ClassID:

136279

E21F11/00 - CPC Classification

Classification description:

Rescue devices or other safety devices, e.g. safety chambers or escape ways

Recent Application in this class:
#1
20260103984
2026-04-16

DOUBLE-END CHAIN TENSION FORCE CONTROL SYSTEM FOR CROSS SIDE-DUMPING TYPE FLIGHT CONVEYOR AND CONTROL METHOD THEREFOR

#2
20240410281
2024-12-12

Refuge Shelter, Coupling and Method

#3
20240175361
2024-05-30

Underwater robot for mine flooding rescue

#4
20230392499
2023-12-07

Fabricated ocean tunnel structure with escape device and application method thereof

#5
20210364194
2021-11-25

APPARATUS POWERED BY COMPRESSED FLUID

#6
20210164348
2021-06-03

Method and apparatus for preventing accident in tunnel

#7
20210095565
2021-04-01

Rapid construction method of pipe jacking for underground rescue tunnel with large section

#8
20200408093
2020-12-31

Safety system and method for protecting against a hazard of drill rod failure in a drilled rock bore

#9
20200173282
2020-06-04

Hose for providing an emergency fresh air supply to an underground vault after an explosion

#10
20200131907
2020-04-30

Rescue capsule for shelter in tunnel construction

#11
20190048681
2019-02-14

Safety plug

#12
20180328175
2018-11-15

Safety system and method for protecting against a hazard of drill rod failure in a drilled rock bore

#13
20180171622
2018-06-21

REMOTE COMMAND AND CONTROL CENTER FOR LONGWALL MINING SYSTEM

#14
20170275995
2017-09-28

Refuge shelter, coupling and method

#15
20170146679
2017-05-25

Test apparatus and a test method for the wetted perimeter of coal seam water injection

#16
20170057522
2017-03-02

Overhead rail guidance and signaling system

#17
20160186565
2016-06-30

Method for cooling a refuge chamber in an emergency situation

#18
20160090839
2016-03-31

METHOD OF PROTECTING THE HEALTH AND WELL-BEING OF COAL MINE MACHINE OPERATORS

#19
20150274072
2015-10-01

Context-aware collision devices and collision avoidance system comprising the same

#20
20150097414
2015-04-09

Personal safety system

#21
20150056924
2015-02-26

POST-ACCIDENT NETWORK PROBE AND METHOD OF USING THE SAME

#22
20150047528
2015-02-19

Overhead rail guidance and signaling system

#23
20140319896
2014-10-30

DEVICE FOR ANCHORING A FALL RESTRAINT POST IN A SUPPORT STRUCTURE

#24
20140300174
2014-10-09

Refuge shelter, coupler and method

#25
20140096541
2014-04-10

Personal safety system and process for the operation of a personal safety system

#26
20140075849
2014-03-20

Inflatable air barriers

#27
20130264131
2013-10-10

Mobile refuge chamber

#28
20130199423
2013-08-08

Mine emergency refuge systems

#29
20130049435
2013-02-28

Material and equipment recovery system

#30
20120304866
2012-12-06

Toxic gas removal and air conditioning system for human life support in enclosed refuge spaces

#31
20120285771
2012-11-15

Ladderway system for underground raises

#32
20120247865
2012-10-04

PORTABLE SEISMIC COMMUNICATION DEVICE

#33
20120119562
2012-05-17

MINE SAFETY SYSTEM

#34
20120036699
2012-02-16

HEIGHT SAFETY SYSTEM AND METHOD OF INSTALLATION

#35
20120001743
2012-01-05

Mine personnel carrier integrated information display

#36
20110318566
2011-12-29

Insulated Panel For Mine Safe Rooms

#37
20110297057
2011-12-08

High-strength anchor system, safe room bulkhead, and method of anchoring a support to mine strata

#38
20110139157
2011-06-16

System and Method of Delivering Emergency Breathable Gas Supply to Underground Mines

#39
20110107681
2011-05-12

ISOLATED REFUGE CABIN

#40
20110030838
2011-02-10

Safety system and method of an underground mine

#41
20100319563
2010-12-23

TRANSPORATION SYSTEM FOR A SUB-SURFACE ACTIVITY AREA

#42
20100175334
2010-07-15

Mine haven

#43
20100154922
2010-06-24

Safety system and method of a tunnel structure

#44
20100071393
2010-03-25

LIFE SUPPORT SYSTEM

#45
20100018391
2010-01-28

Self-contained refuge chamber

#46
20090316530
2009-12-24

BI-DIRECTIONAL SEISMIC COMMUNICATION SYSTEM AND METHOD

#47
20090229915
2009-09-17

Ladderway system for underground raises

#48
20090180279
2009-07-16

Power cord mounted electronic module for portable lamp

#49
20090084126
2009-04-02

Atmosphere Handling System For Confined Volumes

#50
20080122634
2008-05-29

Mine safety system

#51
20080041377
2008-02-21

Safety system and method of a tunnel structure

#52
20070245946
2007-10-25

Mine escape system

#53
20070229298
2007-10-04

Method and Arrangement for Stopping Powered Equipment in an Emergency Situation

#54
20070202796
2007-08-30

Mine refuge

#55
20070200420
2007-08-30

Underground mine rescue pod

#56
20050039931
2005-02-24

Tunnel first safety device

#57
14938294
2017-10-24

Safe haven wall