LandOfFree - US Patents - Listing for Hydraulic and earth engineering

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...

Water jet system for trenching of pipelines

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

Water level control system for a reservoir

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

Water level regulating device for paddy field

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

Water management system

Hydraulic and earth engineering – Fluid control – treatment – or containment – Extracting power from moving fluid

Water power generator

Hydraulic and earth engineering – Foundation

Water pressure reducing structure of a raft foundation bottom pl

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

Water quality management system and method

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

Water removal system

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

Water resource recycling system

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Water safety and survival system

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Water safety and survival system

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Water safety and survival system

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

Water storage and distribution system

Hydraulic and earth engineering – Fluid control – treatment – or containment – Fluid storage in earthen cavity

Water storing block and connecting member for water storing...

Hydraulic and earth engineering – Fluid control – treatment – or containment – Extracting power from moving fluid

Water turbine arrangement

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...

Water vessels of the floating-deck type

Hydraulic and earth engineering – Bank – shore – or bed protection – Wave or flow dissipation

Water wave absorber

Hydraulic and earth engineering – Bank – shore – or bed protection – Wave or flow dissipation

Water, sediment and erosion control apparatus and methods

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

Water-bag dam or dike and method