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

Mining or in situ disintegration of hard material – Miscellaneous

Magnetic breaker bar

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

Main-ancillary tunnel excavator

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

Maneuverable full face miner

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

Manhole casting removing device

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

Manhole ring saw cutting device

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

Manipulable tool mount

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

Manually replaceable protective wear sleeve

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

Manually rotatable tool

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

Marine clathrate mining and sediment separation

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

Material clearing and piling device

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

Material fracturing apparatus

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With material-handling means

Material gathering device for a mining machine

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

Material stripping apparatus

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

Means for controlling feed of particulate material into airlift

Mining or in situ disintegration of hard material – Miscellaneous

Means for holding cutter bits

Mining or in situ disintegration of hard material – Tunnel recovery of fluid material

Means for providing gas seal in production level drift for in si

Mining or in situ disintegration of hard material – Miscellaneous

Means for removably affixing a cutter bit mounting lug to a base

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

Means for removing the lining of a crucible furnace

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

Measurement of the alignment of an articulated mine conveyor