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

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Shield system for coal mining

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

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Shield tunnel boring machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...

Patent

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Shield tunnel boring machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means

Patent

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Shield tunneling machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means

Patent

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Shield tunneling machine

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Cleansing fluid passage

Reexamination Certificate

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Shield tunneling machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means

Patent

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Shield tunneling machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means

Patent

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Shield tunneling machine and earth removing apparatus therefor

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means

Patent

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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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Shield tunneling method and shield tunneling machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...

Reexamination Certificate

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Shield tunneling with optional section and machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...

Patent

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Shield tunnelling machine

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Adjustable tooth

Patent

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Shield tunnelling machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...

Patent

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Shield type hydraulic tunnel boring machine

Mining or in situ disintegration of hard material – Automatic control; signaling or indicating – Of hard material disintegrating machine

Patent

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Shield type hydraulic tunnel boring machine

Mining or in situ disintegration of hard material – Automatic control; signaling or indicating – Of hard material disintegrating machine

Patent

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Shield type tunneling apparatus

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...

Patent

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Shield unit

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means

Patent

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Shield-type tunneling machine with toggle controlled bit plates

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means

Patent

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Shielded cutterhead with small rolling disc cutters

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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