| Patent No. | Patent Title: |
| 4362619 | Continuous centrifugal machine |
| 4343707 | Method and apparatus for separating out solids suspended in flowi... |
| 4338337 | Method for recovering and recycling animal waste materials |
| 4337790 | Filtering device |
| 4337136 | Device for purifying water |
| 4336138 | Permeation separation apparatus |
| 4333829 | Aquaria inlet means |
| 4332682 | System for collecting products dumped on the surface of a mass of... |
| 4331189 | Stock/sauce skimmer |
| 4330402 | Water sampling and disposal apparatus for an offshore operating s... |
| 4330412 | Hydrotherapy device, method and apparatus |
| 4325826 | Oil sweeper method and apparatus |
| 4324659 | Lime sludge press unit |
| 4323456 | Corner sweep mechanism for square settling tank |
| 4322294 | Apparatus for removing oil and debris from water |
| 4320008 | Apparatus for separating and conveying of animal house waste mate... |
| 4320007 | Pusher-type centrifuge filters |
| 4318814 | Continuous centrifugal machine |
| 4317724 | Feeding device for use in filter presses |
| 4317727 | Fluid filter cartridge and method of its construction |
| 4315818 | Anti-pollution equipment |
| 4312752 | Aquarium filter apparatus |
| 4311592 | Filter screen for whirlpool apparatus |
| 4311588 | Filter for use with an aquarium |
| 4310415 | Anti-pollution equipment |
| 4310417 | Air inlet material separator for chip centrifuge |
| 4306974 | Vibratory screening apparatus for screening liquids |
| 4305830 | Water surface cleaner, method and apparatus |
| 4305825 | Reaction member for a fluid separating device |
| 4305819 | Floating apparatus for clarification of water |
| 4304667 | Filter for purifying a fluid containing ferromagnetic particles |
| 4304668 | Floating apparatus for recovery of floating oil |
| 4303520 | Surface extraction apparatus |
| 4303192 | Full jacket-worm centrifuge |
| 4302339 | Beach cleaning method |
| 4302331 | Filter bucket for a flight conveyor |
| 4302333 | Backpressure grid plate for pressure filtration system |
| 4299701 | Magnetic fluid treating apparatus |
| 4299704 | Method for removing polychlorinated biphenyls from contaminated ... |
| 4299703 | Separator for separating a mixture of two liquids |
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