| 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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| 07/17/2002 | EP1222362A1 Cutting tool for breaking hard material, and a cutting cap therefor |
| 06/26/2002 | EP1216343A1 Device for detachably fixing a rounded-shaft tool into a tool bushing |
| 06/25/2002 | US6409276 Water-jet assisted drum-type mining system |
| 06/20/2002 | WO2002048506A2 Self-propelled remote mining conveyor,method and apparatus therefor |
| 06/20/2002 | US20020074851 Protective wear sleeve having tapered lock and retainer |
| 06/20/2002 | US20020074850 Manually replaceable protective wear sleeve |
| 06/20/2002 | CA2431648A1 Self-propelled remote mining conveyor, method and apparatus therefor |
| 06/19/2002 | EP0819208B1 Pick holder extraction |
| 06/13/2002 | US20020070602 Tool mounting assembly with tungsten carbide insert |
| 06/06/2002 | WO2002009143A3 Ruggedized photomultiplier tube and optical coupling in armored detector |
| 06/06/2002 | US20020066600 Rotary tools or bits |
| 05/30/2002 | WO2002042606A1 Cutting tool assembly with replaceable spray nozzle housing |
| 05/30/2002 | US20020063467 Conical bit penetrator pocket protector for earth displacement equipment |
| 05/30/2002 | US20020062996 Rotary contact structures and cutting elements |
| 05/29/2002 | DE10135792A1 Holder for cutting tool comprises shaft and cavity engaging with holder which has main part, support block and protruding part |
| 05/23/2002 | WO2001073252A3 Rotatable cutting tool |
| 05/21/2002 | US6390352 Method for bonding a tubular part in coaxial relationship with a part having a bore therein |
| 05/09/2002 | US20020053827 Pick box for housing a mineral cutter pick |
| 05/08/2002 | EP1064453B1 Mineral cutting apparatus etc. |
| 05/07/2002 | US6382733 Hydraulically ejectable mineral cutting apparatus |
| 04/30/2002 | US6378952 Tool for a coal cutting, mining or road cutting machine |
| 04/23/2002 | US6375272 Rotatable cutting tool insert |
| 04/18/2002 | WO2002030175A1 Ground-working tools for use in power rakes |
| 04/18/2002 | DE10044369A1 Schnellwechselhaltersystem für Werkzeuge auf Walzen Quick-change toolholder system for tools on rollers |
| 04/17/2002 | EP0960265B1 Cutting toolholder retention system |
| 04/16/2002 | US6371567 Bit holders and bit blocks for road milling, mining and trenching equipment |
| 04/11/2002 | US20020041872 Methods of delaying development of CEA-associated tumors using anti-idiotype antibody 3H1 |
| 04/11/2002 | DE19938361C2 Anordnung zur Bestimmung der Position eines Hobels in einem untertägigen Streb Arrangement for determining the position of a planer in an underground face |
| 04/10/2002 | CN1082606C Appts. for holding cutting bit |
| 04/09/2002 | US6368377 Tungsten carbide nickel-chromium alloy hard member and tools using the same |
| 04/02/2002 | US6364420 Bit and bit holder/block having a predetermined area of failure |
| 03/19/2002 | US6357832 Tool mounting assembly with tungsten carbide insert |
| 03/14/2002 | US20020030400 Armored detector |
| 03/14/2002 | US20020030085 Method for bonding a tubular part in coaxial relationship with a part having a bore therein |
| 03/13/2002 | EP1186744A2 A quick changeable tool holder system for a tool mounted on a drum |
| 03/12/2002 | US6354771 Cutting or breaking tool as well as cutting insert for the latter |
| 03/07/2002 | WO2002018748A1 Mining system |
| 03/07/2002 | DE10062441C1 Preventative monitoring method, for underground coal mining plant, detects actual operating temperature for switching to partial loading or initiating safety cut-out |
| 03/07/2002 | DE10040562A1 Round shaft metal cutting tool has a clamping sleeve around the tool shaft, with openings offset from the holder unit, for easy insertion into the holder and with a long life |
| 03/07/2002 | CA2463048A1 Mining system |
| 03/06/2002 | EP1137863A4 Fixture for a round shank chisel having a wearing protection disk |
| 02/28/2002 | DE19922206C2 Werkzeug für eine Schräm-, Bergbau- oder Straßenfräsmaschine Tool for hewing, mining or road milling machine |
| 02/27/2002 | CN2479213Y Self-moving device for bridge-type elevating conveyor |
| 02/14/2002 | WO2002012677A2 A coal and rock cutting pick |
| 02/14/2002 | DE10133603A1 Meißelkasten als Gehäuse für einen Mineralgestein-Schrämmeißel Chisel box as a housing for a mineral rock-cutter picks |
| 02/13/2002 | CN1335910A Cutting arrangement |
| 02/06/2002 | EP0991848B1 Chisel arrangement for cutting chisels of a tool holder mounted in a rotating manner |
| 01/31/2002 | WO2002009143A2 Ruggedized photomultiplier tube and optical coupling in armored detector |
