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

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

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

Dressing a rock face for abandonment

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

Drill section and method of hydraulically mining mineral formati

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

Drillhole blasting

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

Drilling, image, and coal-bed methane production ahead of...

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

Drum-type dual channel water-jet assisted cutting head

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

Dry dust removal device

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

Dual nozzle hydro-demolition system

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

Dust control apparatus for longwall mining machinery

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

Dust control fluids spray arm

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

Dust control in longwall mining