4. Pipes and tubular conduits
  5. Plural duct
  6. Longitudinally extending common wall

Douglas W. Eggins

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Compound hose system

Pipes and tubular conduits – Plural duct – Longitudinally extending common wall
Patent

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Liquid drainage system with pneumatic sensor

Pumps – Condition responsive control of pump drive motor – With condition responsive control of pump fluid valve
Patent

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Liquid supply system

Pumps – Motor driven – Fluid motor
Patent

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Non-freezing liquid supply system

Valves and valve actuation – Tube compressors – Fluid pressure actuated
Patent

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Profile ID: LFUS-PAI-P-109576

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