| Patents for B03B 7 - Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage (2,362) |
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| 03/01/1983 | US4375264 Method and apparatus for segregating and separately recovering solids of different densities |
| 02/23/1983 | EP0072590A2 Vibrating dewatering screen for an apparatus for recovery of particulate matter from suspension |
| 02/16/1983 | EP0075563A4 Spiral separator. |
| 02/01/1983 | US4371435 With inverted v-shaped screen |
| 01/20/1983 | WO1983000103A1 Autogenous heavy medium process and apparatus for separating coal from refuse |
| 12/07/1982 | US4362558 Process of upgrading nickeliferous oxide ores of lateritic origin |
| 11/23/1982 | US4360424 For recovery of heavy metal such as gold |
| 10/14/1982 | WO1982003343A1 Spiral separator |
| 07/13/1982 | US4339043 Portable mining apparatus |
| 05/18/1982 | CA1123807A1 Process for preparation of raw material minimizing the size degradation of anathase ore |
| 04/27/1982 | US4327177 Method and means for controlling the sex of mammalian offspring and product therefor |
| 02/16/1982 | CA1118213A1 Process to obtain anatase mechanical concentrates |
| 12/01/1981 | CA1113431A1 Ore mill and metal separating device |
| 12/01/1981 | CA1113259A1 Method of beneficiating phosphate ores |
| 11/17/1981 | US4301001 Process for concentrating mica in a mixture of sand and mica |
| 09/22/1981 | US4290527 Sluice construction |
| 09/15/1981 | US4289241 Gold pan and classifier |
| 09/08/1981 | US4288316 Fecal examining device |
| 07/28/1981 | CA1105913A1 Installation for the recovery of materials that are present in the solid city wastes for their subsequent utilization and/or their transformation |
| 06/23/1981 | US4274949 Froth separation apparatus |
| 06/09/1981 | CA1102741A1 Coal slurry grain distribution adjustment prior to dehydration |
| 06/03/1981 | EP0029704A2 Separator |
| 05/19/1981 | US4267980 Separator |
| 04/07/1981 | CA1098866A2 Multi column sequential batch settling rate separator for hydraulically conveyable solids |
| 03/31/1981 | CA1098487A1 Multi separator, including cyclonic counterflow, system operating on iron ore |
| 03/24/1981 | US4257879 Process for dewatering coal slurries |
| 03/17/1981 | US4256266 Process to obtain anathase concentrates from an anathase ore |
| 03/03/1981 | US4253943 Continuous flow classification and specific gravity separation apparatus |
| 03/03/1981 | CA1096837A1 Process for upgrading oxidised nickeliferous ores of lateritic origin |
| 02/10/1981 | US4250032 Filtration, fluidizing with sea water, neutralizing soda |
| 02/10/1981 | US4250024 Glass bead separator |
| 02/10/1981 | US4250023 Method and system for slurrying fibrous organic materials and removing grit therefrom |
| 02/03/1981 | US4248698 Coal recovery process |
| 01/13/1981 | CA1093502A1 Material separator |
| 01/06/1981 | US4243520 Method for separation of large sized salt containing minerals |
| 01/06/1981 | US4243179 Process for preparation of raw material minimizing the size degradation of anatase ore |
| 12/16/1980 | CA1091622A1 Coal recovery system from mine tailings |
| 09/09/1980 | CA1085519A1 Process for the concentration of mineral by flotation process |
| 06/24/1980 | CA1080157A1 Process for separating mixtures of particles |
| 05/28/1980 | EP0011559A1 Process and apparatus for wet attrition |
| 04/29/1980 | US4200529 Suspension, centrifuging, ores |
| 04/22/1980 | US4199441 Placer mining sluice box apparatus and method |
| 04/15/1980 | US4198289 Froth flotation at boiling |
| 03/25/1980 | US4194969 Modifying formation of slimes by adding water soluble salts of aluminum. magnesium or zirconium |
| 03/25/1980 | CA1074263A1 Tri-channel placer mining sluice box separator |
| 02/19/1980 | US4189103 Method of beneficiating phosphate ores |
| 12/04/1979 | CA1067417A1 Screen with air cushion for stock suspensions |
| 11/06/1979 | CA1065799A1 Conical concentrator with partial flow combination |
| 09/25/1979 | CA1062918A1 Milling of graphitic or carbonaceous ores |
| 05/29/1979 | US4156643 Production of fluorspar having a reduced organic and calcium carbonate content |
| 05/15/1979 | US4154671 Method and apparatus for recycling undelivered cement |
| 05/01/1979 | US4152257 Granular or particulate ores |
| 01/23/1979 | CA1046989A1 Angularly adjustable bent screen classifying and dewatering device |
| 01/24/1978 | US4070274 Coarse concentrated iron ore for catalytic purposes |
| 01/10/1978 | US4067826 Recovery of mixed plastic materials |
| 10/25/1977 | US4055485 Method for improving clay brightness utilizing magnetic separation |
| 07/19/1977 | US4036441 Process for recovering usable materials from waste material containing metals and non-metals |
| 07/12/1977 | US4034861 Process and installation for recovering usable materials from waste material containing metals and non metals |
| 05/10/1977 | US4022866 Recovery of metals |
| 12/14/1976 | US3997359 Reclamation of components from grinding swarf |
| 11/23/1976 | US3992814 Method for sorting seeds |
| 03/23/1976 | US3945575 Recovery of salvageable components from waste materials |