ClassID:

24561

A62B9/02 - CPC Classification

Classification description:

Component parts for respiratory or breathing apparatus Valves

Sub-classes:
Recent Application in this class:
#1
20260090591
2026-04-02

Exhalation Valve for Mask

#2
20260061228
2026-03-05

INTEGRATED MANIFOLD SYSTEM

#3
20260034386
2026-02-05

A SYSTEM FOR SUPPLYING A BREATHABLE GAS TO A USER

#4
20260027389
2026-01-29

Secure Threaded Connection

#5
20260021330
2026-01-22

Valve Adapter for Breathing Apparatus

#6
20250367480
2025-12-04

HELMET-BASED RESPIRATORY ASSISTANCE DEVICE

#7
20250339713
2025-11-06

VALVE FOR A BREATHING REGULATOR

#8
20250281775
2025-09-11

RESPIRATOR APPARATUS

#9
20250205377
2025-06-26

APPARATUS FOR REFLECTING AN INCIDENT RAY OF ELECTROMAGNETIC RADIATION

#10
20250170432
2025-05-29

RESPIRATOR APPARATUS

#11
20250108239
2025-04-03

SCBA HARNESS AND PRESSURE REDUCER

#12
20250090789
2025-03-20

PATIENT INTERFACE AND A SPEECH VALVE THEREFOR

#13
20250082970
2025-03-13

VENTILATION APPARATUS

#14
20250065157
2025-02-27

Automated Breathing Air Trailer System

#15
20240342514
2024-10-17

MODULAR FULL-FACE RESPIRATOR

#16
20240342418
2024-10-17

BREATHING APPARATUS WITH MULTIPLE BREATHING CHANNELS

#17
20240316373
2024-09-26

RESPIRATORY PROTECTION DEVICE POSITIVE PRESSURE SEAL CHECK METHODS AND DEVICES

#18
20240261602
2024-08-08

SAFETY BREATH

#19
20240238626
2024-07-18

BACK PLATE FOR A BREATHING APPARATUS

#20
20240207659
2024-06-27

RESPIRATORY SYSTEM PROTECTION DEVICE

#21
20240172819
2024-05-30

TRANSPARENT MASK EQUIPPED WITH OXYGEN SUPPLY MEANS

#22
20240165435
2024-05-23

A CONNECTOR FOR A FLUIDIC CIRCUIT

#23
20240133855
2024-04-25

Method and Apparatus for Automatically Maintaining a Desired Level of Oxygen in a Refuge

#24
20240091570
2024-03-21

INTEGRATED MANIFOLD SYSTEM

#25
20240091486
2024-03-21

Patient interface and a speech valve therefor

#26
20240066329
2024-02-29

Closed-Circuit Combined Unit Respirator System

#27
20240042248
2024-02-08

MASK APPARATUS

#28
20240042247
2024-02-08

AIR FILTRATION MASK EXHALATION VALVE WITH ON/OFF CAPABILITY

#29
20240042246
2024-02-08

SYSTEM TO CONNECT FACE MASKS TO HEPA FILTRATION IN AIRCRAFT TO PREVENT SPREAD OF RESPIRATORY VIRUSES

#30
20240033543
2024-02-01

NOSE BREATHING DEVICE

#31
20240024707
2024-01-25

GENERIC MODULAR RESPIRATOR

#32
20230405367
2023-12-21

RESPIRATION FLOW APPARATUS

#33
20230381549
2023-11-30

RESERVOIR FOR HYBRID SCBA

#34
20230302304
2023-09-28

PORTABLE VESSEL, REGULATOR AND APPARATUS FOR STORING FLUIDS

#35
20230293916
2023-09-21

REGULATOR ASSEMBLY FOR AN AIRCREW BREATHING MASK

#36
20230241424
2023-08-03

DUAL MODE RESPIRATOR

#37
20230166848
2023-06-01

METHOD AND APPARATUSES FOR DELIVERING HYPERBARIC GAS AND/OR TREATING RESPIRATORY ILLNESSES, POST COVID SYNDROME(S) AND CHRONIC TRAUMATIC ENCEPHALOPATHY

