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

William R. Watson

Inventor

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Composite pipe

Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate

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Constant temperature cold-end corrosion probe

Heat exchange – Intermediate fluent heat exchange material receiving and... – Liquid fluent heat exchange material
Patent

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Electric fish hook sharpener

Tools and hardware – Other tools and implements – With relative movement of parts while performing function
Patent

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Lubricating system for plow blades

Earth working – Tool – standard or connection – Share and furrow slice inverting moldboard
Patent

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Lubricating system for plow blades

Earth working – Mounting for pushed tool at end of motor vehicle – Transversely mounted blade
Patent

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Profile ID: LFUS-PAI-P-200966

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