4. Excavating
  5. Peat excavators

Frank Howard Brockett, III

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Mining concentrator

Excavating – Peat excavators
Patent

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Mining transition chamber

Excavating – Peat excavators
Patent

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Pressure-responsive valve

Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve
Patent

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Solids concentrator

Mining or in situ disintegration of hard material – With separation of materials – Separation below surface of earth or water
Patent

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Undersea mining and separating vehicle having motor-powered wate

Mining or in situ disintegration of hard material – With separation of materials – Separation below surface of earth or water
Patent

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Profile ID: LFUS-PAI-P-1272766

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