4. Fluid handling
  5. Systems
  6. Head-establishing standpipe or expansion chamber

Howard Heil

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Hydrant with improved drain mechanism

Fluid handling – Hydrant type – Protection against freezing
Reexamination Certificate

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Method and apparatus for preventing ice formation in water...

Fluid handling – Systems – Head-establishing standpipe or expansion chamber
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2521349

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