| Patents for E21C 47 - Machines for obtaining, or the removal of, materials in open-pit mines (773) |
|---|
| 08/16/2007 | DE102006001907B3 Combined open cast mining excavator and conveyer belt crawler has central portal linked on both sides by telescopic arms to cantilevered bridge |
| 08/16/2007 | DE102005038168B4 Verfahren und Vorrichtung zur Erneuerung der Zugbandköpfe einer Abraumförderbrücke Method and apparatus for renewal of Zugbandköpfe an overburden conveyor bridge |
| 08/08/2007 | CN101012749A Mine quarrying machine |
| 07/26/2007 | DE19814053B4 Vorrichtung zum Abfräsen von Bodenflächen, insbesondere Fahrbahnen Apparatus for stripping off the ground surfaces, in particular roadways |
| 07/12/2007 | WO2007076571A1 Waste disposal during pit mining |
| 07/12/2007 | CA2634961A1 Waste disposal during pit mining |
| 07/04/2007 | CN2918732Y 矿山采石机 Mining quarrying machines |
| 06/20/2007 | EP1796842A2 Method and apparatus for open pit bench mining |
| 06/06/2007 | CN2908782Y Mining conveyor |
| 04/25/2007 | EP1776298A1 Conveyor belt and conveyor comprising said belt |
| 04/25/2007 | CN2893147Y Pneumatic pushing bag |
| 04/19/2007 | DE202007002403U1 Antrieb für die Grabtrommel eines Tagebaugewinnungsgerätes Drive for the grave of a drum surface mining equipment |
| 04/11/2007 | CN2888073Y Pneumatic top-push bag for exploitation of stone mines |
| 03/22/2007 | WO2007032749A1 Apparatus for separating the marble blocks from the main rock and for laying |
| 03/08/2007 | DE10145873B4 Vorrichtung zum Erkennen der Lageabweichung von zwei zu einer mobilen Förderbrücke gehörenden Sektionen zueinander An apparatus for detecting the position deviation of two belonging to a mobile bridge conveyor sections to each other |
| 02/22/2007 | DE102005038168A1 Strap head replacement method for conveyor bridge in coal opencast mining, involves welding strap head to ball at swiveling frame, where frame is set in reverse order for retaining actual function of supporting force on ball |
| 01/11/2007 | US20070006492 Dragline bucket rigging and control apparatus |
| 01/03/2007 | CN2854215Y Speed-transformation for quarrying machine |
| 01/03/2007 | CN1888391A Fast spoil disposal slope protection and ecological recovery open-pit mining technology |
| 12/26/2006 | US7152349 Dragline bucket rigging and control apparatus |
| 12/21/2006 | DE102005039067B3 Conveyer belt assembly for copper ore stockpile in a leach production system has base section and intermediate standard extensions feeding head transfer unit |
| 11/30/2006 | US20060265914 Work machine having boundary tracking system |
| 11/08/2006 | CN2835557Y Self-walking rock cutter for quarry |
| 10/04/2006 | CN2823557Y Hydraulic rock quarrying machine |
| 09/28/2006 | DE102005012601A1 Bearing arrangement, especially for large bearing, including bearing housing with closeable channel and removable cover, useful for metallurgical vessels, especially steel converters, and for mining equipment and stone breakers |
| 09/27/2006 | CN2821289Y Speed changing driving mechanism for mine quarrying machine |
| 09/27/2006 | CN2821160Y Transversely moving quarrying machine |
| 08/23/2006 | EP1692369A1 Apparatus for separating marble blocks from the main rock and for laying said blocks |
| 08/16/2006 | CN2806763Y Large-block large-output vibrating ore-drawing machine |
| 08/09/2006 | CN2804386Y Stand type crossbar translation quarrying machine |
| 07/12/2006 | CN1800579A Rock gadding machine |
| 07/05/2006 | CN2793328Y Cross-sliding quarry machine |
| 06/28/2006 | CN2791250Y Heavy vibration drawing machine for ores |
| 06/07/2006 | CN2786278Y Quarrying machine for mine |
| 03/29/2006 | CN2767662Y Quarrying machine |
| 03/29/2006 | CN2767661Y Axial regulating device for saw bit of quarrying machine |
| 03/09/2006 | WO2006024097A1 Haulage system for pit mining |
| 03/08/2006 | CN2763512Y Saw face drawing expansion type stone exploitation device |
| 02/09/2006 | DE102004010490B4 Mining device for continuous surface miner, has milling base plate to which profile plates are attached in specific order, spacer rings attached between profile plates, and chisels directly assembled in profile plates |
| 02/02/2006 | DE102004033934A1 Blade wheel excavator has which in radial plan view from outside on blade wheel in cutting direction are arranged on chisel carriers in forwards and outwards orientated sequence in relation to one another |
| 02/01/2006 | CN1727639A Mining and driving method combined splitter with hydraulic breaking hammer |
| 02/01/2006 | CN1727638A Technique for mining specified dimension stone in stone quarry directly and cutting apparatus |
| 01/24/2006 | US6988775 Scrapping method of building and scrapping machine |
| 01/12/2006 | DE202005017316U1 Belt cantilever for endless belt conveyor, has elongated hole shaped circular arc guides, which are designed in such a way that guides are open-ended at lower side of sidewalls, and detachable locking units fitted before open ends |
| 12/29/2005 | WO2005123552A1 Conveyor belt and conveyor comprising said belt |
