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...

Wear and impact tolerant plow blade

Hydraulic and earth engineering – Marine structure or fabrication thereof – Dock

Weather resistant dock walkway

Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor

Wedge assembly and internal anchorage using the same

Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor

Wedge barrel for a mine roof cable bolt

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

Wedge barrel for a twin cable mine roof bolt

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

Wedge member for assembling tunnel shield voussoirs

Hydraulic and earth engineering – Foundation – Columnar structure

Wedge-forming pile

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Weight belt apparatus for scuba divers

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Weight drop pocket for SCUBA divers

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Weight pouch releasable connection device for a scuba diving...

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

Weir

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

Welded grid, primarily for securing underground cavities, cavity

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

Welded wire component gabions and method of making the same and

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

Welding and laying pipelines

Hydraulic and earth engineering – Means to expose a normally wetted surface,e.g. – cofferdam – etc.

Welding chamber

Hydraulic and earth engineering – Marine structure or fabrication thereof

Welhead templates

Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor

Well base in ocean floor

Hydraulic and earth engineering – Marine structure or fabrication thereof

Well conductor support structure and method for using

Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization

Well drilling cuttings disposal