| Patents for E21C 35 - Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or (6,127) |
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| 08/19/2009 | CN101509376A Integral conical pick and method for producing the same |
| 08/19/2009 | CN101509375A Inlaid diamond-cemented carbide strong wear resistant pick and producing technique thereof |
| 08/19/2009 | CN101509374A Ground follow-up type cable reel installation for mining dredger |
| 08/13/2009 | US20090200857 Manually Rotatable Tool |
| 08/13/2009 | US20090200856 Methods and systems for raising and lowering a rig mast and substructure by remote control |
| 08/13/2009 | US20090200855 Manually Rotatable Tool |
| 08/12/2009 | CN201288565Y Blade for cantilevered type digging machine |
| 08/12/2009 | CN201288564Y Traction hook for cantilever type digging machine |
| 08/12/2009 | CN201288563Y Conveyer apparatus for cantilever type digging machine |
| 08/12/2009 | CN201288562Y Multipath valve rack for digging machine |
| 08/12/2009 | CN201288558Y Connecting apparatus for digging machine |
| 08/12/2009 | CN201288557Y Digging head for cantilevered type digging machine |
| 08/12/2009 | CN201288552Y Cantilever for cantilevered type digging machine |
| 08/06/2009 | DE102008001089B3 Schneidkopfgrundkörper sowie Schneidkopf für eine Vortriebs- oder Gewinnungsmaschine und Verfahren zu deren Herstellung Cutter head body and cutting head for a heading or extraction machine and process for their preparation |
| 08/04/2009 | US7568770 Superhard composite material bonded to a steel body |
| 07/30/2009 | WO2009092535A1 Connector device for trough pans on mining equipment trough pan and assembly component for the same |
| 07/30/2009 | WO2009092149A1 Method, system and media for wireless process control of mobile equipment |
| 07/30/2009 | DE102008005740A1 Anschlussvorrichtung für einen Rinnenschuss von Gewinnungseinrichtungen, Rinnenschuss und Anbauteil hierfür Connection device for a trough pan of recovery equipment, trough pan and attachment therefor |
| 07/30/2009 | CA2706629A1 Method, system and media for wireless process control of mobile equipment |
| 07/29/2009 | CN201280935Y Dust removing apparatus for development machine |
| 07/29/2009 | CN201280934Y Unloading buffer device for loading machine |
| 07/29/2009 | CN201280933Y Scraper bucket machine with safety protection device |
| 07/29/2009 | CN100519988C Mining machine and mining method |
| 07/22/2009 | EP1880084A4 Cutting tool holding apparatus and method of use |
| 07/22/2009 | CN201277035Y Blade type cantilever conveyer |
| 07/22/2009 | CN201277034Y Coal/rock universal tool |
| 07/22/2009 | CN101490365A A shearer loader for underground mining comprising a spray system |
| 07/15/2009 | CN101482016A High-performance diamond composite cutter bit |
| 07/08/2009 | CN201269105Y Dust removing apparatus of dintheader |
| 07/08/2009 | CN101476465A Inner-atomizing development machine |
| 07/01/2009 | EP2074285A2 Cutting bit body and method for making the same |
| 07/01/2009 | CN201265418Y Automatic positioning and cutting system of development machine |
| 07/01/2009 | CN201265417Y Block-resistant nozzle |
| 07/01/2009 | CN201265416Y Scraper bucket connection device of scraper bucket rock loader |
| 07/01/2009 | CN101469611A Remote control system for development machine |
| 06/25/2009 | US20090160238 Retention for Holder Shank |
| 06/25/2009 | US20090160237 Circular-Shank Tool Comprising a Tool Holder |
| 06/24/2009 | CN201262087Y Dumbbell for coal planer carriage ledge coupling |
| 06/24/2009 | CN201262086Y High abrasion-proof diamond composite cutter bit |
| 06/24/2009 | CN201262085Y Inner-atomizing water-feeding rotary seal structure |
| 06/24/2009 | CN101463723A Water supply mechanism for cutter head shaft of development machine |
| 06/17/2009 | EP2069608A2 Rotatable cutting tool and cutting tool body |
| 06/17/2009 | CN201258742Y Negative-pressure dust removing wind pipe device for development machine |
