4. Fluid handling
  5. Back flow prevention by vacuum breaking
  6. Air vent in liquid flow line

Leonard G. Spelber

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Anti-siphon control valve

Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line
Patent

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Valve mechanism for a water operated waste disposal unit

Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
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Waste disposer coupling

Pipe joints or couplings – With assembly means or feature – Handle or handwheel for rotary engagement
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Water powered waste disposer with improved dynamic seal

Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
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Profile ID: LFUS-PAI-P-174341

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