4. Mining or in situ disintegration of hard material
  5. Hard material disintegrating machines
  6. Cutter attached to endless chain or cable

Nick A. Nichols Jr.

Examiner

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Auxiliary device for a mining machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Sidewall-working
Patent

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Capillary retainer clip

Refrigeration – Structural installation – With evaporative type cooler
Patent

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Casing perforator

Wells – Means for perforating – weakening – bending or separating pipe... – Perforating or splitting cutter
Patent

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Cavity mining minerals from subsurface deposit

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid
Patent

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Check valve for rock drill

Boring or penetrating the earth – With means movable relative to tool or shaft to control...
Patent

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Profile ID: LFUS-PAI-P-1827370

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