4. Pumps
  5. One fluid pumped by contact or entrainment with another
  6. Jet

Edward Evenson

Inventor

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Air activated vacuum pump

Pumps – One fluid pumped by contact or entrainment with another – Jet
Patent

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Hand held air vacuum pump

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent

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Quick connecting cylinder air leakage tester

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Patent

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Profile ID: LFUS-PAI-P-1221539

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