4. Cutlery

Hilbert D. Dahl

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Shallow underground coal slurry concentration sump

Cutlery
Patent

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Slurry handling system

Cutlery
Patent

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Slurry recovery from a circular sump

Conveyors: fluid current – Intake to fluid current conveyor – Combined intake and discharge
Patent

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Thrust actuated drill guidance device

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along...
Patent

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Profile ID: LFUS-PAI-P-1029276

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