Featured patents

Automotive Machine for Producing Carriageways
US 08840191 B2, Sept. 23, 2014, Height adjustment, Thomas Mannebach et al. / Wirtgen GmbH DE
A stabilizer apparatus, comprising:…

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,…

Method for Optimizing a Cutting Process in Road Milling Machines, as Well as Milling Machine for Machining Road Coverings
US 08668274 B2, March 11, 2014, Floor working, Olaf Gaertner et al. / Wirtgen GmbH DE
A method for optimizing a cutting process in a milling machine for machining road…

Milling Drum for a Ground Milling Machine and a Ground Milling Machine
US 08672416 B2, March 18, 2014, Specific mount for fixed projecting cutters, Steffen Wachsmann / BOMAG GmbH (Boppard, DE)
A milling drum for a ground milling machine for grinding and/or removing a ground…

Method and Apparatus for Creating a Planar Cavern
US 08646846 B2, Feb. 11, 2014, Dissolving or chemical reaction, Samuel T. Ariaratnam et al.
A method for forming a planar cavern, comprising:…

Bit Holder Usable in Bit Blocks Having Either of a Cylindrical or Non-Locking Taper Bore
US 08622482 B2, Jan. 7, 2014, Clamped tooth holder or tooth mount, Phillip Sollami
A bit holder for use in road milling, trenching and mining equipment as part…

Machine With Pivotal Connection Between a Frame and a Conveyor
US 08622480 B2, Jan. 7, 2014, With material handling, John Eron Jorgensen et al. / Caterpillar Inc. (Peoria, US)
A machine configured to travel across a surface, comprising:…

Longwall Mining Roof Supports
US 08590982 B2, Nov. 26, 2013, With mine roof-supporting means, John Holme / Joy MM Delaware, Inc. (Wilmington, US)
A face end roof support including…

Bit Replacing Device for Excavating Machine
US 08540319 B2, Sept. 24, 2013, Machine follows cutter into opening formed thereby, Yasuharu Hanaoka / Hitachi Zosen Corporation (Osaka, JP)
A bit replacing unit for an excavating machine, in which the excavating machine…

System for Spraying Water to Reduce Dust While Drilling in a Mine Tunnel
US 08491061 B2, July 23, 2013, Mine safety, Michel Bernard Breault
A system for providing a temporary, moveable, water spray within the digging area…

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