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

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 – Processes – Directly applying heat or vibration

Crushing apparatus electrode and crushing apparatus

Mining or in situ disintegration of hard material – Processes

Crushing method using large boreholes in underwater rock

Mining or in situ disintegration of hard material – Processes

Cutter and method to remove surface coatings

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

Cutters and methods of cutting

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

Cutting and chiseling assembly for mining machine and method per

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

Cutting heads for horizontal remote mining system

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

Deep kerfing in rocks with ultrahigh-pressure fan jets

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

Deep well process for slurry pick-up in hydraulic borehole minin

Mining or in situ disintegration of hard material – Processes

Deformed shield tunneling method and tunneling machine

Mining or in situ disintegration of hard material – Processes – Mine safety

Degasification of coal

Mining or in situ disintegration of hard material – Processes – Mine safety

Degasification of coal seams

Mining or in situ disintegration of hard material – Processes – Forming blocks

Device for closing off a mine gallery especially for use to prev

Mining or in situ disintegration of hard material – Processes – Forming blocks

Dividing cutting machine

Mining or in situ disintegration of hard material – Processes – Forming blocks

Double slot wire sawing apparatus and method

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

Down hole pump with bottom receptor

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

Drag bit excavation