#38
20230142973
2023-05-11

WEARABLE DEVICES FOR TREATING AIR FOR INHALATION AND EXHALATION

#39
20230129059
2023-04-27

DEVICE, SYSTEM AND METHOD FOR TREATING AIR DURING BREATHING

#40
20230122802
2023-04-20

BREATHING AIR CLEANING DEVICE

#41
20230121963
2023-04-20

BREATHING APPARATUS TO ELIMINATE AIRBORNE INFECTIONS

#42
20230092326
2023-03-23

Breathing systems and methods for making and using such systems

#43
20230081989
2023-03-16

OXYGEN CONTROL SYSTEM WITH IMPROVED PRESSURE REGULATOR

#44
20230074725
2023-03-09

DEVICE FOR PERSONAL PROTECTION AND INSULATION AGAINST POLLUTANTS AND MICROORGANISMS AND FILTERING GROUP FOR DEVICES FOR PROTECTION AND INSULATION

#45
20230047074
2023-02-16

PERSONAL CONTAINER WITH ATTACHMENT MECHANISM

#46
20230015547
2023-01-19

FILTRATION ENCLOSURE FOR VENTILATION BAGS

#47
20230010959
2023-01-12

REGULATOR ASSEMBLY FOR AN AIRCREW BREATHING MASK

#48
20220331623
2022-10-20

METHODS AND SYSTEMS ASSOCIATED WITH CONTROLLING AIR FLOW WITHIN A MASK

#49
20220323797
2022-10-13

Integrated manifold system

#50
20220314039
2022-10-06

SYSTEM FOR DELIVERING BREATHING GAS TO PASSENGERS

#51
20220296933
2022-09-22

POWERED AIR PURIFYING RESPIRATOR AND METHOD OF OPERATION

#52
20220273968
2022-09-01

ARRANGEMENT FOR BREATHING APPARATUS, AND BREATHING APPARATUS

#53
20220249880
2022-08-11

Low pressure alarm for self-contained breathing apparatus

#54
20220233893
2022-07-28

APPARATUS FOR CONNECTING A FACE MASK TO AN AIR HOSE

#55
20220212040
2022-07-07

PERSONAL PROTECTIVE EQUIPMENT ENSEMBLE MADE UP OF A LAUNDERABLE HOOD AND AN AIR DISPERSION PROTECTIVE HEADGEAR

#56
20220176169
2022-06-09

Mask

#57
20220168678
2022-06-02

PORTABLE AIR PURIFIER

#58
20220168597
2022-06-02

Powered exhaust apparatus for a personal protection respiratory device

#59
20220168596
2022-06-02

RESPIRATOR WITH PHASE CHANGE MATERIAL

#60
20220126123
2022-04-28

Portable Re-Breathing Apparatus for Disaster

#61
20220105366
2022-04-07

MASK STRUCTURE WITH EXTERNALLY CONNECTED FILTERING DEVICE

#62
20220099202
2022-03-31

Fluid Unidirectional Flow Structure, Check Assembly, and Respiratory Device

#63
20220096875
2022-03-31

Personal protected-air system

#64
20220072346
2022-03-10

FILTER CARTRIDGE HOLDER WITH FIT-CHECK DEVICE

#65
20220062667
2022-03-03

Oxygen Mask And System

#66
20220040555
2022-02-10

Cardiorespiratory fitness optimizer apparatus

#67
20220032097
2022-02-03

Method and apparatus for automatically maintaining a desired level of oxygen in a refuge

