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

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Apparatus for controlling the steering mechanism of a mining mac

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 controlling the supply of high-pressure liquid to

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

Patent

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Apparatus for controlling water spraying operations in mineral m

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

Patent

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Apparatus for conveying and separating loose material

Mining or in situ disintegration of hard material – With separation of materials – Material mined or excavated underwater

Patent

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Apparatus for cutting and excavating solids

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

Patent

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Apparatus for cutting erosive materials using high pressure wate

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

Patent

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Apparatus for cutting excavations having a substantially planar

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

Patent

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Apparatus for cutting free manhole casings in coatings

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

Patent

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Apparatus for cutting hard earth formations

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Endless-chain type head

Patent

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Apparatus for cutting recessed grooves into concrete and rock ma

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

Patent

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Apparatus for cutting recesses in pavement

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

Reexamination Certificate

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Apparatus for cutting rock

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

Patent

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Apparatus for detecting the state of rotation of cutting...

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

Reexamination Certificate

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Apparatus for disintegrating monolythic entities

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Fluid-pressed element

Patent

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Apparatus for dislodging and collecting materials

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

Patent

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Apparatus for drawing the shearers

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

Patent

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Apparatus for drifting openings in hard rock

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

Patent

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Apparatus for drilling and inserting a horizontal pipe

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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Apparatus for excavating a recess

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

Patent

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Apparatus for excavating passages

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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