| Patents for E21C 27 - Machines which completely free the mineral from the seam (1,602) |
|---|
| 10/28/2010 | DE112008003274T5 Brech-oder Grabwerkzeug mit Wolframcarbideinsatz und Ring, materialentfernende Maschine mit solch einem Werkzeug und Verfahren zur Herstellung solch eines Werkzeuges Crushing or grave tool with tungsten carbide insert and ring, material-removing machine with such a tool and method for producing such a tool |
| 10/28/2010 | DE102009003808A1 Meißelanordnung für Gewinnungshobel und Gewinnungshobel für Hobelanlagen Bit assembly for mining plow and plow systems for mining plow |
| 10/28/2010 | DE102009003807A1 Gewinnungshobel für Hobelanlagen und Hobelanlage für geneigte Lagerung Mining plow for planer mills and planing machine for inclined storage |
| 10/28/2010 | CA2758021A1 Bit arrangement for a mining plough, and mining plough for plough systems |
| 10/28/2010 | CA2758020A1 Mining plough for plough systems and plough system for inclined formation |
| 10/27/2010 | CN101874146A Carriage for a recovery plough |
| 10/13/2010 | CN201606074U 一种刨煤机刨头加高块锁紧机构 One kind Plow planing head heightening block locking mechanism |
| 10/06/2010 | EP2235325A2 Roof cutter holder adjustment device and securing element therefor |
| 09/30/2010 | WO2010109502A1 Multifunction tool |
| 09/29/2010 | CN201593422U Arc cycling ploughing/conveying machine |
| 09/23/2010 | US20100237684 Core Breaker With Dust Suppression System |
| 09/23/2010 | US20100237682 Loading arm with wear resistant end, mining equipment using the arm, and method of use |
| 09/23/2010 | US20100237681 Mining Machine, In Particular Surface Miner, As Well As Method For The Removal And Installation Of A Transport Device In A Mining Machine |
| 09/16/2010 | US20100231026 Heading machine |
| 09/15/2010 | CN201581894U Small cantilever-type tunneling machine |
| 09/15/2010 | CN101832134A Coal planer and planing chain connecting device thereof |
| 09/08/2010 | CN1834404B Plough guide for a chain-pulled plough |
| 09/01/2010 | CN201568055U Coal drilling machine |
| 08/12/2010 | DE102004059943B4 Vortriebs- oder Gewinnungsmaschine mit Ankerbohr- und -setzeinrichtungen Heading or extraction machine with anchor drilling and setting devices |
| 07/28/2010 | CN101787886A Coal mine machinery and transmission system thereof |
| 07/21/2010 | EP2208856A2 Longitudinal cutting head for heading or mining machines |
| 07/08/2010 | WO2010050872A9 Method and device for working rock |
| 07/01/2010 | WO2010048650A3 Heading or extraction machine |
| 07/01/2010 | US20100164274 Shield Machine |
| 06/23/2010 | CN201513177U Roadway rock scrabbling machine |
| 06/17/2010 | US20100148567 Temporary power equipment transport system for moving mining equipment and method of use |
| 06/17/2010 | DE202009000787U1 Hobel für die untertägige Gewinnung und Führungselemente hierfür Planing this for underground mining and guides |
| 06/16/2010 | CN201507309U WK-4 type excavator rotary center pivot |
| 06/16/2010 | CN1637230B Tool carrier for planer tool of coal picking machine |
| 06/16/2010 | CN101737050A Deep hole arranging method in mining |
| 06/09/2010 | CN201502375U Impacting-cutting disc for transmitting impact power directly by using spring |
| 06/02/2010 | CN1550429B Wing type hook connection device |
| 05/26/2010 | CN1641186B Coal digging machine for underground mining |
| 05/19/2010 | CN101111662B Device for milling rock and method for milling rock or the like using said device |
| 05/19/2010 | CN101109282B Tunneling machine |
| 05/13/2010 | US20100117439 Device for determining the cutting horizon of a mining extraction system, and pan element therefor |
| 05/12/2010 | CN201460894U Piston guiding sleeve mechanism of hydraulic rock drill |
| 05/12/2010 | CN1646788B Oscillating disc cutter with speed controlling bearings |
| 05/12/2010 | CN101705820A coal drilling machine |
| 05/11/2010 | CA2572633C Method and apparatus for forming cracks in concrete |
| 05/06/2010 | WO2010050872A1 Method and device for working rock |
| 05/06/2010 | DE102008053133A1 Method for automatic production of defined face opening in plow operation in coal mining, involves maintaining height adjustment of plane for place-synchronous analysis, and providing plane at position at time point of height adjustment |
| 05/06/2010 | CA2740014A1 Method and device for working rock |
| 05/05/2010 | CN101065542B Method and apparatus for forming cracks in concrete |
| 04/28/2010 | EP1664672B1 Geosteering detectors for boring-type continuous miners |
| 04/22/2010 | DE112008000670T5 Einrichtung zur Ermittlung des Schnitthorizonts einer Bergbaugewinnungsanlage und Rinnenelement hierfür Means for detecting the cutting horizon of a mining recovery plant and gutter member of this |
| 04/14/2010 | CN201437728U Forced reversing feed gear for planer head of coal planer |
