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 – Cleansing fluid passage

Device for preventing ingress of dust through the annular gap be

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

Device for producing a gas-liquid mixture in the vicinity of...

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

Device for protecting selective cutting machines against...

Mining or in situ disintegration of hard material – Miscellaneous

Device for releasable mounting tools in mining machines

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

Device for removing asbestos and the like

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

Device for removing gravels and the like from discharged mud in

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...

Device for removing the earth generated by tunneling

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

Device for rotating a body

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

Device for safety guiding of hauling chain especially at ranging

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

Device for sealing a drift cross section driven by means of a cu

Mining or in situ disintegration of hard material – With separation of materials

Device for separating phases for rigid multiphase materials

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

Device for supplying fluid at tools for breaking solid material

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

Device for supplying fluid to a tool for breaking hard material

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

Device for supplying fluid to a tool for breaking hard material

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

Device for the removal of coverings laid on flat surfaces

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

Device for the removal of coverings laid on flat surfaces

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

Device for the removal of the surface layer of a wall or...

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Tooth mounted on helical head portion or head with helical...

Diamond planar cutter

Mining or in situ disintegration of hard material – Miscellaneous

Digging tooth and holder therefor