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

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

Power take off assembly, drive assembly and saw using power...

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

Power unit

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Wedge

Power-driven, wedge-operated rock splitter

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

Powered member for splitting rock and other bodies

Mining or in situ disintegration of hard material – Processes

Powered tool for slicing or shearing roofing material

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

Pre-bolting system for underground mines

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

Pre-start warning device for a machine

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

Preferential solution mining process

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Dissolving or chemical reaction

Preflush-lixiviant process for solution mining of uranium ore be

Mining or in situ disintegration of hard material – Miscellaneous

Press-fit pick

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Insert or tip mounting feature

Press-fit pick

Mining or in situ disintegration of hard material – Miscellaneous

Press-fit pick

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

Pressure actuated fracture device

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

Pressure differential mining tool

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Dissolving or chemical reaction

Pressure swing recovery system for mineral deposits

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Dissolving or chemical reaction

Pressure swing recovery system for oil shale deposits

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

Prestressed roof support system

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

Pretreatment for fracturing coal seams

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

Process and apparatus for controlling the water supply to the cu