03/1981 | CA1094985A1 Automatic control apparatus for a grain separator |
| 01/28/1981 | EP0022945A1 Method and apparatus for separating heterogeneous material in a horizontal separating current |
| 01/28/1981 | EP0022929A1 Process for treating timber, including cleaning steps |
| 12/30/1980 | US4242197 Method of and apparatus for classifying refuse |
| 12/11/1980 | WO1980002672A1 Treatment of scrap |
| 11/11/1980 | CA1089396A1 Universally adjustable feed conveyor for rotary drum materials separator |
| 10/28/1980 | US4230559 Apparatus for pneumatically separating fractions of a particulate material |
| 10/07/1980 | US4226704 Collector discharge apparatus |
| 09/30/1980 | US4225089 Fluid flow manifold |
| 09/16/1980 | CA1085776A1 Yoke shaped separation chamber with feed and flow control means |
| 08/26/1980 | US4219410 Bar end separator |
| 08/19/1980 | CA1083999A1 Rotating cylinder entanglement type grain separator |
| 08/05/1980 | US4216080 Method and apparatus for separating sand from botanical fines |
| 07/22/1980 | US4213852 Method and apparatus for particle classification |
| 07/01/1980 | US4210527 Twin air classifier system |
| 06/17/1980 | US4208274 Rotary cylinder type grain separator |
| 06/10/1980 | US4207177 Material sorter |
| 06/03/1980 | CA1078790A1 Shaking table sorter |
| 05/28/1980 | EP0011592A1 Apparatus for processing refuse |
| 05/27/1980 | US4204906 Method of separating fusible plastics from solid waste |
| 03/25/1980 | US4194633 Adjustable conveyor |
| 03/04/1980 | US4191294 Empty capsule ejector |
| 02/26/1980 | CA1072495A1 Fluid suspension, stratification, shredded trash separator |
| 02/07/1980 | WO1980000132A1 Automatic control apparatus for grain sorting machine |
| 01/09/1980 | EP0006295A1 Air classification apparatus |
| 01/01/1980 | CA1069084A Inclined, fluid suspendingly swept rotating drum refuse separator |
| 12/11/1979 | US4178232 Apparatus for separating solid materials |
| 11/27/1979 | US4176055 Rotary air classifier |
| 11/06/1979 | CA1065925A1 Metering surge bin airlock |
| 08/28/1979 | US4166027 Apparatus and method for pneumatically separating fractions of a particulate material |
| 08/21/1979 | US4165278 Separator for shredded materials |
| 08/07/1979 | CA1059964A1 Installation for separating a heterogeneous product into two fractions |
| 08/07/1979 | CA1059951A1 Process and apparatus for separating solid granular metallurgical products and their precursors |
| 06/19/1979 | CA1056771A1 Combined gravity and cyclone separation system |
| 05/29/1979 | US4156642 Air cleaning in an enclosed path |
| 05/29/1979 | CA1055352A Process in the cleaning of seed, grain and similar goods, and a cleaning machine for carrying out the process |
| 05/22/1979 | US4155313 Utilization of solid material containing combustible matter |
| 05/01/1979 | CA1053530A1 Tobacco/paper sorter method and apparatus |
| 04/17/1979 | US4149967 Stones from grain |
| 04/10/1979 | US4148719 Method for separating urban waste materials |
| 04/04/1979 | EP0001314A1 Device for concentrating and sorting solid refuse according to shape, size and pliability |
| 01/30/1979 | US4137155 Method of and apparatus for pneumatically sorting heterogeneous mixtures |
| 01/30/1979 | CA1047354A1 Method and apparatus for separating lighter and heavier portions of threshed tobacco |
| 01/09/1979 | US4133749 Process of separating solid granular metallurgical products and their precursors and apparatus |
| 01/09/1979 | CA1046012A1 Waste separator device with air scrubber |
| 01/02/1979 | US4132634 Method of an apparatus for sifting particulate material in a cross-current |
| 01/02/1979 | CA1045584A1 Pneumatic classifier for refuse material with double vortex airflow |
| 10/24/1978 | US4122003 Pneumatic separators |
| 09/26/1978 | CA1039237A1 Two-stage wood-chip drum-screen with dust removal |
| 08/15/1978 | US4107034 Deparation of mixed splids |
| 07/11/1978 | US4100061 Separator |
| 05/16/1978 | US4089422 Air classifier |
| 05/09/1978 | USRE29625 By pulsed fluid flow |
| 01/24/1978 | US4070202 Method and apparatus for separating solid materials |
| 01/03/1978 | US4066535 Method and apparatus for the classification of fine material from a stream of material in a circulating air classifier |
| 11/22/1977 | US4059507 Classifying apparatus for particulate materials |
| 11/15/1977 | US4058455 Rotary separator |
| 11/01/1977 | US4056463 Tobacco/paper sorter method and apparatus |
| 08/30/1977 | US4045334 Adjacent vortices circulating in opposite directions |
| 08/23/1977 | US4043901 Wood chip screens |
| 08/23/1977 | US4043513 Process and apparatus for sorting refuse |
| 08/02/1977 | US4039434 Sugar cane harvester cane conveyor roller |
| 06/14/1977 | US4029572 Air drum with drying means |
| 04/19/1977 | US4018675 Waste sorting machine |
| 03/01/1977 | US4010097 Pneumatic classifier for refuse material with double vortex airflow |
| 03/01/1977 | US4010096 Pneumatic classifier for refuse material with adjustable air intake |
| 01/11/1977 | US4002559 Screw conveyor with dewatering means |
| 01/11/1977 | US4002462 Ore beneficiation method and apparatus |
| 08/03/1976 | US3972808 Pneumatic classifier with particle removal system |
| 07/20/1976 | US3970547 Air classification apparatus |
| 06/29/1976 | US3966593 Process and an apparatus for purifying a stream of mechanically comminuted material as well as for enriching fine ores and other minerals by mechanical sorting |
| 06/08/1976 | US3962072 Air separator apparatus |
| 06/01/1976 | US3960714 Centrifugal separator with rotary distributor |
| 05/18/1976 | US3957630 Adjustable materials feeding apparatus |
| 05/18/1976 | US3957629 Adjustable air classifier drum and conveyor |
| 04/20/1976 | US3952072 Stabilized polyphenylene ether type resin composition |
| 04/06/1976 | US3948764 Catalyst screening unit |
| 03/30/1976 | US3946875 Field operated cane cleaning apparatus |
| 03/23/1976 | US3945915 Method of and apparatus for assorting particles according to the physical characteristics thereof |
| 03/02/1976 | US3941687 Solids separation |
| 01/27/1976 | US3934372 Portable upblast cleaning head |
| 01/20/1976 | US3933626 Classifier for particulate material |