4. Fluid handling
  5. Systems
  6. Supply and exhaust

Michael Skelly

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Directional flow control valve

Fluid handling – Systems – Multi-way valve unit
Patent

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Hydraulic speed control and braking apparatus for draw works

Power plants – Pressure fluid source and motor – Methods of operation
Patent

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Method and apparatus for rotary power driven swivel drilling

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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Method and apparatus for rotary power driven swivel drilling

Material or article handling – Well pipe or rod racking mechanism – With slope change
Patent

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Multiple flow and directional control valve

Fluid handling – Systems – Supply and exhaust
Patent

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Profile ID: LFUS-PAI-P-711661

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