4. Machines not elsewhere specified
  5. Pump or compressor

Fred L. Laqua

Inventor

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Bypass valve for a displacement pump

Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve
Patent

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Gear-pump assembly for liquid products

Machines not elsewhere specified – Pump or compressor
Patent

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Piston hand pump for fuel, oil and chemicals

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Hand or foot operated pump or well curb
Patent

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Pump assembly for high-viscosity liquid products

Machines not elsewhere specified – Pump or compressor
Patent

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Profile ID: LFUS-PAI-P-711503

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