4. Pumps
  5. One fluid pumped by contact or entrainment with another
  6. Liquid pumped by supplying or exhausting gaseous motive...

Robert R. Fiedler

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Gas-operated positive displacement pump

Pumps – Motor driven – Fluid motor
Patent

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Liquid level monitor

Measuring and testing – Liquid level or depth gauge – Hydrostatic pressure type
Patent

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Method and apparatus for water sampling utilizing solid phase ex

Measuring and testing – Sampler – sample handling – etc. – With constituent separation
Patent

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Pumping system

Measuring and testing – Sampler – sample handling – etc. – Automatic control
Patent

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Sample collector and components thereof

Refrigeration – Structural installation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-11988

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