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

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

Control system for longwall face alignment

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

Control system for longwall shearer

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

Control system for longwall shearer

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

Control system for overburden discharge

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid

Controlled cavitation erosion process and system

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid

Controlled foam injection method and means for fragmentation of

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid

Controlled foam injection method and means for fragmentation...

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

Controlled fracture method and apparatus for breaking hard compa

Mining or in situ disintegration of hard material – Tunnel recovery of fluid material

Controlled retorting methods for recovering shale oil from rubbl

Mining or in situ disintegration of hard material – Tunnel recovery of fluid material

Converting underground coal fires into commercial products

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

Conveying apparatus

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

Conveying trough connector and mining machine guide rail bridge

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

Conveying trough with mining machine cutter guide surfaces

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

Conveyor and guide assembly

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

Conveyor chute for chain scraper conveyors

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

Conveyor device and method of removing material using the...

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

Conveyor for ultra thin seam coal mining

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

Conveyor lift and service shoe assembly and method of moving

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

Conveyor mounted excavator