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

James R. Mayer

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Apparatus for handling a drilling equipment

Tool driving or impacting – Means to drive tool about an axis – Means to hold and relatively rotate sections of tool shaft
Patent

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Automatic drill string section changer

Boring or penetrating the earth – With magazine for successively moving unconnected – oriented...
Patent

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Controls for hydraulic percussion drill

Tool driving or impacting – Automatic control of power operated means – Tool advance causing or controlling means
Patent

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Hydraulic accumulator

Pipes and tubular conduits – With pressure compensators – Variable capacity chambers
Patent

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Hydraulic Percussion tool

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

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Profile ID: LFUS-PAI-P-182299

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