| 01/31/2002 | DE10036026A1 Round shaft cutter for rotating drum or plate to slit or cut concrete, stone or minerals; has damping elastic, springy element between base body of cutter and holder, to take up recoil |
| 01/29/2002 | US6341823 Rotatable cutting tool with notched radial fins |
| 01/10/2002 | DE10030451A1 Reducing dust emissions involves applying moisturizing medium, e.g. water, from mobile device physically and functionally independent of dusty material extraction or processing machine |
| 12/25/2001 | US6332652 Tunnel excavator with variable pressure water jets |
| 12/19/2001 | EP1163424A1 Cutting tool holder assembly |
| 12/18/2001 | US6331035 Cutting tool holder assembly with press fit |
| 12/12/2001 | EP0912816B1 Cutting control process and device for detecting the depth of cut of kirving tools |
| 12/12/2001 | CN1076071C Cutting tool sleeve rotation limitation system |
| 12/06/2001 | WO2000034626A8 Cutting arrangement |
| 12/05/2001 | EP1159511A1 Chisel holder changing system |
| 12/04/2001 | US6325460 Machine used in connection with underground mining having an operator protective shield |
| 11/27/2001 | CA2229032C Hard composite and method of making the same |
| 11/22/2001 | WO2001088322A1 Cutting tool and method of using same |
| 11/21/2001 | EP1021639B1 A cutting bit assembly for impinging an earth strata |
| 11/06/2001 | US6312504 For purifying dust-containing air, particularly in underground mining and tunnel construction. |
| 11/01/2001 | WO2001081726A1 Mining machine and method |
| 10/31/2001 | EP0877855B1 Diamond coated cutting tool insert and method of making same |
| 10/24/2001 | EP1147289A1 Mounting of a rotatable chisel in mining machinery |
| 10/23/2001 | US6305754 Tunnel excavator with S-shaped soil plate |
| 10/18/2001 | WO2001077490A1 Underground mining sampler |
| 10/18/2001 | WO2000043596A3 Tool with wearing protection element for a street milling, coal-cutting, mining machine or the like |
| 10/18/2001 | DE10030782C1 Rohrvorpresseinrichtung Pipe rough-pressing |
| 10/18/2001 | DE10017086A1 Drill for civil engineering has the chisel bit in a sliding bush contained within the blind opening of a holder to be forced out by fluid between the bush base and the bottom of the opening |
| 10/10/2001 | CA2305960A1 Underground mining sampler |
| 10/04/2001 | WO2001073252A2 Rotatable cutting tool |
| 10/04/2001 | EP1137863A1 Fixture for a round shank chisel having a wearing protection disk |
| 09/20/2001 | WO2001069041A1 Arrangement for determining position of unmanned mining vehicles |
| 09/20/2001 | US20010022464 Mining machine |
| 09/20/2001 | DE10012914A1 Equipment for defined removal of accumulated material in underground mining and tunnel construction recovered by planing or roller loader involves material taken firstly from face |
| 09/13/2001 | WO2001029375A3 Cutting tool and tool holder assembly schneidwerkzeug und werkzeughaltevorrichtung |
| 09/12/2001 | CN1070986C Self-rotating, self-sharpening pick-cutting and cutting method |
| 09/05/2001 | CN1311385A Self moving apparatus for remote control bridge elevating conveyor |
| 09/04/2001 | US6283844 Tool component |
| 08/30/2001 | WO2001063095A1 Dust collection system for a bolting machine |
| 08/29/2001 | EP1127214A1 Rotatable cutting bit and bit washer therefor |
| 08/29/2001 | EP1127213A2 Cutting bit support member with a flange provided with an undercut for removal |
| 08/23/2001 | US20010015573 Method and apparatus for remote self-propelled conveying in mineral deposits |
| 08/22/2001 | CN1309740A Cutting tool retainer |
| 08/07/2001 | US6270165 Cutting tool for breaking hard material, and a cutting cap therefor |
| 08/07/2001 | US6270164 Cutting tooth for earthworking |
| 08/02/2001 | DE10002987A1 Schnitt-Tiefeneinstellung einer Gewinnungseinrichtung im Bergbau Cutting depth setting a recovery device in mining |
| 07/31/2001 | US6267449 Guide arrangement for a drum-type mineral cutting machine |
| 07/31/2001 | US6267211 Drive unit for machinery, especially mining machinery |
| 07/10/2001 | US6257672 Clip for retaining a water spray nozzle within a pick box of a cutting head |
| 07/10/2001 | US6257671 Device for protecting selective cutting machines against overload |
| 07/04/2001 | EP1112414A1 Cutting tool retainer |
| 06/28/2001 | WO2001046556A1 Armored detector |
| 06/26/2001 | US6250535 Method for bonding a tubular part in coaxial relationship with a part having a bore therein |
| 06/19/2001 | US6247759 Cutting tool assembly with replaceable spray nozzle |
| 06/12/2001 | US6244665 Cutting toolholder with recessed groove for cutting tool removal |
| 06/05/2001 | US6243625 Automated quarry operation with communication interface |
| 05/23/2001 | EP0811112B1 Method of cutting and cutting rotative bit |