LandOfFree - US Patents - Listing for Hydraulic and earth engineering

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Invertible retaining wall block

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Invertible retaining wall block

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

Irrigation and drainage apparatus

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

Irrigation and drainage method and apparatus

Hydraulic and earth engineering – Drainage or irrigation – Branched flow

Irrigation apparatus

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

Irrigation apparatus including pulsators

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

Irrigation channel gate

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

Irrigation channel gates

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

Irrigation control structure

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

Irrigation device

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

Irrigation device and facilities for the pulsed delivery of an i

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

Irrigation ditch gate

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

Irrigation ditch liner

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

Irrigation gate system

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

Irrigation means and method

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

Irrigation method

Hydraulic and earth engineering – Drainage or irrigation

Irrigation method and apparatus

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

Irrigation monitoring system

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

Irrigation pipe