LandOfFree - US Patents - Listing for Hydraulic and earth engineering,Drainage or irrigation,Porous or apertured pipe, flume, or tileway

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

Filter underdrain with prefabricated cells

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

Finned subterranean drainage device and method for fabricating t

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

Flat sided irrigation tubing

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

Flow distributor for leaching fields

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

Fluid distribution system

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

Fluid storage system

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

Form-drain filter

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

Form-drain filter clamp

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

Formed corrugated plastic net for drainage applications

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

Foundation drainage system

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

Golf course green storm water filter

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

Gravity drainage system for athletic fields and method therefor

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

Ground anchor drainage apparatus and a method of...

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

Gutterless drainage system

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

Highway edgedrain

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

Hillslope landslide stability drain

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

Horizontal dewatering system

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

Horizontally draining artificial turf system

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

Hose conduits for drip- or trickle emission