Patents
Patents for E21F 11 - Rescue devices or other safety devices, e.g. safety chambers, escape ways (2,410)
01/2006
01/26/2006DE102004024073A1 Device for detecting person in hazard area, especially in mine, has portable transmitter-receiver with 2 transmitters and 2 receivers; one receiver has 3 orthogonal independent coils operating at 9 KHz, one has one coil operating at 7 KHz
01/04/2006CN2750042Y Full automatic waterproof gate
12/2005
12/28/2005CN1712671A Dotted-line style information collecting and supplying system of mine
12/15/2005WO2005117539A2 Method and arrangement for stopping powered equipment in an emergency situation
09/2005
09/28/2005CN2729317Y Mine safety protection carrying device
09/21/2005CN2728106Y Downhole operating workman location tracking system
09/07/2005CN1664311A Underground self-help life-saving system in mine disaster
08/2005
08/31/2005CN1661198A Shockproof houses
08/11/2005WO2005072827A1 Rescue equipment
08/02/2005US6925377 Tunnel monitoring system in a vehicle tunnel
07/2005
07/20/2005CN2711751Y Positioning saving device for downhole person
07/20/2005CN2711390Y Monitoring commanding device for disaster dealing of mine
07/20/2005CN1641187A Mine emergency rescue pipeline
07/13/2005CN2709654Y Inclined drifts protector for mine
07/13/2005CN1210544C Method and device for detecting persons existing state in mine
06/2005
06/09/2005WO2005052319A1 A refuge chamber
05/2005
05/18/2005CN1616797A Life support system in mine
02/2005
02/03/2005DE10333142A1 Folding emergency passage for e.g. road tunnel has glass fibre tube supported by a series of upright folding frames
02/02/2005CN2675866Y Corrosion-proof self-rescuer
01/2005
01/12/2005CN2670603Y Overhead passenger and cage security device in slope shaft
12/2004
12/22/2004CN2665360Y Digitalized top board monitoring apparatus
11/2004
11/24/2004CN2658405Y Multifunction chemical oxygen self-rescuer
11/10/2004CN2654862Y Shaft safety climbing ladder for coal mine
09/2004
09/22/2004EP1025340B1 A method and a system for facilitating rescuing and evacuating operations from closed rooms
05/2004
05/04/2004US6729806 Crib platform device, kit and method of using
04/2004
04/28/2004CN2613590Y Structure setting for escape way of tunnel
03/2004
03/25/2004US20040059503 Tunnel monitoring system in a vehicle tunnel
02/2004
02/11/2004CN2603204Y Active track connection positioning device for water proof gatein mine shift
01/2004
01/08/2004DE10221629A1 Container mit Sicherheits- und Zugangseinrichtung für zwangsbelüftete Räume Container with security and access device for force-ventilated rooms
12/2003
12/31/2003CN2596015Y Net for protecting mining road
11/2003
11/19/2003EP1362980A1 Safety device for open-pit mining
07/2003
07/23/2003EP1329588A1 Device for introducing breathing air in a tunnel passageway
06/2003
06/17/2003US6578357 Regulating device for hydraulic working tools
03/2003
03/26/2003CN2541834Y Self-control digital display airtight checker for mine self-life saver
01/2003
01/28/2003US6512312 Method and a device for detecting the presence of personnel in underground mining
11/2002
11/27/2002EP1084349B1 Regulating device for hydraulic working tools
10/2002
10/02/2002CN1372068A Tunnel safety water proof apparatus
07/2002
07/11/2002WO2002054368A1 Tunnel monitoring system in a vehicle tunnel
07/03/2002EP1220181A1 Tunnel monitoring system in a tunnel
06/2002
06/13/2002WO2002046579A1 Escape tunnel inside a tunnel
06/06/2002DE10060341A1 Rescue and extinguishing system for areas that are difficult to access comprises a ventilation unit producing a targeted air stream arranged in the upper region of the area
12/2001
12/04/2001US6325460 Machine used in connection with underground mining having an operator protective shield
03/2001
03/28/2001CN2425180Y Top-set gallery safety waterproof door
03/21/2001EP1084349A2 Regulating device for hydraulic working tools
01/2001
01/25/2001DE19928643A1 Fire extinguisher sprinkler has a cone unit screwed into a mounting at the water pipe with a glass double wall filled with explosive and a projecting fuse cord to shatter the glass and release the water spray at a fire
01/17/2001CN1280295A Method and device for detecting persons existing in mine
01/10/2001CN2414196Y Boby protector for miner
12/2000
12/14/2000DE19925722A1 Tunnel fire prevention and containment device has a mobile fire fighting unit with separate devices for sealing off the tunnel above and below the fire and a calling system for moving the unit to where the fire is in the tunnel
