| Patent No. | Patent Title: |
| 4361239 | Size grader for pod vegetables |
| 4351483 | Separation of arsenic from fluorite ore, by means of magnetic sep... |
| 4344844 | Inclined static deoiler and conditioner for treating ore |
| 4341626 | Process for the flotation of sulfide minerals employing alkylaryl... |
| 4341352 | Method of coal washing at low speed pumping |
| 4340467 | Flotation of coal with latex emulsions of hydrocarbon animal or ... |
| 4340143 | Hydraulic bean cleaning process and apparatus |
| 4340142 | Tobacco recovery from stemmery discards |
| 4340469 | Vibratory screen apparatus |
| 4339043 | Portable mining apparatus |
| 4339331 | Crosslinked starches as depressants in mineral ore flotation |
| 4338188 | Coal cleaning process |
| 4337149 | Promoters for use in the anionic circuit of froth flotation of mi... |
| 4336131 | Gasification furnace with discharge hopper |
| 4334985 | Selective rheological separation of clays |
| 4330400 | Apparatus for separating dust, dirt and the like from particulate... |
| 4330398 | Flotation of phosphate ores with anionic agents |
| 4329223 | Flotation of molybdenite |
| 4328094 | Apparatus and process for the beneficiation, washing, elutriation... |
| 4328253 | Method of applying flavorings and edible fats on to deep-frozen f... |
| 4328096 | Dual flow screening apparatus |
| 4326951 | Electrostatic mineral concentrator |
| 4325821 | Amine oxide promoters for froth flotation of mineral ores |
| 4325822 | Pet litter separator |
| 4325820 | High tension electrostatic separators |
| 4324654 | Recovery of copper from copper oxide minerals |
| 4324653 | Process for the treatment of phosphate ores with silico-carbonate... |
| 4324810 | Hop extracts and method of preparation |
| 4322288 | Apparatus for sizing particulate material |
| 4321134 | Method of and sorting assembly for dry sorting granular mixtures ... |
| 4319987 | Branched alkyl ether amines as iron ore flotation aids |
| 4317715 | Process for the selective froth-flotation of phosphate and carbon... |
| 4317716 | Vortex finder and sleeve kit |
| 4317543 | Process for separating copper and iron minerals from molybdenite |
| 4317714 | Method and apparatus for dividing a mixture of pieces or fragment... |
| 4316797 | Flotation agent and process |
| 4316542 | Electromagnetic separator |
| 4316917 | Stable carotenoid solutions |
| 4315816 | High intensity magnetic field drum separator |
| 4315817 | Vibrating surface apparatus |
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