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

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Rock boring device with an oscillating and nutating rotary...

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

Reexamination Certificate

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Rock breaker tool

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

Patent

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Rock breaking 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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Rock crushing device

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

Patent

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Rock crushing device and a method thereof

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

Patent

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Rock cutting assembly

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rock cutting head

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Vertical cutter tooth orbit

Patent

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Rock cutting tip inserts

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

Patent

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Rock cutting tool having eccentric drive

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rock ditcher

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

Patent

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Rock excavating arched tunnel forming machine

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rock milling cutter tongue and slot connected

Mining or in situ disintegration of hard material – Miscellaneous

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rock saw

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rock saw unit for hard rock earth formations

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rock saw with centerline conveyor assembly and method of digging

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rock splitting attachment for a breaking hammer

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Rock-splitting apparatus

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Roller bit for tunnel-driving machines with segmented...

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Roller cutter

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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Roller cutter loader for mine

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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