4. Hydraulic and earth engineering
  5. Marine structure or fabrication thereof
  6. Structure protection

Frederick L. Legman

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Apparatus for suppression of vortex induced vibration...

Hydraulic and earth engineering – Marine structure or fabrication thereof – Structure protection
Reexamination Certificate

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Geosynthetic material irrigation system

Hydraulic and earth engineering – Drainage or irrigation – Control means responsive to sensed condition
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Method of load reduction on buried culvert using EPS block...

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – With protection or indication of pipe or trench
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2567503

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