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

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Apparatus for automatically shifting the conveyor at the pit fac

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 breaking rock or concrete

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

Patent

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Apparatus for breaking up a layer of substantially rigid materia

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

Patent

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Apparatus for breaking up solid objects

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

Reexamination Certificate

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Apparatus for building-up bursting forces

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Wedge

Patent

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Apparatus for cleaning aluminum cells

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Percussive-type cutter

Patent

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Apparatus for cleaning pavement expansion joints

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

Patent

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Apparatus for coal mining in-cutting and out-cutting

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 collecting and packaging hazardous particulate mat

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

Patent

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Apparatus for continuous mining

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Remote control

Patent

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Apparatus for continuous mining

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 continuous mining

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

Patent

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Apparatus for controlling the discharge of pressurized liquid fr

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

Patent

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