4. Liquid purification or separation
  5. Flow, fluid pressure or material level, responsive
  6. Discharge of treated material

John W. Stockhowe

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Fluid filter assembly

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Fluid pressure responsive by-pass
Reexamination Certificate

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Non-metallic spin-on filter

Liquid purification or separation – Filter – Within flow line or flow line connected close casing
Patent

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Positive shut off fuel pump dispensing filter

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Discharge of treated material
Patent

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Stepped filter housing

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Design Patent

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Profile ID: LFUS-PAI-P-200965

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