Featured patents

Drive Mechanism for a Longwall Mining Machine
US 08789892 B2, July 29, 2014, With material-handling means, Edward F. Niederriter et al. / Joy MM Delaware, Inc. (Wilmington, US)
A mining machine for mining along a mining face, the mining machine including…

Bit Arrangement for a Mining Plough, and Mining Plough for Plough Systems
US 08714659 B2, May 6, 2014, Planer, plow, or knife details, Diedrich Bettermann et al. / Caterpiller Global Mining Europe GmbH (Lunen, DE)
A bit arrangement for fastening to a plough-body element of a mining plough…

Mine Refuge
US 08678515 B2, March 25, 2014, Mine safety, John M. Kennedy et al. / Kennedy Metal Products & Buildings, Inc. (Taylorville, US)
A method of pressurizing a chamber of a mine refuge when at least one person…

Reduced Volume Cutting Tip and Cutting Bit Incorporating Same
US 08678517 B2, March 25, 2014, Insert or tip mounting feature, Daniel Mouthaan et al. / Sandvik Intellectual Property AB (Sandviken, SE)
A cutting bit, comprising:…

Heading Machine Having Cutting Unit Made of Disc Tools
US 08690262 B2, April 8, 2014, Shiftable vertically, Peter Kogler et al. / Sandvik Mining and Construction G.m.b.H. (Vienna, AT)
A heading machine, comprising:…

Dual Slotted Holder Body for Removal Tool Access
US 08622483 B2, Jan. 7, 2014, Clamped tooth holder or tooth mount, Phillip Sollami
A bit holder for use in road milling, mining and trenching equipment, said bit…

Manually Rotatable Tool
US 08534767 B2, Sept. 17, 2013, Insert or tip mounting feature, Gary Peterson et al.
A tool assembly, comprising:…

Continuous Surface Mining System
US 08511756 B2, Aug. 20, 2013, With material-handling, Joseph J. Zimmerman et al. / Joy MM Delaware, Inc. (Wilmington, US)
A surface mining system for removing material from a surface mining block,…

Method for Controlling a Cutting Extraction Machine
US 08469455 B2, June 25, 2013, Sidewall working, Reik Winkel et al. / Eickhoff Bergbautechnik GmbH (Bochum, DE)
A method for controlling a cutting extraction machine used in coal mining…

Pick Assembly With Integrated Piston
US 08449039 B2, May 28, 2013, Adjustable tooth, David R. Hall
A pick assembly, comprising:…

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