| 12/08/2005 | DE202005013204U1 Copper ore conveyer belt assembly consists of segments mounted on tracked vehicles moving on uppermost leach pad |
| 11/02/2005 | CN2737948Y Mine barren material quarrying apparatus |
| 09/27/2005 | US6948779 Cutting roller for a continuously operating surface miner |
| 09/22/2005 | DE102004010490A1 Mining device for continuous surface miner, has milling base plate to which profile plates are attached in specific order, spacer rings attached between profile plates, and chisels directly assembled in profile plates |
| 08/30/2005 | US6935443 Mini disk bit |
| 07/13/2005 | CN2709652Y Hand hydraulic rock rupturing knife |
| 05/12/2005 | WO2005042922A1 Apparatus for separating marble blocks from the main rock and for laying said blocks |
| 03/23/2005 | CN2687338Y 矿山采石机 Mining quarrying machines |
| 03/23/2005 | CN1194158C Quick timing low temperature static stone breaking agent |
| 03/22/2005 | US6870485 Electronic method and apparatus for detecting and reporting dislocation of heavy mining equipment |
| 03/09/2005 | CN2683850Y Mine stone non-blast quarrying machine |
| 02/16/2005 | CN1580490A Open production method for lake bottom copper mine |
| 09/15/2004 | CN2641288Y Vibration type drawing ore machine |
| 09/01/2004 | CN1164837C Dragline, bucket rigging and control system thereof |
| 07/14/2004 | CN2625579Y Stone horizontal directional blasting pipe |
| 07/01/2004 | US20040124691 Cutting roller for a continuously operating surface miner |
| 06/09/2004 | CN1153002C Method for piping-type and collection in river, shifting silt from reservoir and treating river and desert |
| 04/28/2004 | CN2613588Y Equipment for quarry stone |
| 04/27/2004 | CA2054919C Drill string component |
| 03/10/2004 | CN2606179Y Shale cutting and pulverizing apparatus |
| 12/17/2003 | CN2592872Y Quarrying machine for mine |
| 12/04/2003 | DE10245394C1 Cutting roller for continuous open-cast mining device has mini-disc cutters fitted along counter-rotating transport screws extending between each end of roller mantle and its centre |
| 08/28/2003 | US20030159626 Article for manufacturing of marble concrete and process for making same which produces a product of high strength and durability |
| 07/30/2003 | CN2563309Y Ladder type vertical mining device |
| 06/19/2003 | US20030112153 Electronic method and apparatus for detecting and reporting dislocation of heavy mining equipment |
| 06/05/2003 | WO2003045651A1 Gang saw provided with endless flexible working elements |
| 06/05/2003 | DE10158603C1 Mini-Diskmeissel Mini-Diskmeissel |
| 05/29/2003 | US20030098182 Mini disk bit |
| 05/15/2003 | DE19931969C2 Mittel zur Reduzierung der Verluste bei der Aufnahme und Zwischenförderung gelösten Gutes für ein Tagebaugewinnungsgerät Means of reducing the losses in the admission and intermediate transport dissolved good for a surface mining equipment |
| 04/15/2003 | US6547336 Open cast mining device and apparatus for testing the cutting minability of critical material |
| 04/02/2003 | CN2542829Y Flame stone cutter for mine |
| 04/02/2003 | CN1407194A Quick timing low temperature static stone breaking agent |
| 03/12/2003 | CN1402806A Dragline bucket rigging and control apparatus |
| 09/25/2002 | CN2512909Y Stone quarrying machine in mine |
| 09/04/2002 | CN2509321Y Hydraulic rock cracking apparatus |
| 08/21/2002 | CN2506771Y Moving type quarring machine |
| 06/12/2002 | CN1353237A Method for piping-type sand collection in river, shifting silt from reservoir and treating river and desert |
| 05/02/2002 | WO2002034490A1 Machine tool provided with an endless flexible operating element |
| 01/31/2002 | DE10035250A1 Paddle wheel device for breaking up clods in stored bulk goods, comprises obstacle located next to wheel to act as percussion tool |
| 01/08/2002 | US6336684 Control system for overburden discharge |
| 01/02/2002 | CN2469180Y Metal jetting splitter |
| 12/26/2001 | CN2467795Y Machine for quarrying stone in open-pit mine |
| 11/21/2001 | CN2460282Y Mine building stone cutting machine |
| 11/08/2001 | US20010038236 Open cast mining device and apparatus for testing the cutting minability of critical material |
| 09/26/2001 | CN2450386Y Hydraulic quarrying machine |
| 09/20/2001 | DE10019748C1 Device, to test ability to cut and mine critical material, has two-track running gear, frame with drive assembly, control platform and horizontal cutting roller connected to conveyor |
| 09/19/2001 | CN1313452A Mechanical rock quarrying method |
| 09/12/2001 | CN2447520Y Hydraulic stone expander |
| 09/12/2001 | CN1312424A 采石机 Quarrying machines |
| 08/21/2001 | US6276758 Surface miner with tilting superstructure for depth control |
| 08/15/2001 | CN1308164A Overhead cantilever mine excavator |
| 08/07/2001 | CA2333835A1 Overhead boom mining shovel |
| 07/04/2001 | CN2437856Y Bulldozer for quarrying shale powder |
| 05/16/2001 | CN1065946C Splitting method for quarrying stone material and its splitter |
| 05/10/2001 | WO2001032994A1 Dragline bucket rigging and control apparatus |