LandOfFree - US Patents - Listing for Hydraulic and earth engineering,Drainage or irrigation

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

Method and apparatus of water-saving irrigation system

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

Method and device for inserting a drainage wick

Hydraulic and earth engineering – Drainage or irrigation

Method and means for irrigating soil and growing plants having v

Hydraulic and earth engineering – Drainage or irrigation

Method and means for reducing stress in a pivot irrigation...

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

Method and system for flood irrigation

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

Method and system for flood irrigation

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

Method for constructing a water resource recycling system

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

Method for fitting drainage devices into the soil, and...

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

Method for improving soft ground by sand drain method and cylind

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

Method for installing lines, pipes or cables underground

Hydraulic and earth engineering – Drainage or irrigation

Method for installing sprinkler heads

Hydraulic and earth engineering – Drainage or irrigation

Method for landscape and hardscape edging

Hydraulic and earth engineering – Drainage or irrigation

Method for mining and reclaiming land

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

Method for stratified construction and heating a grass...

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

Method of and system for underground irrigation

Hydraulic and earth engineering – Drainage or irrigation

Method of cold technology based irrigation of areas affected by

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

Method of confirming position of drain material left and apparat

Hydraulic and earth engineering – Drainage or irrigation

Method of dewatering a subterranean space, especially a mine

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

Method of installing drainfield pipe