4. Fluent material handling, with receiver or receiver coacting mea
  5. Automatic control of flow cutoff or diversion
  6. Level or overflow responsive

Robert P. Whitney

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Floor treatment machine

Brushing – scrubbing – and general cleaning – Machines – Wiping
Patent

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Storage tank flow control valve

Fluent material handling – with receiver or receiver coacting mea – Automatic control of flow cutoff or diversion – Level or overflow responsive
Patent

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Vacuum cleaner

Pumps – Successive stages – Stages driven by relatively movable motor working members
Patent

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Profile ID: LFUS-PAI-P-653472

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