| Patent No. | Patent Title: |
| 4657667 | Particle classifier |
| 4604193 | Method and apparatus for sorting out a mixture of paper pulp and ... |
| 4597861 | Spiral separator |
| 4595494 | Apparatus for separating ferromagnetic particles from a slurry |
| 4595492 | Recovery of phosphorus from dilute waste streams |
| 4594149 | Apparatus and method employing magnetic fluids for separating par... |
| 4592833 | Portable sluice box |
| 4591432 | Sieving apparatus |
| 4588499 | Gravity flow amalgamator |
| 4585551 | Rotor for sorting apparatus for cleaning fibrous suspensions |
| 4585547 | Method and apparatus for cleaning coal |
| 4584094 | Method and apparatus for reclaiming coal |
| 4582597 | Vibratory screen separator |
| 4581132 | Sifter apparatus |
| 4581045 | Gas distributing device |
| 4576713 | Feed stream splitter for multiple deck screening machine |
| 4575420 | Beater-type power sieve with full spring mounting |
| 4575418 | Coal cleaning and the removal of ash from coal |
| 4574045 | Removal of undesirable substances from finely divided particles |
| 4574046 | Centrifugal jig for ore beneficiation |
| 4572787 | Arrangement for cyclone assemblies for cleaning liquid suspension... |
| 4572782 | Loading device for granular material |
| 4568453 | Apparatus and method for removing dust from particulate material |
| 4565326 | Method and apparatus for removing veneer from reworked medicine t... |
| 4564443 | Reverse centrifugal cleaning of paper making stock |
| 4563271 | Percussion jig |
| 4563270 | Self cleaning, perforated plate for oscillating sieve |
| 4561972 | Combine sieve plate |
| 4560471 | Powder classifier |
| 4559135 | Short, broad jigging machine, particularly for finest grain sizin... |
| 4557826 | Method of and apparatus for separating tacky contaminants from a ... |
| 4557387 | Magnetic drum for separating ferrous and non-ferrous beverage con... |
| 4557825 | Bag breaking and screening device, especially for blast cleaning ... |
| 4557828 | Method in the operation of magnetic separators |
| 4552653 | Rear dump truck with sieving device |
| 4552651 | Control of froth cell performance through the use of differential... |
| 4551240 | Apparatus for classifying particulate material with air currents |
| 4549960 | System for conditioning grain and maintaining same |
| 4546552 | Fluid induced transverse flow magnetically stabilized fluidized b... |
| 4545899 | Hydrocyclones |
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