LandOfFree - US Patents - Listing for Hydraulic and earth engineering,Drainage or irrigation,Having regulation of flow through channel

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Stormwater control system

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel

Patent

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Subsurface irrigation and drainage system

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel

Patent

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Subsurface irrigation system

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel

Patent

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System and method for cleaning a sewage field line from a septic

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel

Patent

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System and method for use of an extention basin as a storm...

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel

Reexamination Certificate

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Underground drainage facility and operation method therefor

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel

Patent

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Underground root margin even irrigation apparatus

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel

Reexamination Certificate

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Wastewater treatment system

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel

Patent

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Water distribution system

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel

Patent

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Water flow responsive barrier for gutters and storm drains...

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel

Reexamination Certificate

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