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Class Information
Number: 299/56
Name: Mining or in situ disintegration of hard material > Hard material disintegrating machines > Rotary cutter head with advance direction coincident or parallel to rotary axis > With material-handling means
Description: Apparatus combined with means for moving or carrying material away from the position at which it is broken up.










Sub-classes under this class:

Class Number Class Name Patents
299/57 Cooperates with laterally spaced heads 39


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8523288 Bit replacing device for excavating machine Sep. 3, 2013
8210774 Guided boring machine and method Jul. 3, 2012
8113741 Boring machine with conveyor system for cuttings and method for boring therewith Feb. 14, 2012
7942605 Milling drum May. 17, 2011
7192094 Auger flight support system Mar. 20, 2007
7097255 Method and means for processing oil sands while excavating Aug. 29, 2006
6869147 Method and system for mining hydrocarbon-containing materials Mar. 22, 2005
6698844 Earth discharging device for upward-facing shield machine Mar. 2, 2004
6652035 Highwall mining system Nov. 25, 2003
6554368 Method and system for mining hydrocarbon-containing materials Apr. 29, 2003
6293628 Hydraulic scroll auger mining system and method of using the same Sep. 25, 2001
6142577 Hydraulic muck handling system for tunnel boring machine Nov. 7, 2000
6082930 Shield driving machine Jul. 4, 2000
6017095 Tunnel boring machine with crusher Jan. 25, 2000
5992941 Conveyor for ultra thin seam coal mining Nov. 30, 1999
5879057 Horizontal remote mining system, and method Mar. 9, 1999
5692807 Highwall mining apparatus Dec. 2, 1997
5641207 Mining machine Jun. 24, 1997
5498068 Non-entry mining method equipment Mar. 12, 1996
5470132 Tunnelling head and method Nov. 28, 1995
5431238 Drilling tool for use in constructing large diameter piles, ventilating shafts and other similar mining works Jul. 11, 1995
5393172 Shield tunneling machine Feb. 28, 1995
5330257 Auger mining machine Jul. 19, 1994
5261729 Apparatus for continuous mining Nov. 16, 1993
5255960 Tunnel drilling apparatus with drill waste removal Oct. 26, 1993
5203614 Tunneling machine having liquid balance low flow slurry system Apr. 20, 1993
5127711 Hopper and hood combination for tunneling machine and tunneling machine having the same Jul. 7, 1992
5125768 Method and apparatus for the production of underground pipelines Jun. 30, 1992
5123708 Shield tunnelling machine Jun. 23, 1992
5104262 Tunnel boring machine Apr. 14, 1992
5078545 Method for boring hole in the ground and apparatus therefor Jan. 7, 1992
5072992 Shield unit Dec. 17, 1991
5056655 Highwall miner with conveyor module Oct. 15, 1991
5022789 Method and machine for constructing shafts Jun. 11, 1991
5005911 Quadrishoe tunnel boring machine Apr. 9, 1991
4848963 Earth pressure shield Jul. 18, 1989
4844656 Earth pressure shield Jul. 4, 1989
4818026 Shield type tunneling apparatus Apr. 4, 1989
4790395 Pipe-driving apparatus Dec. 13, 1988
4763954 Excavator and conveyor of an underground pipeline jacking apparatus Aug. 16, 1988
4763955 Pitch seam mining Aug. 16, 1988
4732226 Drilling machine Mar. 22, 1988
4699429 Mining machine system Oct. 13, 1987
4630869 Shield tunneling machine Dec. 23, 1986
4629255 Tunneling machine Dec. 16, 1986
4624605 Shield tunneling apparatus Nov. 25, 1986
4607889 Shield tunnel boring machine Aug. 26, 1986
4568126 Method and machine for removing blockage and silt from abandoned auger holes Feb. 4, 1986
4558906 Shield machine Dec. 17, 1985
4555064 Pebble-stone crushing device for use in excavator for laying pipelines underground Nov. 26, 1985

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