#68
20220032094
2022-02-03

Anti-Germ Breathing Device

#69
20220023674
2022-01-27

Serviceable respirator system with configurable components

#70
20220016306
2022-01-20

APPARATUS FOR REFLECTING AN INCIDENT RAY OF ELECTROMAGNETIC RADIATION

#71
20220016301
2022-01-20

Apparatus for reflecting an incident ray of electromagnetic radiation

#72
20220016300
2022-01-20

APPARATUS FOR REFLECTING AN INCIDENT RAY OF ELECTROMAGNETIC RADIATION

#73
20220016278
2022-01-20

APPARATUS FOR REFLECTING AN INCIDENT RAY OF ELECTROMAGNETIC RADIATION

#74
20220008756
2022-01-13

Personal protective equipment system for safe air, train or bus travel protecting against infectious agents including novel coronavirus—COVID-19

#75
20220008755
2022-01-13

MICRO FLOW REGULATOR AND BREATHING HOOD SYSTEM USING SAME

#76
20210402229
2021-12-30

Mask apparatus

#77
20210402128
2021-12-30

Portable oxygen generator system

#78
20210387025
2021-12-16

INTEGRATED MANIFOLD SYSTEM

#79
20210386138
2021-12-16

PERSONAL PROTECTIVE POSITIVE PRESSURE DEVICE

#80
20210369906
2021-12-02

Ultraviolet air irradiation system and ultraviolet air irradiation process

#81
20210353971
2021-11-18

Ultraviolet germicidal irradiation mask

#82
20210346737
2021-11-11

Respirator

#83
20210331004
2021-10-28

PROTECTIVE EQUIPMENT

#84
20210330996
2021-10-28

VENTILATION APPARATUS AND MASK

#85
20210330853
2021-10-28

AIR PURIFICATION APPARATUS

#86
20210330005
2021-10-28

ANTIVIRAL AND ANTIBACTERIAL FACE MASK

#87
20210308496
2021-10-07

RESPIRATORY MASK

#88
20210308494
2021-10-07

PERSONAL SAFE BREATHING DEVICE

#89
20210299484
2021-09-30

Pathogen Protection Device

#90
20210298385
2021-09-30

RESPIRATOR AND FILTRATION DEVICES

#91
20210283432
2021-09-16

Helmet

#92
20210283431
2021-09-16

FULL FACE MASK EQUIPPED WITH AN INLET AIR FILTER

#93
20210275838
2021-09-09

Plasmonic photoelectrochemical oxidation face mask

#94
20210260416
2021-08-26

Mask having intake and exhaust structure

#95
20210260413
2021-08-26

Back plate for a breathing apparatus

#96
20210228921
2021-07-29

Respiratory protection device positive pressure seal check methods and devices

#97
20210205641
2021-07-08

Back Carrier and Breathing Apparatus

#98
20210205640
2021-07-08

PORTABLE GAS SUPPLY DEVICE AND RESPIRATORY ASSISTANCE SYSTEM

#99
20210195387
2021-06-24

SMART MASK AND SMART MASK-BASED SERVICE SYSTEM

#100
20210162244
2021-06-03

DUSTPROOF MASK AND MANUFACTURING METHOD THEREOF

#101
20210162089
2021-06-03

ULTRAVIOLET FACE MASK

#102
20210093901
2021-04-01

OXYGEN SYSTEM FOR PARACHUTING

#103
20210093900
2021-04-01

RESPIRATOR MASK

#104
20210038926
2021-02-11

BREATHABLE GAS AND WATER HOSE APPARATUS

#105
20210001156
2021-01-07

A SELF CONTAINED BREATHING APPARATUS CONNECTOR AND METHOD OF MANUFACTURING THEREOF

#106
20200406070
2020-12-31

Method for the control of the breathing gas supply

#107
20200398017
2020-12-24

Preflushing unit for carrying out a preflushing operation in a breathing gas circuit of a closed-circuit respirator

#108
20200376305
2020-12-03

PERSONAL PROTECTIVE EQUIPMENT SYSTEM FOR SAFE AIR, TRAIN OR BUS TRAVEL PROTECTING AGAINST INFECTIOUS AGENTS INCLUDING NOVEL CORONAVIRUS - COVID-19

