4. Tool driving or impacting
  5. Impacting devices
  6. Impact transmitting anvil

George A. Hibbard

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Air manifold and delivery passageways for rock drill

Tool driving or impacting – Impacting devices – With means for rotating tool
Patent

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Bit coupling means

Mining or in situ disintegration of hard material – Miscellaneous
Patent

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Fluid operable hammer

Motors: expansible chamber type – Application of motive fluid at different pressures to...
Patent

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Hammer

Tool driving or impacting – Impacting devices – Impact transmitting anvil
Patent

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Hammer

Tool driving or impacting – Processes
Patent

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Profile ID: LFUS-PAI-P-493850

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