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

Mining or in situ disintegration of hard material – With separation of materials – Separation below surface of earth or water

Deep sea mining apparatus

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 – Cutter tooth or tooth head – Rolling or rotatable-type bit mount

Degradation assembly

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

Degradation assembly

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Wear shield or replaceable wear sleeve

Degradation assembly shield

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Wear shield or replaceable wear sleeve

Degradation assembly shield

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

Demolition machine for delining a furnace

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

Demolition tool for breaking solid materials

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

Depth control for asphalt pavement milling machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Remote control

Detachable cab construction for mining machines

Mining or in situ disintegration of hard material – Automatic control; signaling or indicating – Ore/rock interface determination during cutting

Detecting seam boundary using pick sound

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

Determining the locus of a processing zone in an oil shale retor

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

Device and method for exploiting material

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Wear shield or replaceable wear sleeve

Device and method for preventing wear on road milling and trench

Mining or in situ disintegration of hard material – Ice-working devices – Relatively moving cutter

Device for breaking ice and compacted snow on road surfaces

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

Device for breaking monolithic structures by pulsewise liquid pr