LandOfFree - US Patents - Listing for Hydraulic and earth engineering,Subterranean or submarine pipe or cable laying, retrieving,...

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Moving cable within pipe

High-speed cable-laying apparatus

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

Hinge-over riser assembly

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Cast in situ

Hole former for an invert

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement

Horizontal pipeline boring apparatus and method

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

Horizontal reel barge

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Supporting – anchoring – or positioning of pipe or cable

Hose guide

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,...

Hot tap fluid blaster apparatus and method of using same

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement

Hydraulic apparatus for installing piping below ground

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement

Hydraulic control arrangement for a pipe relining machine

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

Hydraulic stab connector

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

Hydraulic stab connector with angular freedom

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,...

Hydrocarbon fuel piping system with a flexible inner pipe and an

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

Hydrodynamic cable deployment system