LandOfFree - US Patents - Listing for Tool driving or impacting,Drive controlled by relative axial movement of tool,Drive motor controlled

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Fluid operated hammer

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Fluid operated rock drill hammer

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Fluid operated rock drill hammer

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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High efficiency pneumatic impacting mechanism with a plunger val

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Hydraulic demolishing rock drill

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Hydraulic device for driving piles

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Hydraulic drive for rotation of a rock drill

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Hydraulic hammer having a sealing bushing

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Reexamination Certificate

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Hydraulic percussion apparatus

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Hydraulic percussion apparatus

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Impact borer, connector for embedding lines, anchoring cables, a

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Impact device

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Impact drilling tool having improved valving

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Impact hammer systems and methods

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Reexamination Certificate

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Impact tool

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Mechanical lockout for a pneumatic tool

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Mud actuated drilling tool

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Percussion bit with bypass channel therein

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Percussion tool utilizing negative pressure

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Patent

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Percussive drill with adjustable flow control

Tool driving or impacting – Drive controlled by relative axial movement of tool – Drive motor controlled

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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