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

Earth Tool Company LLC

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Method and apparatus for installation of underground pipes

Boring or penetrating the earth – Enlargement of existing pilot throughbore requiring...
Patent

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Method and apparatus for removing tuberculation from...

Cleaning and liquid contact with solids – Processes – Using solid work treating agents
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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-2305584

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