| Patents for E21F 17 - Methods or devices for use in mines or tunnels, not covered elsewhere (4,758) |
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| 08/24/2005 | CN1658409A Intrinsically-safe battery power supply for underground mining |
| 08/18/2005 | DE102004002111A1 Piezoelektrische Aktoreinheit für den Bergbau Piezoelectric actuator for mining |
| 08/11/2005 | WO2005072393A2 Pipe and tube support |
| 08/10/2005 | CN2716508Y Normally closed anti-slip and pedestrian safety control device for inclined shaft |
| 08/04/2005 | WO2004063621A3 Distributed natural gas storage system(s) using oil & gas & other well(s) |
| 08/03/2005 | CN2714809Y Tunnel cleaning vehicle |
| 07/28/2005 | US20050163561 Adjustable pipe clamp assembly |
| 07/28/2005 | CA2551790A1 Arrangement for data transmission in mine, and cable reel |
| 07/20/2005 | CN2711390Y Monitoring commanding device for disaster dealing of mine |
| 07/20/2005 | CN1643235A Sheet metal cable hook |
| 07/20/2005 | CN1641990A Piezoelectric actuator unit for mining |
| 07/14/2005 | US20050151445 Piezoelectric actuator unit |
| 07/13/2005 | CN1210544C Method and device for detecting persons existing state in mine |
| 07/05/2005 | CA2265402C Door system for a mine stopping |
| 06/28/2005 | CA2262964C Method of sealing off a mine passageway |
| 06/09/2005 | WO2005052515A1 System for determining the position of an underground mining or constructionn vehicle |
| 06/09/2005 | US20050121558 Bracket assembly |
| 06/08/2005 | CN1625643A 安全系统 Security System |
| 06/02/2005 | US20050116121 Mounting device for a cable cup |
| 05/19/2005 | WO2005024415A3 Apparatus for monitoring geotechnical and structural parameters of soils, rocks and structures in general |
| 05/19/2005 | US20050104737 Safety system |
| 05/19/2005 | US20050103961 Sheet metal cable hook |
| 05/19/2005 | DE10346890A1 Hydrostatic measurement method e.g. for continuous recording settlement of building, involves measuring settlement of building by using hydrostatic scales with fluid balance container and fluid cylinder connected to tube |
| 05/19/2005 | DE10346852A1 Brennstoffzelle im untertätigen Bergbau Fuel cells in underground mining |
| 05/18/2005 | CN2700568Y Intelligent human body inductive alarm device for mining |
| 05/12/2005 | US20050101243 Mine ventilation panel system |
| 05/12/2005 | US20050099020 Mine door system with trigger-actuated latch mechanism |
| 05/12/2005 | CA2487200A1 Mine door system with trigger-actuated latch mechanism |
| 05/10/2005 | CA2804825A1 Mine ventilation panel system |
| 05/10/2005 | CA2487523A1 Mine ventilation panel system |
| 04/21/2005 | WO2005036688A2 Fuel cell used in underground mining |
| 04/20/2005 | EP1524404A2 Method and device for monitoring structures |
| 04/14/2005 | WO2005033475A1 Cave-in monitoring system of tunnel, cave-in monitoring method of tunnel, and damage monitoring system of civil engineering structure |
| 03/30/2005 | EP1056927A4 Surface-assisted continuous underground mining |
| 03/30/2005 | CN2688894Y Surrounding rock separated layer monitoring alarm instrument |
| 03/23/2005 | CN2687343Y Pneumatic-electric gas comprehensive protection device |
| 03/23/2005 | CN1598246A Fog column dust falling linkage apparatus return airway |
| 03/22/2005 | CA2321064C Surface-assisted continuous underground mining |
| 03/17/2005 | WO2005024415A2 Apparatus for monitoring geotechnical and structural parameters of soils, rocks and structures in general |
| 03/09/2005 | EP1511918A1 Mounting device for a cable cup |
| 01/26/2005 | CN2674105Y Explosion-isolation, combination type two-direction acousto-optic ringer used in mine |
| 01/12/2005 | CN2670603Y Overhead passenger and cage security device in slope shaft |
| 01/12/2005 | CN1563905A Prospecting guiding emitting probe in non-excavating guider system |
| 01/12/2005 | CN1563904A Non-excavating guider |
| 01/12/2005 | CN1563903A Driller synchoronous display in non-excavating guider system |
| 01/11/2005 | US6840709 Distributed natural gas storage system(s) using oil & gas & other well(s) |
| 01/06/2005 | US20050004416 Building subterranean tunnels for handling hazardous wastes; covering |
| 12/22/2004 | CN2665360Y Digitalized top board monitoring apparatus |
| 12/15/2004 | CN1179802C Method for recovering internal iron cylinder with filled tails |
| 12/08/2004 | EP1483481A1 Safety system |
| 12/08/2004 | EP1483480A1 Sheet metal cable hook |
| 12/01/2004 | CN2660130Y Well construction communication appliance |
| 11/18/2004 | WO2004099571A1 Expandable rock bolt and rock bolting system |
| 11/18/2004 | US20040227645 Break-away motion detector and signal transmitter |
| 11/18/2004 | DE102004017713A1 Einrichtung zur Beleuchtung der Ausbaugestelle in einem Streb Means for illuminating the expansion racks in a longwall |
