LandOfFree - US Patents - Listing for Mining or in situ disintegration of hard material,Hard material disintegrating machines

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

Roadheading or mining machine with roof bolt drilling and...

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

Roadway breaker plate for a planar apparatus

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

Roadway grooving apparatus

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

Roadway pavement planing machine

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

Roadway planing apparatus

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

Rock boring device

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

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

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

Rock breaker tool

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...

Rock breaking apparatus

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

Rock cutting head

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

Rock ditcher

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

Rock excavating arched tunnel forming machine

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

Rock saw with centerline conveyor assembly and method of digging

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

Roller cutter loader for mine

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

Roof bolt drilling and setting apparatus

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

Roof bolting apparatus

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

Roof prop and platform movably mounted on boom of tunnelling mac

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

Roofing material stripping machine

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

Roofing removal apparatus