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

Roger A. Bullivant

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Apparatus for use in forming piles

Hydraulic and earth engineering – Foundation – Columnar structure
Patent

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Composite sectional concrete piles

Hydraulic and earth engineering – Foundation – Columnar structure
Patent

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Connector

Joints and connections – Distinct end coupler – Interrupted periphery – e.g. – split or segmental – etc.
Reexamination Certificate

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Ground treatment

Hydraulic and earth engineering – Earth treatment or control – Compaction
Reexamination Certificate

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Method and apparatus for introducing elongate members into...

Boring or penetrating the earth – Processes
Reexamination Certificate

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Profile ID: LFUS-PAI-P-245730

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