ClassID:

24594

A62B21/00 - CPC Classification

Classification description:

Devices for producing oxygen from chemical substances for respiratory apparatus

Recent Application in this class:
#1
20250303101
2025-10-02

SYSTEMS AND DEVICES FOR GENERATING NITRIC OXIDE

#2
20250032826
2025-01-30

PORTABLE SYSTEM FOR THE PRODUCTION OF OXYGEN

#3
20240424324
2024-12-26

QUANTUM PRODUCTION AND SUPPLY OF ONE OR MORE BREATHING OR OTHER SUBSTANCES TO AN ORGANISM

#4
20240124304
2024-04-18

Apparatus and method for generating oxygen from sodium percarbonate and water, including seawater

#5
20240082530
2024-03-14

Systems and devices for generating nitric oxide

#6
20230347188
2023-11-02

Life-saving towel with function of generating oxygen

#7
20230034393
2023-02-02

OXYGEN GENERATOR FOR USE IN AN AIRCRAFT, PASSENGER OXYGEN MASK SYSTEM, AND AIRCRAFT

#8
20220347499
2022-11-03

Portable system for the production of oxygen

#9
20220233893
2022-07-28

APPARATUS FOR CONNECTING A FACE MASK TO AN AIR HOSE

#10
20220040509
2022-02-10

LOCKING MANIFOLD FOR CHEMICAL OXYGEN GENERATOR

#11
20220040505
2022-02-10

Modular portable multi-crew life support system

#12
20220008679
2022-01-13

Systems and devices for generating nitric oxide

#13
20210379422
2021-12-09

Portable system for the production of oxygen

#14
20210138278
2021-05-13

System for monitoring serviceability status parameters

#15
20210113862
2021-04-22

OXYGEN-GENERATING CAPSULE

#16
20200368561
2020-11-26

Oxygen candle

#17
20200338372
2020-10-29

OXYGEN GENERATOR

#18
20200338371
2020-10-29

Chemical oxygen self-rescue device

#19
20200316415
2020-10-08

Portable System for the Production of Oxygen

#20
20200239145
2020-07-30

Oxygen generator outlet manifold with improved thermic properties

#21
20190329076
2019-10-31

Oxygen concentrating self-rescuer device

#22
20190217132
2019-07-18

Portable Respirator with Potential Equilibrium and Carbon Oxygen Exchange

#23
20190016596
2019-01-17

Device for generating oxygen from peroxides in ionic liquids

#24
20190002280
2019-01-03

Oxygen generator

#25
20180369619
2018-12-27

OXYGEN-GENERATING CAPSULE

#26
20180345051
2018-12-06

Modular portable oxygen generator

#27
20180326231
2018-11-15

CRYSTALLINE SALTS OF ORGANOMETALLIC COMPLEXES FOR OXYGEN SUPPLY IN AIRCRAFTS

#28
20180318614
2018-11-08

Portable chemical oxygen generator

#29
20180154194
2018-06-07

Portable chemical oxygen generator

#30
20180154192
2018-06-07

Portable chemical oxygen generator

#31
20180142361
2018-05-24

Device for generating oxygen

#32
20180141813
2018-05-24

Methods using ionic liquids for decomposing peroxides

#33
20180141811
2018-05-24

Compositions comprising ionic liquids for decomposing peroxides

#34
20180141029
2018-05-24

USE OF IONIC LIQUIDS IN COMPOSITIONS FOR GENERATING OXYGEN

#35
20180140874
2018-05-24

Portable, light-weight oxygen-generating breathing apparatus

#36
20170340907
2017-11-30

OXYGEN GENERATION APPARATUS

#37
20170259025
2017-09-14

Systems and devices for generating nitric oxide

#38
20170120085
2017-05-04

Oxygen concentrating self-rescuer device

#39
20160194203
2016-07-07

Device for creating oxygen

#40
20160051847
2016-02-25

Fitness equipment and automatic oxygen-generating fitness equipment

#41
20150343244
2015-12-03

Hybrid on-board generation of oxygen for aircraft passengers

#42
20150314100
2015-11-05

Systems and devices for generating nitric oxide

#43
20150190604
2015-07-09

Gas generating system for health use

#44
20150157884
2015-06-11

OXYGEN ENRICHED USER COMPARTMENT ON AN AIRCRAFT

#45
20150104355
2015-04-16

Chemical oxygen generator with compact ignition system for possible use in an aircraft

#46
20150101602
2015-04-16

COMPACT FILTER ASSEMBLY FOR POSSIBLE USE IN AN AIRCRAFT

#47
20140345610
2014-11-27

Respiration system

#48
20140241961
2014-08-28

Chemical oxygen generator with chemical cores arranged in parallel

#49
20140165830
2014-06-19

Oxygen concentration system and method

#50
20140116431
2014-05-01

Piezo driver having low current quiesent operation for use in a personal alert safety system of a self-contained breathing apparatus

#51
20140065054
2014-03-06

Membrane-enabled reverse lung

#52
20140007869
2014-01-09

Emergency oxygen supply mask and emergency oxygen supply arrangement adapted for rescuing a passenger of an aircraft in an emergency situation, method of rescuing a passenger of an aircraft in an emergency situation

