LandOfFree - US Patents - Listing for Hydraulic and earth engineering

Hydraulic and earth engineering – Marine structure or fabrication thereof – Floatable to site and supported by marine floor

Water area structure using placing member for underwater ground

Hydraulic and earth engineering – Drainage or irrigation

Water backup preventing system and monitoring system therefor

Hydraulic and earth engineering – Drainage or irrigation – Control means responsive to sensed condition

Water backup preventing system and monitoring system therefor

Hydraulic and earth engineering – Drainage or irrigation – Control means responsive to sensed condition

Water backup preventing system and monitoring system therefor

Hydraulic and earth engineering – Fluid control – treatment – or containment – Floatable matter containment

Water barrier flotation curtain

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Water circulation

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Water circulation apparatus to reduce evaporation

Hydraulic and earth engineering – Drainage or irrigation – Branched flow

Water collection and distribution system for yard maintenance

Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway

Water conservation and distribution system

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Water containment device and levee for impeding a flow of water

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Water containment structure

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Water containment structure with fish ladder

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Water control and diversion headgate and method of manufacture

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Water control gate

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Water control gate and actuator therefore

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Water control structure

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Water control structure

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Water control structure and roller assembly therefor

Hydraulic and earth engineering – Fluid control – treatment – or containment – Floatable matter containment

Water disaster prevention water curtain forming apparatus