#109
20200346052
2020-11-05

Serviceable cartridge assembly for respirator exhalation unit

#110
20200324150
2020-10-15

Patient interface and a speech valve therefor

#111
20200289858
2020-09-17

Process and apparatus to preclude unfiltered atmospheric gases and human respiration products including carbon-dioxide with carbon-14 from entering controlled greenhouse atmospheric gases

#112
20200246644
2020-08-06

EMERGENCY FITTING APPARATUS

#113
20200231260
2020-07-23

Diving masks

#114
20200222731
2020-07-16

Breathing aid

#115
20200179859
2020-06-11

METHOD AND APPARATUS FOR INTEGRATING CHEMICAL AND ENVIRONMENTAL SENSORS INTO AN AIR PURIFICATION FILTER THROUGH A REUSABLE SENSOR POST

#116
20200155876
2020-05-21

Pressure support system valve

#117
20200130792
2020-04-30

Full-face diving mask

#118
20200115015
2020-04-16

Snorkeling breathing apparatus

#119
20200093121
2020-03-26

Breath-powered scent distribution hunting mask

#120
20200065530
2020-02-27

Self-identifying personal protective device and methods of monitoring the same

#121
20200061397
2020-02-27

System for automatically regulating breathing air supply and data logging

#122
20200030643
2020-01-30

Self-contained breathing apparatus

#123
20200030642
2020-01-30

Oxygen mask assembly with optimized package size

#124
20190358472
2019-11-28

Oxygen sensor calibration for rebreather

#125
20190351266
2019-11-21

System for regulating the dispensing of commercial aircraft passenger oxygen supply

#126
20190329076
2019-10-31

Oxygen concentrating self-rescuer device

#127
20190321660
2019-10-24

Emergency oxygen system for aircraft with switching device and a method of operating an emergency oxygen system

#128
20190282839
2019-09-19

System and a method for delivering breathing gas to passengers on-board an aircraft

#129
20190255368
2019-08-22

Low-flow alarm and valve

#130
20190247682
2019-08-15

PERSONAL BREATHING APPARATUS AND METHOD

#131
20190224506
2019-07-25

Membrane valve and manufacturing method therefor

#132
20190217133
2019-07-18

Valve structure for respirator

#133
20190192884
2019-06-27

Aspirator for air flow amplification

#134
20190175959
2019-06-13

Temperature-control device for heating and/or cooling gases or gas mixtures preferably for the use in the field of respiratory protection

#135
20190151689
2019-05-23

Positive-pressure Air Respirator Carrying Tool for the Air Cylinder Holder with A Built-in Decompressor

#136
20190091497
2019-03-28

Integrated manifold system

#137
20190022432
2019-01-24

Remotely controlled air supply assembly

#138
20190009115
2019-01-10

CBRN breathing apparatus

#139
20180353783
2018-12-13

Filter cartridge holder with fit-check device

#140
20180319472
2018-11-08

Regulator first stage for two-stage underwater breathing apparatuses

#141
20180318614
2018-11-08

Portable chemical oxygen generator

#142
20180289991
2018-10-11

Serviceable cartridge assembly for respirator exhalation unit

#143
20180289990
2018-10-11

Water survival mask

#144
20180289988
2018-10-11

Face mask assembly

#145
20180243591
2018-08-30

METHOD AND APPARATUS FOR AN EMERGENCY AIR BREATHING SYSTEM

#146
20180185677
2018-07-05

Powered Exhaust Apparatus For A Personal Protection Respiratory Device

#147
20180154194
2018-06-07

Portable chemical oxygen generator

#148
20180154192
2018-06-07

Portable chemical oxygen generator

#149
20180140874
2018-05-24

Portable, light-weight oxygen-generating breathing apparatus

#150
20180133523
2018-05-17

Oxygen system for parachuting

#151
20180104517
2018-04-19

Air purifier apparatus with flexible filter modules

#152
20180088097
2018-03-29

Method and apparatus for automatically maintaining a desired level of oxygen in a refuge

