4. Fluid handling
  5. Processes
  6. Cleaning, repairing, or assembling

Richard D. Fields

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Backflow preventor with adjustable cutflow direction

Fluid handling – Processes – Cleaning – repairing – or assembling
Patent

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Backflow preventor with adjustable outflow direction

Fluid handling – Processes – Cleaning – repairing – or assembling
Patent

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Backflow preventor with adjustable outflow direction

Fluid handling – Line condition change responsive valves – Direct response valves
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1234092

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