4. Brushing, scrubbing, and general cleaning
  5. Implements
  6. Pipe, tube, or conduit cleaner

Douglas D. Groen

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Apparatus for cleaning heating, ventilation, and air conditionin

Gas separation – Multiple bag type filters in chamber
Patent

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Portable modular vacuum system

Gas separation – Multiple separators – each with discrete and longitudinally... – Filters
Patent

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Rotary duct cleaning brush device

Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent

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Profile ID: LFUS-PAI-P-376384

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