LandOfFree - US Patents - Listing for Mining or in situ disintegration of hard material,Hard material disintegrating machines,Stepper-type advance-causing means

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Shaft-sinking apparatus with milling head and central worm conve

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

Patent

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Shield machine

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

Patent

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Shortwall mining machine

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

Patent

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Slideway means and excavating machines comprising slideway means

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

Patent

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Softwall mining method and device

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

Reexamination Certificate

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Thin seam mining machine

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

Patent

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Tramming mobile mining machine

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

Patent

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Tunnel boring machine

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

Patent

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Tunnel boring machine

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

Patent

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Tunnel boring machine

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

Patent

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Tunnel boring machine

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

Patent

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Tunnel boring machine

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

Patent

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Tunnel boring machine

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

Patent

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Tunnel boring machine anchor shoe structure and process of opera

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

Patent

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Tunnel boring machine and method

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

Patent

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Tunnel boring machine and method

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

Patent

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Tunnel boring machine for hard ground and soft ground

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

Patent

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Tunnel boring machine with continuous forward propulsion

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

Patent

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Tunnel boring machine with dual support members

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

Patent

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Tunnel drilling machine or tube-driving machine

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

Patent

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