4. Excavating
  5. Ditch filler

Mark Osadchuk

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Chain separator for padding machine

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...
Patent

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Drill pipe guiding apparatus for a horizontal boring machine...

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

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Horizontal boring apparatus

Boring or penetrating the earth – Common drive or advancing means for concurrently boring...
Patent

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Horizontal boring apparatus and method of using the same

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

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Horizontal boring apparatus used to install a pipeline

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

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Profile ID: LFUS-PAI-P-724338

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