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

Adjustable angle coupler for leaching chamber systems

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

Affluent distribution system capable of being horizontally...

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

Aggregate chamber leach lines for leaching effluent and...

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

Agricultural drip tape

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

Angled adapter for a leaching chamber system

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

Anti-rotation stop for chamber

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

Anti-rotation stop for chamber

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

Apertured pipe segment

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

Apparatus and method for heating a playfield

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

Apparatus for placement of lateral drain lines onto a main drain

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

Apparatus for soil irrigation

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

Apparatus for treating soil

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

Apparatus for watering and draining soil

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

Arch conduit

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

Athletic field construction

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

Ballasting system for on-site sewage treatment and disposal...

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

Bluff penetrating outfall drainage system

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

Buried field drainage pipe

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

Cascading chute drainage system