4. Hydraulic and earth engineering
  5. Foundation
  6. Columnar structure

Richard O. Marsh, Jr.

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Apparatus for joining pipe sections by jacking

Metal working – Means to assemble or disassemble – Coupling to conduit
Patent

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Centrifugal force drive machine

Machine element or mechanism – Mechanical movements – Rotary to intermittent unidirectional motion
Patent

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Centrifugal force vibration apparatus and system

Hydraulic and earth engineering – Foundation – Columnar structure
Patent

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Double sleeve pipe coupler

Joints and connections – Member deformed in situ – Deformation occurs simultaneously with action of separate,...
Patent

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Double tapered pipe coupling

Pipe joints or couplings – Repair – Removable wear element
Patent

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Profile ID: LFUS-PAI-P-368405

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