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

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

Operation of an in situ oil shale retort

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Horizontal cutter tooth orbit

Optimized kinetic energy machine for excavating underwater rock

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

Ore extraction using combined blast and thermal fragmentation

Mining or in situ disintegration of hard material – Processes

Ore pass inspection system

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

Oscillated head and connecting element, with bearing support, fo

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

Oscillated head with bearing support and counterbalance, for flo

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

Oscillated head with bearing support and quick demountability

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

Oscillated head with bearing support, for floor stripping machin

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

Oscillating carpet and tile stripper

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Stepper-type advance-causing means

Oscillating disk thin seam mining machine with steering

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

Oscillating liquid jet system and method for cutting granite and

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

Oscillating mechanism for stripping machine

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

Outboard bearing support

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

Overburden excavator

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

Overlapping pedestals for supporting a block secured to a...

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

Paddle wheel pick-up

Mining or in situ disintegration of hard material – Processes – Forming blocks

Parachute stopping for mine ventilation use

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

Pavement breaking apparatus

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

Pavement cutter