4. Hydraulic and earth engineering
  5. Earth treatment or control
  6. Shoring, bracing, or cave-in prevention

James P. Watts

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Automatic keno game

Amusement devices: games – Chance devices – Electric or magnetic
Patent

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Belling apparatus

Boring or penetrating the earth – With below-ground tool drive prime mover – With means to anchor prime movers support to bore wall
Patent

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Collector and loading apparatus for auger spoil

Conveyors: power-driven – Conveyor system for arranging or rearranging stream of items – By laterally or vertically moving successive items in...
Patent

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Method and apparatus for strip mining

Mining or in situ disintegration of hard material – Processes – With material-handling
Patent

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Method for forming a hole in the earth

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Patent

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Profile ID: LFUS-PAI-P-13254

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