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Edge seals for liquid filters
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Butterfly conveyor clip for flat bed filter
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Dust collector for portable rotary disc grinder
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Device for regreasing bearings
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Butterfly conveyor clip for flat bed filter
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Diffusion system for sewage aeration tank - with tubes slotted at ends and surmounted by truncated octahedron
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Centrifugal pump with differential thermal expansion relief means
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Apparatus and system for removal of latex from waste water
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Sludge tank with self-cleaning screen and screen for use therein
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Rotary valved vacuum cleaning system outlet
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Vacuum cleaners
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Silent hose coupling
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Dust collector for grinding tool
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Filter
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Improvements in or relating to conveyor belts
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Anti-surge control for centrifugal compressors
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