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

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

Earth engaging cutter bit

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

Earth engaging cutter bit

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

Earth working machine having independent tools and roof engaging

Mining or in situ disintegration of hard material – Miscellaneous

Earth working tool bit and block assembly

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

Earth-moving apparatus

Mining or in situ disintegration of hard material – Miscellaneous

Earthworking tool for protecting from abnormally high cutting lo

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

Eccentrically driven percussive tools for treating materials

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

Electric floor covering removal apparatus

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

Electric induction heating of underground ore deposits

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

Electrical control system for apparatus and method for continuou

Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration

Electro-power impact cell for plasma blasting

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

Electrohydraulic coal-mining system

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

Element to form a rack for a mining machine haulage system

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

Elevated roadway for continuous haulage unit

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

Elliptical disc grinder

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

Embossed washer

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

Emergency system for mines

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

End closure for a rotary cutter housing

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

End cutting unit for a mining machine