4. Pumps
  5. Successive stages

T. W. Olds

Examiner

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In-tank type motor-driven pump

Pumps – Motor driven – Including means utilizing pump fluid for augmenting cooling,...
Patent

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Port arrangement for rotary positive displacement blower

Rotary expansible chamber devices – Methods
Patent

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Pressure-operated valve, particularly for a downhole pump

Pumps – Successive stages
Patent

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Tiltable tricycle

Motor vehicles – Special wheel base – Having only three wheels
Patent

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Water supply system, energy conversion system and their combinat

Pumps – One fluid pumped by contact or entrainment with another – Liquid pumped by supplying or exhausting gaseous motive...
Patent

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Profile ID: LFUS-PAI-P-935245

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