| 06/17/2009 | CN201258741Y Negative-pressure dust removing turning device for development machine |
| 06/17/2009 | CN201258740Y Chute for first conveyor of development machine |
| 06/17/2009 | CN101457644A Production process method of dual metal pick |
| 06/17/2009 | CN101457643A Subsection composite pick-shaped mining pick |
| 06/17/2009 | CN101457642A Anti-skid stopper for coal machine |
| 06/16/2009 | US7547075 Fixing device for a shank chisel |
| 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 | WO2009052938A3 Extraction system for mineral extraction and retaining device for a sensor system therefor |
| 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 |
| 06/10/2009 | CN101451435A Mineral cutter system |
| 06/03/2009 | EP2065558A2 Device for extracting a quick-change tool holder |
| 06/03/2009 | CN101446199A Impregnated diamond compact strong wear resistance pick and manufacture process thereof |
| 05/30/2009 | CA2644627A1 Device for extracting a quick-change tool holder |
| 05/27/2009 | CN201246165Y Machine-mounted dust removing apparatus of cantilevered development machine |
| 05/26/2009 | US7537288 Tool holding device |
| 05/20/2009 | EP2060375A1 Construction machine |
| 05/20/2009 | DE20221925U1 Schrämwerkzeug Schrämwerkzeug |
| 05/20/2009 | DE102008041699A1 Hybrid-Halterungshülse für ein in einen Block eingesetztes Werkzeug Hybrid mounting sleeve for use of a block in a tool |
| 05/20/2009 | CN101438028A Cutting tool and method of assembling the cutting tool |
| 05/13/2009 | CN201236707Y Cutting pick holder used for tumbling cylinder of coal mining machine |
| 05/13/2009 | CN201236706Y Temporary support apparatus for digging tunnel |
| 05/12/2009 | US7530642 Cutting bit with split wear ring and method of making same |
| 05/12/2009 | CA2408970C Cutting tool and method of using same |
| 05/09/2009 | CA2640018A1 Method and apparatus for processing a sized ore feed |
| 05/07/2009 | WO2009056227A1 Shank chisel |
| 05/07/2009 | DE102007051911A1 Schaftmeißel Studcutter |
| 05/06/2009 | CN201232552Y Ratchet shaped coal cutter pick |
| 05/06/2009 | CN201232551Y Shovel plate oil cylinder floating protection arrangement for development machine |
| 04/30/2009 | WO2009053903A2 A pick body |
| 04/30/2009 | US20090108664 Tool Holder Sleeve |
| 04/30/2009 | DE202009001814U1 Fräszahn für eine Schlitzwandfräse Cutting tooth for a trench cutter |
| 04/29/2009 | EP2053198A1 A pick body |
| 04/29/2009 | EP2052129A1 A shearer loader for underground mining comprising a spray system |
| 04/29/2009 | CN201228550Y Lower chain channel sweeper for sliding rack of plough |
| 04/29/2009 | CN201228549Y Mining cemented carbide drill tooth and pick and drill using the same |
| 04/29/2009 | CN201228548Y Rotating flow distribution device |
| 04/29/2009 | CN201228546Y Height-adjusting device for head of plough |
| 04/29/2009 | CN101418688A Intelligent full automatic combine coal mining system |
| 04/29/2009 | CN101418686A Coal mining and engineering pick |
| 04/23/2009 | DE19983830B4 Schneidvorrichtung Cutter |
| 04/22/2009 | EP2049769A2 Thick pointed superhard material |
| 04/22/2009 | CN201225157Y Ternary common seeping microalloy coal cutter cutting bit |
| 04/22/2009 | CN201225156Y Guide rail special for drilling equipment |
| 04/22/2009 | CN101413391A Rotary cutting pick |
| 04/22/2009 | CN101413390A Inner atomizing inlet rotary seal structure |
| 04/21/2009 | US7520570 Tool extraction system for rotary cutter device |
| 04/15/2009 | EP2048323A1 Tool holding device |
| 04/15/2009 | CN201221361Y Connecting downhole fully-mechanized mining and digging machine wind and water mixed spraying apparatus |
| 04/15/2009 | CN201221360Y High abrasion-proof diamond composite cutter bit |
| 04/15/2009 | CN201221359Y High abrasion-proof composite cutter bit |
| 04/09/2009 | DE102008049939A1 Mineralschneidsystem Mineral Cutting System |
| 04/08/2009 | CN201218101Y Abrasion-proof laser intensified cutter bit |
| 04/08/2009 | CN201218100Y Cutter bit |
| 04/08/2009 | CN201218099Y Rotating cutter bit of coal mining machine |