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

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

Anti-friction composition containing MgO and method

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

Apparatus and method for extracting and replacing buried pipe

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

Apparatus and method for extracting horizontal underground pipe

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

Apparatus and method for joining a pipe conduit to a...

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

Apparatus and method for providing access to buried pipeline

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

Apparatus and method for the longitudinal splitting of pipes...

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

Apparatus and process for installing “T”...

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

Apparatus and technique for installing an elongated rod in an ea

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

Apparatus for assembling a liner

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

Apparatus for below-ground driving of pipeline segments

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

Apparatus for bursting and replacing pipe

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

Apparatus for controlling underground excavator

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

Apparatus for directing forward movement of a rod

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

Apparatus for directing forward movement of a rod

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

Apparatus for driving pipes through the ground

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

Apparatus for driving pipes through the ground

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

Apparatus for impact action

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

Apparatus for installing a flexible cured in place lateral...

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

Apparatus for movement along an underground passage and method u