#153
20180050227
2018-02-22

Temperature control device and method for assembling a temperature control device for heating and/or cooling gases or gas mixtures, in particular for use in the respiratory protection sector

#154
20170334531
2017-11-23

DIVING AND SNORKELING MASK STRUCTURE

#155
20170296848
2017-10-19

High-pressure passthrough for protective suit

#156
20170296094
2017-10-19

BREATHING APPARATUS WITH SYSTEM-INTEGRATED BREATHING SENSOR SYSTEM

#157
20170291045
2017-10-12

DISCHARGER STRUCTURE ON EARLOOP FACE MASKS

#158
20170252588
2017-09-07

Personal air filtration apparatus and method

#159
20170216553
2017-08-03

Active valve for ventilators

#160
20170173371
2017-06-22

Respirator Seals

#161
20170173368
2017-06-22

Integrated umbilical delivery system for gas, data, communications acquisition/documentation, accessory power and safety for users in adverse environments

#162
20170172137
2017-06-22

Breath-powered vapor distribution device and game call

#163
20170157437
2017-06-08

Nasal device with air filter

#164
20170144000
2017-05-25

RESISTANCE AND FILTRATION BREATHING DEVICE

#165
20170120085
2017-05-04

Oxygen concentrating self-rescuer device

#166
20170100611
2017-04-13

Method for the control of the breathing gas supply

#167
20170072231
2017-03-16

SELF-CONTAINED BREATHING APPARATUS EQUIPMENT

#168
20170065790
2017-03-09

Gas demand device, method of installation, gas delivery system, and method of use

#169
20170050058
2017-02-23

Mouthheld filter apparatus

#170
20170028229
2017-02-02

Hydration respiration apparatus

#171
20170021204
2017-01-26

OXYGEN RESPIRATOR FOR EMERGENCY EVACUATIONS

#172
20170021203
2017-01-26

Respirators

#173
20170021202
2017-01-26

SYSTEM COMPRISING A CLOSED-CIRCUIT RESPIRATOR AND A MONITORING DEVICE THEREFOR

#174
20170021201
2017-01-26

Bayonet connectors suitable for connecting filter cartridges to respirators

#175
20170007859
2017-01-12

GAS PRESSURE REDUCER WITH ELECTRICALLY-POWERED MASTER SYSTEM

#176
20160354718
2016-12-08

Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor post

#177
20160325122
2016-11-10

Back-up crew breathing gas system and method

#178
20160310768
2016-10-27

Emergency underwater miniaturized breathing device

#179
20160303404
2016-10-20

SYSTEM FOR RECHARGING PORTABLE BREATHING APPARATUS

#180
20160271429
2016-09-22

BREATHING APPARATUS

#181
20160236016
2016-08-18

BREATHING APPARATUS

#182
20160236015
2016-08-18

Carrying plate for breathing apparatus

#183
20160236014
2016-08-18

Blower filter device, respirator system and method

#184
20160228731
2016-08-11

Non-Breathing Alarm for Self-Contained-Breathing-Apparatus (SCBA)

#185
20160175624
2016-06-23

Head protection device and respirator device

#186
20160151649
2016-06-02

Respiratory protection equipment

#187
20160121146
2016-05-05

Respiratory protection hood

#188
20160121145
2016-05-05

Connection module, maintenance device and method for maintaining a closed-circuit breathing apparatus

#189
20160114196
2016-04-28

Spare Cylinder Pack

#190
20160082295
2016-03-24

Quick connect pressure reducer/cylinder valve for self-contained breathing apparatus

#191
20160059049
2016-03-03

Respirator filter interface

#192
20160045772
2016-02-18

Filtering face-piece respirator having an integrally-joined exhalation valve

#193
20160022523
2016-01-28

INTERLOCK VESSEL FOR HYPERBARIC TRANSFER SYSTEM

#194
20160016019
2016-01-21

Breathing apparatus equipment

#195
20160016018
2016-01-21

Fluid adapter and fluid coupling

#196
20160008639
2016-01-14

VALVE ASSEMBLY

#197
20160001105
2016-01-07

Automatic switchable exhale cartridge

#198
20160001104
2016-01-07

Combined exhale and inlet valve for respirator

#199
20160001101
2016-01-07

Respirator with phase change material

#200
20150367150
2015-12-24

Automatic switching device for a breathing apparatus with an alarm-relief function and automatic reset

