Power tool
Power torque wrench
Process and apparatus for locking and releasing of a drilling sh
Ratchet wrench attachment
Reciprocating rotary tool driver
Rotary drill with a kelly bar and hydraulic chuck
Rotary surgical driver
Rotatable fluid conductor for well apparatus
Rotating tool
Self-aligning top drive
Spinner for use in connecting pipe joints
Spring powered rotary tool
Surgical wire inserter apparatus
Tool collet and control means
Tool device
Top drive drilling unit with rotatable pipe support
Top head drive assembly for earth drilling machine and component
Wire driver handpiece
Wire inserter