#53
20140002279
2014-01-02

Cabin service arrangement, fuselage of an aircraft, a method of effecting a cabin attendant call

#54
20140000594
2014-01-02

Aircraft passenger oxygen mask with closed circuit concept

#55
20140000592
2014-01-02

Chemical oxygen generator with bimetal reaction control

#56
20140000590
2014-01-02

Oxygen breathing device and method for maintaining an emergency oxygen system

#57
20130312745
2013-11-28

Hybrid on-board generation of oxygen for aircraft passengers

#58
20130280514
2013-10-24

Chemical oxygen generator

#59
20130247908
2013-09-26

Hand-held potassium super oxide oxygen generating apparatus

#60
20130192596
2013-08-01

Chemical oxygen generator with core channel tube for an emergency oxygen device

#61
20130167840
2013-07-04

CO2 SORBENT COMPOSITION WITH O2 CO-GENERATION

#62
20120308475
2012-12-06

Oxygen storage and generation using an oxygen generating liquid

#63
20110154990
2011-06-30

High output concentrator

#64
20110135563
2011-06-09

Filter Material for Generating Oxygen and/or Hydrogen From A Source

#65
20110017209
2011-01-27

Apparatus and methods of providing diatomic oxygen (O) using ferrate(VI)-containing compositions

#66
20100294127
2010-11-25

Oxygen concentration system and method

#67
20100275782
2010-11-04

High output concentrator

#68
20100269701
2010-10-28

Oxygen concentration system

#69
20100252034
2010-10-07

METHOD AND SYSTEM FOR PORTABLE BREATHING DEVICES

#70
20100043787
2010-02-25

Systems and devices for generating nitric oxide

#71
20090272273
2009-11-05

Filter material for generating oxygen and/or hydrogen from a source

#72
20090148378
2009-06-11

Apparatus and Delivery of Oxygen

#73
20090074654
2009-03-19

Filter material for generating oxygen and/or hydrogen from a source

#74
20090071472
2009-03-19

Apparatus for producing oxygen and/or hydrogen gas

#75
20090071471
2009-03-19

Apparatus for producing oxygen and/or hydrogen in an environment devoid of breathable oxygen

#76
20080047435
2008-02-28

Oxygen concentration system

#77
20080047426
2008-02-28

Oxygen concentration system and method

#78
20070240710
2007-10-18

Portable oxygen regenerating escape hood

#79
20070215159
2007-09-20

METHOD AND APPARATUS FOR PORTABLE SELF CONTAINED RE-BREATHING DEVICES

#80
20070214954
2007-09-20

Method of controlling a gas separating apparatus

#81
20070178030
2007-08-02

EXPANDABLE HOUSING GENERATOR

#82
20070163591
2007-07-19

METHOD AND SYSTEM FOR PROVIDING BREATHABLE AIR IN A CLOSED CIRCUIT

#83
20070160506
2007-07-12

METHOD AND APPARATUS FOR CONTROLLED PRODUCTION OF A GAS

#84
20070119305
2007-05-31

High output concentrator

#85
20070119304
2007-05-31

High output concentrator

#86
20070119303
2007-05-31

High output concentrator

#87
20070068521
2007-03-29

Portable oxygen generating system and method of using the same

#88
20070053810
2007-03-08

Method and apparatus for controlled production of a gas

#89
20070053802
2007-03-08

Method and apparatus for controlled production of a gas

#90
20070053801
2007-03-08

Method and apparatus for controlled production of a gas

#91
20070048201
2007-03-01

Oxygen generation system and method

#92
20070003454
2007-01-04

Method and apparatus for controlled production of a gas

#93
20070003453
2007-01-04

Method and apparatus for controlled production of a gas

#94
20070003452
2007-01-04

Method and apparatus for controlled production of a gas

#95
20070003451
2007-01-04

Method and apparatus for controlled production of a gas

#96
20060292061
2006-12-28

Method for controlled production of a gas

#97
20060280658
2006-12-14

Hand-held potassium super oxide oxygen generating apparatus

#98
20060269454
2006-11-30

Method and apparatus for generating oxygen

#99
20060171863
2006-08-03

Method and apparatus for controlled production of a gas

#100
20060171862
2006-08-03

Method and apparatus for controlled production of a gas

#101
20060171861
2006-08-03

Method and apparatus for controlled production of a gas

#102
20060171860
2006-08-03

Method and apparatus for controlled production of a gas

#103
20060090756
2006-05-04

Portable oxygen regenerating escape hood

#104
20060062707
2006-03-23

Oxygen generator with storage and conservation modes

#105
20060051255
2006-03-09

Gas generator

#106
20060048644
2006-03-09

High output concentrator

#107
20050265903
2005-12-01

Apparatus and delivery of medically pure oxygen

#108
20050238546
2005-10-27

Canister for an oxygen generation cell

#109
20050112035
2005-05-26

Method and apparatus for generating oxygen

#110
20050053527
2005-03-10

Cool oxygen chemical gas generator

#111
16948750
2023-12-05

Articulated oxygen candle furnace basket