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

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

Hollow cutting head

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

Hollow pick shank

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

Hollow pick shank

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

Hook plough apparatus for longwall mining

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

Hopper and hood combination for tunneling machine and tunneling

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

Horizontal edna miner

Mining or in situ disintegration of hard material – Mine layouts

Horizontal free face blasting for minimizing channeling and moun

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

Horizontal free face blasting for minimizing channeling and moun

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

Horizontal heated plane process

Mining or in situ disintegration of hard material – Processes – With material-handling

Horizontal mining machine and method of slot mining

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Input and output wells

Horizontal natural gas storage caverns and methods for producing

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

Horizontal remote mining system, and method

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Rolling or rotatable-type bit mount

Hybrid retainer sleeve for tool inserted into block

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

Hydraulic aligner device for flexible continuous tram mining mac

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

Hydraulic borehole mining system

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

Hydraulic borehole mining system and method

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

Hydraulic couple rotational force hydraulic mining tool apparatu

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

Hydraulic expansion tube

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

Hydraulic fracturing of ore bodies