| Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758) |
|---|
| 01/07/1998 | EP0752069A4 Bracket for suspending a chain |
| 01/06/1998 | CA2120675C Cavern well pressure trap |
| 12/11/1997 | WO1997046795A1 Mobile overhead power/communication distribution system |
| 11/15/1997 | CA2176516A1 Anchor eye-bolt for mine roof |
| 10/02/1997 | DE19616702A1 Supply and disposal unit with multi-component resin |
| 09/16/1997 | US5668325 In an underground excavation |
| 09/03/1997 | EP0607300A4 Support device for services. |
| 08/28/1997 | DE19607269A1 Robust electrical enclosure e.g. for floor-travelling production machines in mines |
| 08/14/1997 | DE19604396A1 Chain connecting component |
| 08/13/1997 | EP0788844A1 Method for vertical displacement of masses, in particular soil masses and device therefor |
| 08/13/1997 | CN1157021A Energy supply train for underground mining |
| 07/24/1997 | DE19601452A1 Electricity and water supply method to material extraction mining machine |
| 06/25/1997 | CN2256932Y Warning device for coal mine |
| 06/11/1997 | EP0777816A1 Energy supply train for underground mining |
| 06/05/1997 | DE19636044A1 Underground support crossbar holed in centre part for bolts |
| 05/21/1997 | EP0774107A1 Expansion foam borehole plug and method |
| 05/21/1997 | CN2254480Y Inspection apparatus for water diversion tunnel of larger water power station |
| 04/10/1997 | DE19537100A1 Hanging device for underground works |
| 03/27/1997 | DE19628687A1 Cross-tie rod for hanging loads on profiles |
| 02/20/1997 | WO1997006536A1 Underground storage facility, and associated method of storing waste |
| 02/13/1997 | DE19529357A1 Unterirdisches Zwischenlager sowie Verfahren zum Zwischenlagern von Abfall Underground interim storage as well as procedures for temporary storage of waste |
| 01/08/1997 | EP0752069A1 Bracket for suspending a chain |
| 12/27/1996 | WO1996041932A1 Method of roof control in an underground mine |
| 12/27/1996 | CA2224207A1 Method of roof control in an underground mine |
| 12/12/1996 | WO1996039610A1 A system for monitoring an earth and/or rock body |
| 12/12/1996 | CA2221492A1 A system for monitoring an earth and/or rock body |
| 11/06/1996 | EP0740738A1 Apparatus for the passive support of overhead solids and support of services |
| 11/06/1996 | CN2239567Y Combined methane alarming miner's lamp |
| 10/02/1996 | DE19511615A1 Multipart, profile gripping claw anchor for roadway support in mines and tunnel driving |
| 10/02/1996 | CN2236545Y multifunctional signal controller for conveying gallery |
| 09/17/1996 | CA2062543C Cable bolt monitoring device |
| 09/03/1996 | US5552088 Non-ozone depleting malodorous composition of matter and warning system |
| 08/21/1996 | CN1032602C Black-case for mine |
| 07/31/1996 | EP0723623A1 Horizontal natural gas storage caverns and methods for producing same |
| 04/30/1996 | US5511429 Method and system for measuring three-dimensional displacement |
| 04/25/1996 | DE19500958A1 Method of planning gas pockets in tectonic salt deposits |
| 04/04/1996 | DE4434759A1 Sealing of hollow zones in salt mines |
| 03/14/1996 | WO1996007814A1 Energy supply train for underground mining |
| 03/12/1996 | US5497829 Expansion foam borehole plug and method |
| 03/07/1996 | DE4431523A1 Untertägiger Energiezug Under-day power-supply |
| 02/21/1996 | CN2220531Y Safety multifunction test instrument for coal mine pit |
| 02/21/1996 | CN1117113A Crossdrift coal-cutting dynamic phenomenon predicting method and apparatus |
| 01/11/1996 | DE4421999A1 Packing material for use in salt and/or potash mines |
| 01/11/1996 | DE4421998A1 Packing material for filling mines to prevent subsidence |
| 12/12/1995 | US5474274 Coupling and load support for suspending a load from the head of a coal mine roof bolt |
| 12/06/1995 | CN2214527Y Mine human body safety monitor |
| 11/23/1995 | DE4437840C1 Device for suspending loads from mine=walling section |
| 09/14/1995 | WO1995024567A1 Bracket for suspending a chain |
| 08/10/1995 | DE4403362A1 Profile surrounding multipart anchor for gallery support |
| 08/03/1995 | WO1995020718A1 Apparatus for the passive support of overhead solids and support of services |
| 08/03/1995 | CA2182172A1 Apparatus for the passive support of overhead solids and support of services |
| 07/12/1995 | EP0662544A1 Roadbed profiler |
