ClassID:

24653

A62C3/0221 - CPC Classification

Classification description:

Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels

Recent Application in this class:
#1
20250270930
2025-08-28

FILM TUNNEL FOR ROADWAYS

#2
20250101870
2025-03-27

ROADWAY CONDUIT SYSTEMS AND METHODS

#3
20230381565
2023-11-30

METHOD AND APPARATUS FOR TESTING A TUNNEL FIRE SUPPRESSION SYSTEM

#4
20230241431
2023-08-03

MOBILE LIQUID NITROGEN FIRE EXTINGUISHING SYSTEM AND METHOD FOR UTILITY TUNNEL

#5
20230037122
2023-02-02

FIRE RETARDANT CUSPATED SHEET

#6
20220154577
2022-05-19

Roadway conduit systems and methods

#7
20210208554
2021-07-08

Fire test system and method for tunnel structure based on real-time fusion of numerical and physical spaces

#8
20200391059
2020-12-17

CONTROL SYSTEM FOR USE DURING TUNNEL FIRE

#9
20200256190
2020-08-13

Roadway conduit systems and methods

#10
20190389492
2019-12-26

On-track work- or rescue vehicle

#11
20190360335
2019-11-28

Roadway conduit systems and methods

#12
20190294165
2019-09-26

Unmanned vehicle, system, and method for initiating a fire extinguishing action

#13
20190249552
2019-08-15

Conduit segment casting mold and method of forming a conduit segment

#14
20190249551
2019-08-15

Roadway conduit systems and methods

#15
20180161609
2018-06-14

Explosion protection system

#16
20180111804
2018-04-26

Tunnel relief device

#17
20170189729
2017-07-06

Tunnel fire protection system

#18
20170159435
2017-06-08

System for Filtering the Fresh Air Flowing in a Tunnel and/or the Exhaust Gases Flowing out Therefrom

#19
20160354624
2016-12-08

Fire suppression fluid dispensing device

#20
20160354622
2016-12-08

GAS DETECTION AND FIRE SUPPRESSION SYSTEM FOR HYDROGEN SALT CAVERN

#21
20160121149
2016-05-05

Tunnel fire protection system

#22
20160030784
2016-02-04

Fire extinguishing equipment

#23
20140299337
2014-10-09

Method of extinguishing underground electrical fires

#24
20140216769
2014-08-07

Fire protection device

#25
20130277072
2013-10-24

Method and apparatus for applying rock dust to a mine wall

#26
20130112439
2013-05-09

Method of extinguishing underground electrical fires

#27
20120205129
2012-08-16

Method of controlling ventilation in a mine entry with polymeric gel

#28
20120193110
2012-08-02

Equipment for controlling a train fire in a long railway tunnel and method for implementing same

#29
20120193108
2012-08-02

Method and apparatus for extinguishing fires

#30
20120118591
2012-05-17

Water, foam and compressed air protection against fire, in or associated with structures

#31
20110275302
2011-11-10

IMPROVED TUNNEL VENTILATION DEVICE

#32
20100025052
2010-02-04

Arrangement for Preventing Fires

#33
20090266545
2009-10-29

Method and Device for Producing a Gaseous Medium Comprising Steam

#34
20090197518
2009-08-06

Mine barrier survival system

#35
20090114405
2009-05-07

Method and Arrangement for Fighting Fires with Compressed-Air Foam

#36
20090078433
2009-03-26

Method of controlling mine fires with polymeric gel

#37
20080217032
2008-09-11

Stationary Fire-Fighting System Comprising a Cleaning Device

#38
20080210240
2008-09-04

Method of producing hypoxic environments in occupied compartments with simultaneous removal of excessive carbon dioxide and humidity

#39
20080202776
2008-08-28

FIRE AND SMOKE CONTROL SYSTEM FOR A LONG PASSAGE

#40
20080202774
2008-08-28

Method of producing hypoxic environments in enclosed compartments employing fuel cell technology

#41
20080168798
2008-07-17

Hypoxic aircraft fire prevention and suppression system with automatic emergency oxygen delivery system

#42
20080149355
2008-06-26

Fire Extinguishing and Gas and Oil Well Recovery System

#43
20070210192
2007-09-13

Fire Fighting Apparatus For Road And Railway Tunnels

#44
20070209808
2007-09-13

Floating foam for fire fighting

#45
20070039744
2007-02-22

Tunnel fire protection system

#46
20060289823
2006-12-28

Quick-coupling connection device for a robotized apparatus of a fire fighting system arranged in a tunnel

#47
20060048951
2006-03-09

Method and system for extinguishing a fire

#48
20050039931
2005-02-24

Tunnel first safety device

#49
20050028991
2005-02-10

Device for protecting premises in particular a tunnel against fire

#50
15970700
2018-12-04

Roadway conduit systems and methods