Featured patents

Auxiliary Drive
US 08807662 B2, Aug. 19, 2014, Drum-type, Peter Busley et al. / Wirtgen GmbH DE
A construction machine for the treatment of ground surfaces, comprising:…

Automated Pre-Tramming Operation of a Mining Machine
US 08820846 B2, Sept. 2, 2014, Of hard material disintegrating machine, Persistence Jokonya / Joy MM Delaware, Inc. (Wilmington, US)
A method for automatically operating a continuous mining machine, the method…

Machine and Method for Deconstructing a Vertical Wall
US 08814274 B2, Aug. 26, 2014, Jetting, Veron Bose et al.
A hydrodemolition machine for deconstructing a portion of a curved vertical wall…

Top-Down Hydro-Demolition System With Rigid Support Frame
US 08827373 B2, Sept. 9, 2014, Jetting, Gordon W. MacNeil et al. / Mac & Mac Hydrodemolition Inc. (Surrey, BC, CA)
A top-down hydro-demolition device for deconstructing a wall at a work-face,…

Material and Equipment Recovery System
US 08783784 B2, July 22, 2014, Remote control, Robert Wayne Graham / Logan Hydraulics Co. (Logan, US)
A material and equipment recovery system comprising:…

Heated Fluid Flow in Mines and Tunnels Used in Heating Subsurface Hydrocarbon Containing Formations
US 08752904 B2, June 17, 2014, Tunnel Recovery of Fluid Material, Jochen Marwede et al. / Shell Oil Company (Houston, US)
A system for treating a subsurface hydrocarbon containing formation, comprising:…

Highwall Mining System, Conveyor Segment and Method for Providing Such a Mining System
US 08721007 B2, May 13, 2014, With material-handling means, Cornelis Wilhelm In 'T Hout / Caterpillar Global Mining Highwall Miners LLC (Beckley, US)
Highwall mining system comprising:…

Cutting Device With Function of Changing Diameter in Small Range for Soft Rock Shield Machine
US 08696068 B2, April 15, 2014, Of rotary cutter with advance direction coincident or parallel to rotary axis, Yulian He et al. / China Rall Way Tunneling Equipment Co., Ltd. (Zhengzhou, Henan, CN)
A cutting device for a tunnel boring machine, comprising:…

Mounting for a Replaceable Tool
US 08622484 B2, Jan. 7, 2014, Rolling or rotatable-type bit mount, Mitchell B. Charlton / Bradken Resources PTY Limited (Mayfield West, NSW, AU)
A tool mount for use on a ground engaging machine, the tool mount comprising…

Method for Introducing a Vertical Shaft and Shaft Driving Machine
US 08534765 B2, Sept. 17, 2013, Machine follows cutter into opening formed thereby, Werner Burger / Herrenknecht AG (Schwanau, DE)
A shaft boring machine for use in boring a vertical shaft, comprising:…

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