| 07/11/1995 | US5431482 Horizontal natural gas storage caverns and methods for producing same |
| 06/21/1995 | CN2201486Y Mine slope well cart escaping-proof control mechanism |
| 06/14/1995 | EP0657621A1 Method and system for measuring three-dimensional displacement |
| 05/26/1995 | WO1995014208A1 Expansion foam borehole plug and method |
| 05/11/1995 | CA2135354A1 Device for lifting and alignment of nets in rock reinforcement |
| 04/20/1995 | WO1995010689A1 Horizontal natural gas storage caverns and methods for producing same |
| 04/20/1995 | CA2174092A1 Horizontal natural gas storage caverns and methods for producing same |
| 04/06/1995 | DE4412036A1 Section-enclosing, multi-piece articulated anchor for roadway support in mining and tunnelling |
| 03/28/1995 | US5401120 Pumpable mine seal |
| 03/21/1995 | CA1334793C High-load underground dam |
| 02/21/1995 | US5390983 Roadbed profiler and method of profiling |
| 02/09/1995 | DE4403195C1 Suspension device |
| 01/31/1995 | US5385504 Permanent ventilation seal |
| 01/17/1995 | US5381690 Method and apparatus for measuring three dimensional stress in rock surrounding a borehole |
| 12/28/1994 | CN1096846A Coal mine gas monitoring and controlling system |
| 12/22/1994 | DE4320279A1 Section-enclosing, multi-part anchor for roadway support in mining and tunnelling |
| 11/17/1994 | DE4330096C1 Advancing mechanism |
| 11/09/1994 | CN2182263Y Safety electronic signaling machine for mine use |
| 09/07/1994 | CN2176433Y Electronic explosion-proof signaller |
| 09/07/1994 | CN1091809A Multifunctional selecting elevator signal system with digital coding |
| 09/01/1994 | WO1994019580A1 Hanger bracket |
| 08/10/1994 | CN2173864Y Mine lift counter |
| 07/27/1994 | EP0607300A1 Support device for services |
| 06/15/1994 | CN2169155Y Automatic adding apparatus for liquid proportion |
| 06/01/1994 | CN2167191Y Automatic alarm device for working pressure in well |
| 05/26/1994 | WO1994011613A1 Bulkhead made of inflatable bags for tunnels, buildings or the like |
| 05/19/1994 | DE4238029A1 Decanting station for mining and tunnel construction - has collecting trough made up of individual elements, having run=off groove in centre and floors sloping into it, all attached by connectors |
| 04/13/1994 | CN2161731Y Telecontrol fully automatic magnetic power operating safety door for mine pithead |
| 02/23/1994 | EP0583701A1 Pivotable bracket |
| 02/09/1994 | CN2155431Y Roof spacing layer monitoring alarm |
| 02/08/1994 | US5284107 Cable bolt monitoring device |
| 01/26/1994 | CN1081230A Black box for use in mines |
| 12/09/1993 | DE4224713A1 Hangers for fixing on tunnel supports in mining or tunnelling - comprises traverse with concave deformed middle section to accommodate bulge on base of support and hooks bolted to its rear |
| 12/07/1993 | US5268683 Method of transmitting data from a drillhead |
| 11/24/1993 | CN2147354Y Speed distance amplifier |
| 11/17/1993 | CN2146740Y Computer for control of vehicle carrier detecting |
| 11/10/1993 | CN2145869Y Mining valve |
| 09/22/1993 | CN1022196C Method of conveying data in whole mine |
| 09/17/1993 | CA2063100A1 Hazardous waste disposal method |
| 09/16/1993 | DE4208224A1 Measurement of rock and soil, esp. during tunnelling in unstable material, - involves using measurement head mounted on stable pipe enclosing expanded casing and carrying force measurement cell |
| 09/16/1993 | DE4207698A1 Safety structure to seal off underground face working - includes dike fill across working, with two doors forming inner cavity and acting as formwork for fill |
| 09/01/1993 | CN2141500Y High-reliability gas alarm mine lamp |
| 07/29/1993 | DE4201580A1 Underground storage installation for waste heat energy for re-use in buildings - has disused mine workings bricked up and thermally lined, containing heat exchanger and fluid or solid material |
| 07/06/1993 | CA1319954C2 Long range multiple point wireless control and monitoring system |
| 06/29/1993 | US5222837 Mine roof channel clamp |
| 06/09/1993 | DE4130658A1 Transverse sealing in salt mines in form of masonry bond blocks - comprises compressed salt rubble with small diameter grains and containing at least ninety five per cent sodium chloride. |
| 06/08/1993 | US5217406 Mine ventilation tubing system and method of installation |
| 04/29/1993 | WO1993008371A1 Support device for services |