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Electrical control circuit
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Construction of multiple tube cyclone dust collector
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Dust collector construction
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Multiple element cyclonic separator
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Rolling wear band for filter element
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Cleaning-air ring for cylindrical filter element
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Apparatus for heating finely divided solid material
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Apparatus for controlling the operation of electrical precipitators
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Control circuit for electro-magnetic rappers for precipitators
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Electric rapper for precipitators
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Apparatus for equalizing pressures in multiple cyclone dust collectors
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Treatment of sodium base sulfite residual liquor
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Reversing mechanism
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Meter protection and signal circuit for electric precipitators
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Multiple element cyclonic separator
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Discharge electrode construction
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High tension electrode for an electrical precipitator
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Means for stabilizing a moving body
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Anvil for attachment to electrode structures of electrical precipitators
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Electrode assembly for electrical precipitators
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