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

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

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

Dust control system and method of operation

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

Dust controlling method using a coal cutter bit

Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration

Electro-power impact cell for plasma blasting

Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration

Enhancing liquid jet erosion

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

Equipment and method for measuring convergence

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

Equipment for shortwall mining useful for extraction of pillars

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

Equipment useful for winning ores particularly coal in longwall

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

Excavating machines

Mining or in situ disintegration of hard material – Processes

Excavation apparatus and method

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

Explosive fluid transmitted shock method for mining deeply burie