LandOfFree - US Patents - Listing for Fluid handling

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Backflow preventer assembly

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Backflow preventer assembly

Fluid handling – Processes – Cleaning – repairing – or assembling

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Backflow preventer for sewer system

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Backflow preventer valve

Fluid handling – With repair – tapping – assembly – or disassembly means – Assembling – disassembling – or removing cartridge type valve

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Backflow preventer valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Backflow preventer valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Backflow preventer with failure indicator

Fluid handling – With indicator – register – recorder – alarm or inspection means – Fluid pressure responsive indicator – recorder or alarm

Patent

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Backflow preventer with failure indicator

Fluid handling – With indicator – register – recorder – alarm or inspection means – Fluid pressure responsive indicator – recorder or alarm

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Backflow preventing device

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Backflow preventing valve

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Backflow preventing valve construction

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

Patent

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Backflow preventing valve construction

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Backflow prevention and detection system

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0