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

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Apparatus for working deposits by the open-cast working process

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

Patent

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Apparatus for, and a method of, driving tunnels

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

Patent

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Apparatus having pivotable frame sections wherein the...

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working

Reexamination Certificate

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Apparatus on drum shearer for cutting through safety wall in lon

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Sidewall-working

Patent

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Apparatus to deliver high pressure liquid from nozzles on a shea

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

Patent

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Appartaus for mounting ancillary equipment

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Sidewall-working

Patent

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Arm-supported cutting roll with effective length pivotally adjus

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

Patent

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Arrangement for controlled engagement of the tools of a mining m

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter attached to endless chain or cable

Patent

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Arrangement for guiding a cutting machine or similar mining mach

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Sidewall-working

Patent

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Articulated boom-dipper-bucket assembly for a tunnel boring mach

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

Patent

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Articulated support

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With material-handling means

Patent

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Asphalt crushing apparatus

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working

Patent

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Asphalt cutter

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working

Patent

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Asphalt cutter

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working

Patent

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Asphalt pavement grinder assembly

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working

Patent

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Asphalt paving planer with conveyor forwardly of cutting drum

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working

Patent

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Asphalt shingle remover and deroofer apparatus

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working

Patent

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Assembly for cooling the teeth of the cutting head and the rock

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter shiftable horizontally

Patent

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Asymmetric mineral mining plough

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter attached to endless chain or cable

Patent

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Atmospheric detection system for an automated mining system

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

Utility Patent

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