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 – Sidewall-working

Chain having longitudinal stiffness used with hauling and cuttin

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter shiftable vertically

Chain link conveyor apparatus for cutting hard earth formations

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

Channelling machine for cutting a preliminary groove around the

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

Characterization of in situ oil shale retorts prior to ignition

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Percussive-type cutter

Cheeking device, particularly for the hanging roof in mines, und

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

Chimney demolition device and method

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

Chisel

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Percussive-type cutter

Chisel alignment unit for a crust breaking facility

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

Chisel barge with shock absorbing system for mast

Mining or in situ disintegration of hard material – Miscellaneous

Chisel for a crust breaking facility

Mining or in situ disintegration of hard material – Miscellaneous

Chisel for a crust breaking facility

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

Chisel holder

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Adjustable tooth

Chisel holder changing system

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Clamped tooth holder or tooth mount

Chisel holder changing system with chisel holder receivers

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Percussive-type cutter

Chiseling apparatus

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

Circular-shank tool comprising a tool holder

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

Circular-shank tool comprising a tool holder

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Cutter attached to endless chain or cable

Clamped chain cover for longwall plough guide

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

Clay stabilization in uranium leaching and restoration