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

Daniel C. Duggan

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Backflow preventer valve

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

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Backflow preventer valve

Fluid handling – Line condition change responsive valves – Direct response valves
Patent

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Cable restraint clip

Buckles – buttons – clasps – etc. – Cord and rope holders
Reexamination Certificate

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Hanger rod stiffening clip

Supports – Pipe or cable – Brackets
Reexamination Certificate

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Profile ID: LFUS-PAI-P-599749

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