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

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Method of accurate trenchless installation of underground pipe

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

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Method of and apparatus for pulling a pipe

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

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Method to install underground pipe casing

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

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Methods and apparatus for installing conduit underground

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

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Pipe pulling method and device

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

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Portable pulling apparatus

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

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Rod pulling and pushing machine for pipe bursting

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

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Rod pulling and pushing machine for pipe bursting

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

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Thruster pig apparatus for injecting tubing down pipelines

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

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Tool and method for installation of electrical conduit

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tool and method for installation of water pipe

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tool for installing an underground water pipe

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Vertical pull apparatus

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Widening apparatus

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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