#201
20150346174
2015-12-03

EXPOSURE MONITORING

#202
20150343245
2015-12-03

AIR CLEANING APPARATUS AND HEALTH EXAMINATION SYSTEM USING THE SAME

#203
20150335922
2015-11-26

Cable connector for use with a rotating connection

#204
20150314145
2015-11-05

Apparatus for providing controlled flow of inhalation-air

#205
20150290481
2015-10-15

Method for the control of the breathing gas supply

#206
20150283493
2015-10-08

Layered or mixed sorbent bed protective filtration device

#207
20150283409
2015-10-08

Oxygen Augmented Powered Air Purifying Respirator

#208
20150273249
2015-10-01

Portable Air Cleaner

#209
20150273247
2015-10-01

Mine Escape Self-Rescuer System and Method

#210
20150259057
2015-09-17

Thermal insulating bushing for piston first stages

#211
20150251026
2015-09-10

Method for prolonging the duration of use of a self-contained compressed air breathing apparatus

#212
20150240964
2015-08-27

Solenoid valve

#213
20150231420
2015-08-20

GARMENT

#214
20150231419
2015-08-20

Garment

#215
20150204484
2015-07-23

Breathing apparatus filling station and filling station recharging device

#216
20150196726
2015-07-16

Mask system

#217
20150190606
2015-07-09

Vent valve assembly

#218
20150151143
2015-06-04

Switchable exhale filter system

#219
20150107596
2015-04-23

Respiratory protection device

#220
20150101952
2015-04-16

Container with cover

#221
20150083133
2015-03-26

Airflow control valve

#222
20150068518
2015-03-12

Breathing air production and filtration system

#223
20150056905
2015-02-26

OXYGEN SUPPLY ELEVATOR

#224
20150047638
2015-02-19

Breathing apparatus and method of use

#225
20150047637
2015-02-19

Air warming apparatus

#226
20150040906
2015-02-12

DEMAND PNEUMATIC EMERGENCY OXYGEN SYSTEM

#227
20150034080
2015-02-05

Respiratory protection device

#228
20140366873
2014-12-18

Hybrid self-rescue equipment

#229
20140345627
2014-11-27

HELMET MOISTURE CONTROL SYSTEM

#230
20140261406
2014-09-18

SAFETY VEST FLOATATION SYSTEM WITH OXYGEN SUPPLY

#231
20140261405
2014-09-18

FACEPIECE WITH NOISE REDUCTION FOR COMMUNICATION

#232
20140216474
2014-08-07

Respirator negative pressure fit check devices and methods

#233
20140150780
2014-06-05

Protective breathing apparatus inhalation duct

#234
20140109908
2014-04-24

System for regulating the dispensing of commercial aircraft passenger oxygen supply

#235
20140102453
2014-04-17

Cable connector for use with a rotating connection

#236
20140102443
2014-04-17

SELF RESCUER INCLUDING SELF-CONTAINED BREATHING APPARATUS (SCBA) AND BREATHING AIR MONITOR (BAM)

#237
20140041662
2014-02-13

Self-contained breathing apparatus

#238
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

#239
20140002279
2014-01-02

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

#240
20140000594
2014-01-02

Aircraft passenger oxygen mask with closed circuit concept

#241
20140000592
2014-01-02

Chemical oxygen generator with bimetal reaction control

#242
20140000590
2014-01-02

Oxygen breathing device and method for maintaining an emergency oxygen system

#243
20130319420
2013-12-05

High performance ventilatory training mask incorporating multiple and adjustable air admittance valves for replicating various encountered altitude resistances

