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

Mining or in situ disintegration of hard material – Processes – Explosive

Longwall mining with blasting

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure

Longwall mining with chain pillar recovery

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

Longwall shearer tracking system

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

Longwall support control for controlling the movements of...

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure

Longwall trench mining system

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

Looped cable control device

Mining or in situ disintegration of hard material – Processes

Low elevation coal processing plant

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

Low profile mining machine

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

Low profile mining machine having a cutter mounted on a slidable

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

Lubricant pumping eccentric in floor stripping machine

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

Lubricated pick

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

Lubricating drum

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

Lubrication of oscillating head elements for floor stripping...