| 11/11/2004 | WO2004097177A1 Device for illuminating the stope support at a longwall face |
| 10/28/2004 | DE10316627A1 Method for compressed air stabilizing of closed down mine works with parallel utilization as energy storage containing two components, i.e. long-term compressed air supported |
| 10/21/2004 | WO2004090830A1 Collision avoidance method and system |
| 10/20/2004 | EP1468168A2 Strain detection in rock bolts |
| 10/14/2004 | WO2004088092A1 Arrangement for passage control of mine vehicles |
| 10/14/2004 | DE202004009964U1 Deep mine or tunnelling mechanical handling system has bucket fixture fixed to rail by wave profile interface |
| 10/13/2004 | EP1467030A1 Underground pipe and cable gallery which can be inspected |
| 09/09/2004 | US20040175238 Permanent stopping form and method of installing same |
| 08/04/2004 | EP1443177A1 Method of constructing underground gallery by using pneumatic transfer system, and stratum disposal method |
| 08/04/2004 | CN2630500Y Mining voice alarm |
| 07/29/2004 | WO2004063621A2 Distributed natural gas storage system(s) using oil & gas & other well(s) |
| 07/29/2004 | CA2513106A1 Distributed natural gas storage system(s) using oil & gas & other well(s) |
| 07/28/2004 | CN2628730Y Mine vacuum switch |
| 07/28/2004 | CN1515786A Energy source transferring and ventilation method for safely extracting coal and preventing gas explosion under shaft |
| 07/15/2004 | US20040136784 Distributed natural gas storage system(s) using oil & gas & other well(s) |
| 07/14/2004 | EP1436489A1 Closure seals and method for closing underground cavities |
| 07/01/2004 | DE10141044B4 Sicherheitseinrichtung für mit einem Strebförderer gekoppelte Antriebseinheit Safety device coupled with a face conveyor drive unit |
| 06/29/2004 | US6757642 Method for performing wedge analysis for assessing wedge instabilities in underground openings |
| 06/17/2004 | WO2004051189A1 Orientation system and method for use in underground mining and tunnel construction |
| 06/17/2004 | WO2002033221A8 Explosion proof walls |
| 06/03/2004 | DE10253291A1 Underground mine working device for detecting personnel in danger zones, includes receiver-transmitter carried on personal and spatially separated receiver-transmitter parts |
| 04/21/2004 | CN2612801Y Laneway apical plate abscission layer automatic monitoring alarm device |
| 04/15/2004 | WO2004032084A1 Dozer monitoring system and method |
| 03/31/2004 | CN1144146C Method for recording/reproduction by recording/reproducing system for visual inspection device |
| 03/25/2004 | US20040059692 Underground gas storage with short term reversible flow operable for use in arbitrage/trading |
| 03/24/2004 | EP1399691A1 Shallow depth, low pressure gas storage facilities and related methods of use |
| 03/18/2004 | DE10242574A1 Method for cutting a tunnel and erecting an overhead railway has the supports for the railway track attached to reinforcing and embedded in the sprayed concrete lining of the tunnel |
| 03/18/2004 | DE10201505B4 Arbeitsschutzvorrichtung für Bergleute Occupational Safety device for miners |
| 03/04/2004 | WO2004018802A1 Sealing device and method for closing openings in buildings, passages, and similar |
| 02/26/2004 | WO2003069122A3 Strain detection in rock bolts |
| 02/19/2004 | DE10236726A1 System for emergency closure of openings and ducts has inflatable sections stored in a compact folded state under protective covers and operating singly or in conjunction with similar units |
| 02/10/2004 | US6688813 Mine stopping and method of installing same |
| 02/04/2004 | EP1161598B1 Guide system placed along roadsides, preferably in tunnels, for protecting vehicles |
| 02/04/2004 | CN1472422A Method for monitoring and predictnig mine water |
| 01/22/2004 | DE10247285B3 Verfahren zur Zuordnung der sicherheitsrelevanten, persönlichen Ausrüstungsgegenstände zu den anfahrenden Personen sowie zur Anwesenheitskontrolle und Anlage Method for assigning the safety, personal equipment to the departing persons and for presence control and conditioning |
| 01/07/2004 | CN1465849A Underground drift coal bunker |
| 12/18/2003 | WO2003104614A1 Mounting device for a cable cup |
| 11/27/2003 | DE20315197U1 Suspension hanger for loads has U-shaped cross piece with pair of shanks and bolt to carry shackle |
| 11/20/2003 | WO2003095797A1 Line protecting apparatus |
| 11/11/2003 | US6646440 Device for measuring shifts in mountains |
| 11/11/2003 | US6644603 Bracket for supporting and clasping an open wire channel for cables and the like |
| 10/22/2003 | CN1449874A Method for recovering internal iron cylinder with filled tails |
| 09/25/2003 | WO2003078796A1 Sheet metal cable hook |
| 09/25/2003 | CA2474365A1 Sheet metal cable hook |
| 09/24/2003 | EP1021641B1 Mobile overhead power/communication distribution system |