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

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

Method and apparatus for suppressing dust and frictional ignitio

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Plural heads moving relative to each other

Method and apparatus for the milling cutting of materials

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Melted material recovered

Method and apparatus for utilizing accumulated underground water

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

Method and apparatus permitting beltway advance in a mining sche

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

Method and apparatus removing a mineable product from an undergr

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

Method and apparatus to complete horizontal drain holes

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

Method and apparatus to control tension in a trailing cable and/

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

Method and apparatus to remove structural concrete

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

Method and arrangement for determining position of unmanned...

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

Method and device for breaking a hard compact material

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

Method and device for breaking a hard compact material

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

Method and device for breaking a hard compact material

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

Method and device for breaking hard compact material

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

Method and device for collecting objects from the seabed

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

Method and device for detaching or cutting out an embedded...

Mining or in situ disintegration of hard material – Processes

Method and device for loosening stony soil

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

Method and device for optimizing a cutting process in road...

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

Method and device for producing underground cavities using a dri

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

Method and device for removing part of concrete structure