LandOfFree - US Patents - Listing for Hydraulic and earth engineering,Drainage or irrigation,Porous waterway, e.g., sand drain, etc.

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Auxiliary drainage system for eliminating water problems associa

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Catchwater drain, excavating structure and method of constructio

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Cooling water intake system

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Device for draining soils in depth

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Device for inserting a drainage wick into the ground

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Device for regulating the flow in a drainage siphon tube

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Drain board installing device without anchor plate

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Drainage element

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Drainage element

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Drainage member with expansion zones

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Drainage support matrix

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Drainage wick inserting device

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Draining wall, method for producing same and element implemented

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Draining, irrigating and dispersing mass

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Draining, irrigating and dispersing mass

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Environmental cut-off and drain

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Fluid directing systems

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

Geoinclusion method and composite

Hydraulic and earth engineering – Drainage or irrigation – Porous waterway – e.g. – sand drain – etc.

High-flow void-maintaining membrane laminates, grids and...