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

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Cutter for gouging ore or rock from mine faces

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Tooth mounted on helical head portion or head with helical...

Patent

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Cutter for impact-type cutting machine

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

Patent

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Cutter head and method for mining hard rock

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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Cutter head for a tunnel excavator

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Rolling or rotatable-type bit mount

Patent

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Cutter head with cutting members that rotate relative to each ot

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Plural heads moving relative to each other

Patent

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Cutter head, tunnel excavating machine, and cutter replacing...

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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Cutter inserts for picks

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

Patent

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Cutter pick for mining using hydraulic stream

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

Patent

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Cutter picks

Mining or in situ disintegration of hard material – Miscellaneous

Patent

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Cutter roller with spraying nozzle

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

Patent

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Cutter unit assemblies for excavating machines and to excavating

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Stepper-type advance-causing means

Patent

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Cutter wheel assembly for mining machine

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Tooth mounted on helical head portion or head with helical...

Patent

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Cutter-bit assemblies

Mining or in situ disintegration of hard material – Miscellaneous

Patent

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Cutter-bit assemblies

Mining or in situ disintegration of hard material – Miscellaneous

Patent

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Cutter-loader apparatus having overhung shearer drum

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

Patent

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Cutterhead for water jet assisted cutting

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

Patent

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Cutters and methods of cutting

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

Patent

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Cutters for use in mineral mining

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

Patent

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Cutting and chiseling assembly for mining machine and method per

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

Patent

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Cutting apparatus for mining operations with automatic control

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

Patent

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