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

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Thermal rock fragmentation application in narrow vein...

Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration

Reexamination Certificate

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Thermal rock fragmentation application in narrow vein...

Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Tow line equipped remote mining machine and method

Mining or in situ disintegration of hard material – Processes

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Traction boring device using multiple trepans for producing larg

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

Patent

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Transport apparatus and method of forming same

Mining or in situ disintegration of hard material – Processes

Patent

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Treatment of rock surfaces

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

Reexamination Certificate

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Tunnel boring machine and method of operating same

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

Patent

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Tunnel excavation method

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

Patent

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Tunnel-excavating machine with shield formed of segments

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

Patent

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Tunneling shield

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

Patent

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Tunnelling shields

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

Patent

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Twin scrubber and air diffuser for a continuous miner and method

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Twin-jet process and apparatus therefor

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

Patent

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Underground formed wall single-entry mining method

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

Patent

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Underground hydraulic mining method and apparatus

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Underground mineral extraction

Mining or in situ disintegration of hard material – Processes – Explosive

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Underground mining system and method for developing longwall pan

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

Patent

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Underspoil slurry haulage

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

Patent

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Underspoil slurry haulage

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

Patent

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Use of foam as a borehole ground support system

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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