| 04/13/2010 | US7695072 Boom arrangement for a scaling device and scaling device |
| 03/30/2010 | US7686400 Geosteering detectors for rotary-type continuous miners |
| 03/18/2010 | WO2010028953A1 Attachment cutting system having cutting heads and a cutter chain |
| 03/18/2010 | CA2804420A1 Vibratory milling machine having linear reciprocating motion |
| 03/17/2010 | CN100594290C Mine machinery with detachable guide part and guide part for it |
| 03/16/2010 | US7677674 Cutting machine |
| 03/04/2010 | US20100052405 Base for a Drilling Device |
| 03/04/2010 | DE10393218B4 Vorrichtung zur Erzeugung eines Gas-Flüssigkeits-Gemisches im Bereich von Schrämwerkzeugen Device for generating a gas-liquid mixture in the range of Schrämwerkzeugen |
| 01/28/2010 | DE202009014479U1 Kohlenhobel mit Firstmeißel Coal plow with roof cutter |
| 01/27/2010 | CN201391319Y Box-type mine guard board |
| 01/07/2010 | US20100001574 Method and apparatus for the milling cutting of materials |
| 01/06/2010 | CN100577985C Shortwall mining forklift in underground mine |
| 01/05/2010 | US7641286 Plough guide for a chain-pulled plough |
| 12/31/2009 | US20090322143 Cutter insert gum modification method and apparatus |
| 12/31/2009 | US20090322142 Rock sampling apparatus |
| 12/09/2009 | CN201358785Y Connecting sleeve for steel drill rod |
| 12/09/2009 | CN100567701C Coal mining and digging machine |
| 12/03/2009 | WO2009146467A1 Mining machine and method of mining |
| 12/03/2009 | CA2761054A1 Mining machine and method of mining |
| 12/02/2009 | CN100564801C Coal plough guide device for chain hauled shearer |
| 12/02/2009 | CN100564800C Chain guide structure of mining machine |
| 12/02/2009 | CN100564799C Tool carrier for planer tool of coal picking machine and coal cutter and coal picking machine planer tool |
| 10/20/2009 | CA2583523C Method and system for mining hydrocarbon-containing materials |
| 10/14/2009 | EP2108783A2 Cutting head base body and cutting head for a heading or a shearing machine and method for their production |
| 10/13/2009 | US7600822 Method for the mining of coal and coal planer installation |
| 09/24/2009 | WO2009087078A3 Roof cutter holder adjustment device and securing element therefor |
| 09/23/2009 | CN201314234Y Drill tool quick handling device for coal augers |
| 09/11/2009 | WO2009062217A3 Advancing machine |
| 09/09/2009 | CN100538009C Device for producing a gas-liquid mixture in the vicinity of cutting tools |
| 09/01/2009 | CA2583513C Method and system for mining hydrocarbon-containing materials |
| 08/27/2009 | US20090212216 Mining methods and apparatus |
| 08/19/2009 | CN101512101A Method and apparatus for the milling cutting of materials |
| 08/18/2009 | US7575284 Mining plow |
| 08/12/2009 | CN201288556Y Cantilevered type digging machine with bi-directional digging head |
| 07/28/2009 | CA2484394C Rock cutting machine |
| 07/16/2009 | WO2009087078A2 Roof cutter holder adjustment device and securing element therefor |
| 07/08/2009 | CN201269104Y Drill rod of hydraulic breaking hammer |
| 06/24/2009 | CN100504027C Planing type trackless coal getting machine |
| 06/11/2009 | WO2009072959A1 Breaking or excavating tool with cemented tungsten carbide insert and ring, material removing machine incorporating such a tool and method of manufacturing such a tool |
| 06/11/2009 | WO2009072958A1 Breaking or excavating tool with cemented tungsten carbide insert and ring, material removing machine incorporating such a tool and method of manufacturing such a tool |
| 06/11/2009 | CA2707262A1 Breaking or excavating tool with cemented tungsten carbide insert and ring, material removing machine incorporating such a tool and method of manufacturing such a tool |
| 06/11/2009 | CA2706967A1 Breaking or excavating tool with cemented tungsten carbide insert and ring, material removing machine incorporating such a tool and method of manufacturing such a tool |
| 06/10/2009 | DE202008005609U1 Kettenführung für eine Antriebskette einer Bergbaumaschine Chain guide for a drive chain of a mining machine |
| 05/28/2009 | US20090133987 Method and apparatus for processing a sized ore feed |
| 05/22/2009 | WO2009062218A1 Advancing machine |
| 05/22/2009 | WO2009062217A2 Advancing machine |
| 05/22/2009 | CA2705843A1 Heading machine |
| 05/22/2009 | CA2705842A1 Heading machine |
| 05/20/2009 | CN201241615Y Buffering oil pad structure of hydraulic rock drill |
| 05/14/2009 | WO2009059724A1 Carriage for a recovery plough |
| 05/13/2009 | EP2057348A1 Method and apparatus for the milling cutting of materials |
| 05/07/2009 | DE102007053206A1 Traction sledge for an underground extraction slicer/plough has a body inserted into a recess in the body of an underground extraction slicer/plough, a front part on the back of a guiding notch and a damping/attenuating device |
| 04/29/2009 | EP1763612A4 Method and apparatus for forming cracks in concrete |