LandOfFree - US Patents - Listing for Mining or in situ disintegration of hard material,Processes

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Radial mining method

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure

Patent

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Reciprocating drive method of mining and apparatus therefor

Mining or in situ disintegration of hard material – Processes

Patent

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Rectangular tunnel boring machine and method

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

Patent

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Remote mining haulage system with self-advancing mobile tailpiec

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

Patent

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Remotely sensing of excavation cavity during mining

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid

Patent

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Retainer clip for cutter bits

Mining or in situ disintegration of hard material – Processes

Patent

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Roadbed profiler and method of profiling

Mining or in situ disintegration of hard material – Processes

Patent

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Roof fall separating and removing apparatus and method for use i

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

Patent

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Rotary-type cutter element with means for distributing wear

Mining or in situ disintegration of hard material – Processes

Patent

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Safety wall cutting through method employed in long wall mining

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure

Patent

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Scoop-belt miner

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

Patent

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Scrapping method of building and scrapping machine

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

Reexamination Certificate

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Scrubber for dispersing dust generated by longwall shearers

Mining or in situ disintegration of hard material – Processes – Mine safety

Patent

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Selective mining from horizontal holes

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid

Patent

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Self-propelled mining apparatus and method for cutting arched op

Mining or in situ disintegration of hard material – Processes

Patent

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Shaft excavation method

Mining or in situ disintegration of hard material – Processes – Forming blocks

Patent

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Shield system for coal mining

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure

Reexamination Certificate

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Shield tunneling machine and method

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure

Patent

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Shield tunneling method and machine therefor

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure

Patent

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Shortwall mining of trona

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure

Patent

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