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 – Material mined or excavated underwater

Recovery head with track seal

Mining or in situ disintegration of hard material – With separation of materials – Material mined or excavated underwater

Recovery head with track seal

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Input and output wells

Recovery of alkali values from trona deposits

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

Recovery of fluid fuels by in-situ retorting of carbonaceous dep

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

Recovery of hydrocarbons from deep underground deposits of tar s

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

Recovery of liquid and gaseous products from an in situ oil shal

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

Recovery of magnesia from oil shale

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

Recovery of magnesia from oil shale

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

Recovery of shale oil and magnesia from oil shale

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Input and output wells

Recovery system for oil shale deposits

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

Rectangular tunnel boring machine and method

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

Redundant remote control system used on a continuous miner and m

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

Reef miner with disk and drum cutters

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

Reflected light determination of geological strata

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

Reinforced concrete milling/cutting mandrel

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

Remote control system for mining machines

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

Remote controlled high wall coal mining system

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

Remote mining haulage system with self-advancing mobile tailpiec

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

Remotely sensing of excavation cavity during mining