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...

Automatic pipeline pig launching system

Hydraulic and earth engineering – Miscellaneous

Automatic roof bolting system for mines

Hydraulic and earth engineering – Foundation – Columnar structure

Automatic spotter with electronic control system for pile...

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

Automatic swing fishway apparatus

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

Automatic trip gate

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

Automatic wicket for a hydraulic structure

Hydraulic and earth engineering – Foundation – Columnar structure

Automatically adjustable caisson clamp

Hydraulic and earth engineering – Foundation – Columnar structure

Automatically adjustable caisson clamp

Hydraulic and earth engineering – Foundation – Columnar structure

Automatically adjustable caisson clamp

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring

Automatically advancing supporting and sliding form for introduc

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Automatically-controlled buoyancy vest

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

Auxiliary drainage system for eliminating water problems associa

Hydraulic and earth engineering – Marine structure or fabrication thereof – With horizontally movable work deck

Auxiliary reaction frame system for cantilevered jack-up...

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

Auxiliary walking mine support

Hydraulic and earth engineering – Earth treatment or control – Ground stabilization or reinforcement

Avalanche protection system