08/2000
08/09/2000EP1025340A1 A method and a system for facilitating rescuing and evacuating operations from closed rooms
07/2000
07/05/2000CN2386196Y Safety protection device for coal-winning machine
04/2000
04/06/2000WO1999066212A3 Regulating device for hydraulic working tools
12/1999
12/23/1999WO1999066212A2 Regulating device for hydraulic working tools
11/1999
11/23/1999US5988101 Safety directional line for underground mining and method of making same
09/1998
09/17/1998WO1998040607A1 A method and a system for facilitating rescuing and evacuating operations from closed rooms
09/1997
09/12/1997WO1997033259A1 Intrinsically safe emergency light and sound system
11/1996
11/13/1996CN2240045Y Top safety monitor for underground mine and tunnel
07/1996
07/03/1996CN2230352Y Body safety monitoring instrument for mine
06/1996
06/05/1996CN2228638Y Energy-saving heater for greenhouse
11/1995
11/02/1995DE4414434A1 Automatic detection system for personnel on belt conveyors in mines
10/1995
10/04/1995CN2209214Y Self-rescue device lower external tank protective cover for coal mine
07/1995
07/05/1995CN2202800Y Multi-function safety helmet with mineral lamp
04/1995
04/12/1995CN2194412Y Multi-function safety belt for miner
12/1994
12/28/1994CN2186299Y Tent with smoke insulation and avoid disaster
11/1994
11/02/1994CN2181569Y Full-automatic mine safety door
10/1994
10/12/1994CN2179463Y Tangential well wall hanging glass fibre reinfored plastic ladder room
05/1994
05/18/1994CN2165226Y Automatic car fishing device in inclined shaft
04/1994
04/20/1994CN2162530Y Endergonic automatic gear device
04/13/1994CN2161731Y Telecontrol fully automatic magnetic power operating safety door for mine pithead
12/1993
12/29/1993CN2151257Y Fibre reinforced composite safety chamber on wall of well
12/29/1993CN2151256Y Mineral cooling uniform
08/1993
08/04/1993CN2139628Y Forced-draft self-rescuer filter reducer
12/1992
12/23/1992CN2125706U Safety spark type blast proof electric control device for mine repelling board
09/1992
09/16/1992CN2116091U Incline shaft frameless horizontal automatic vehicle fencing
12/1991
12/24/1991US5074298 Gas flow control system
10/1991
10/09/1991CN2086304U Thirty minutes compressed oxygen self saving unit
03/1991
03/06/1991EP0415784A2 Gas flow control system
03/02/1991CA2023941A1 Gas flow control system
01/1991
01/23/1991CN1011325B Pneumatical breathing equipment for avoiding damage from gas and lifesaving
01/02/1991CN2068585U Quick closing apparatus for mine tunnel
11/1990
11/07/1990CN2065239U Soft net railing for mine
10/1990
10/03/1990CN2063170U Controllable gas alarm on miner's lamp
08/1990
08/22/1990CN2060816U Multi-purpose ambulance used in mines
05/1990
05/23/1990DE3839267A1 Modulare schutzkammer fuer untertage Modular protection for underground chamber
12/1989
12/20/1989CN2049678U Pneumatic walking type diving rescue device for mine
11/1989
11/16/1989DE3815154A1 Verfahren zum betreiben einer elektrokabine im untertagebergbau A method of operating an electrochemical cabin in underground mining
10/1989
10/18/1989CN1036433A Pneumatical breathing equipment for avoiding damage from gas and lifesaving
10/05/1989DE3825336C1 Device for opening the end of a compressed-air line provided as a deactivating line
06/1989
06/28/1989CN2040143U Driving equipment of a mine protection door
04/1989
04/05/1989CN1003801B Normally open safety gate for catching runaway trolley in inclined shaft
03/1989
03/28/1989US4815363 Life protector enclosure for mines
06/1988
06/30/1988DE3643862A1 Mining safety filter
02/1988
02/02/1988US4722574 Personnel detection and protection systems for use in underground mines
01/1988
01/12/1988US4718352 Rescue vehicle with emergency engine actuation
11/1987
11/05/1987DE3614801A1 Supply line for machines operated by mineral oil in areas where there is a fire risk
05/1987
05/06/1987CN85105087A Normally open safety gate for catching run-away trolley in inclined shaft
10/1985
10/15/1985US4546849 Machine operators compartment
07/1985
07/30/1985US4531776 Safety cab for underground mining equipment
12/1984
12/27/1984EP0129406A2 Breathing apparatus
10/1983
10/05/1983EP0090792A2 Driving box for a mining machine
07/1983
07/26/1983US4395163 Mining appliance
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