#244
20130306062
2013-11-21

OXYGEN ADMINISTRATION SYSTEM AND METHOD

#245
20130298910
2013-11-14

Breathing mask and regulator for aircraft

#246
20130276903
2013-10-24

Active valve for ventilators

#247
20130276784
2013-10-24

Multipurpose therapeutic face mask

#248
20130247913
2013-09-26

RESPIRATORY GAS SUPPLY CIRCUIT FOR AN AIRCRAFT CARRYING PASSENGERS

#249
20130174848
2013-07-11

Oxygen regulator to deliver breathing gas in an aircraft

#250
20130146052
2013-06-13

Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor port

#251
20130047991
2013-02-28

Supply valve for air respirator

#252
20130032141
2013-02-07

FLIP TOP VALVE FOR DRY SNORKELS

#253
20130025590
2013-01-31

Regulation valve for a life support system

#254
20120325216
2012-12-27

Breathing assembly for aircraft

#255
20120312303
2012-12-13

Self-contained breathing apparatus (SCBA) with safety quick disconnect for permitting safe and ready access to a replacement breathing component

#256
20120266889
2012-10-25

Breathing air production and distribution system

#257
20120219462
2012-08-30

Cleaning filter, air cleaning device using same, and air cleaning maintenance system

#258
20120145158
2012-06-14

Mask system

#259
20120132200
2012-05-31

Self rescuer including self-contained breathing apparatus (SCBA) and breathing air monitor (BAM)

#260
20120036622
2012-02-16

Protective suit for an individual and related assembly

#261
20110209712
2011-09-01

Gas mask

#262
20110203590
2011-08-25

DIRECTIONAL VALVE FOR A RESPIRATOR PRODUCT

#263
20110061655
2011-03-17

Breathing mask and regulator for aircraft

#264
20110048423
2011-03-03

Valve system for use with a flexible gas supply tube extending to a patient

#265
20110048422
2011-03-03

Variable Exhale Scuba Mouthpiece

#266
20110041853
2011-02-24

CIRCUIT FOR SUPPLYING A RESPIRATORY GAS TO AN AIRCRAFT PASSENGER FROM A PRESSURIZED SOURCE COMPRISING A PRESSURE REGULATING UNIT

#267
20100236554
2010-09-23

Devices, systems and methods for operation of breathing apparatuses in multiple modes

#268
20100224194
2010-09-09

Respirator flow control apparatus and method

#269
20100170515
2010-07-08

Breathing apparatus structure with two-stage reduced-pressure spare air bottle head

#270
20100132714
2010-06-03

Face piece seal check device

#271
20100101575
2010-04-29

METHOD AND APPARATUS FOR VENTILATION ASSISTANCE

#272
20100043797
2010-02-25

COMBINED REBREATHER BAIL OUT VALVE AND LOOP VOLUME VALVE

#273
20100037892
2010-02-18

Interlock vessel for hyperbaric transfer system

#274
20090314296
2009-12-24

System for regulating the dispensing of commercial aircraft passenger oxygen supply

#275
20090277452
2009-11-12

Mask system

#276
20090260631
2009-10-22

RESPIRATORY GAS SUPPLY CIRCUIT FOR AN AIRCRAFT CARRYING PASSENGERS

#277
20090260628
2009-10-22

Multipurpose therapeutic face mask

#278
20090241960
2009-10-01

DUAL HIGH AND LOW PRESSURE BREATHING SYSTEM

#279
20090235934
2009-09-24

FILTERING FACE-PIECE RESPIRATOR HAVING AN INTEGRALLY-JOINED EXHALATION VALVE

#280
20090188504
2009-07-30

MECHANICALLY ACTUATED EMERGENCY OXYGEN DELIVERY SYSTEM

#281
20090107515
2009-04-30

PROTECTIVE MASK

#282
20090014003
2009-01-15

Emergency oxygen system for aircraft passengers

#283
20080302360
2008-12-11

Self rescuer including self-contained breathing apparatus (SCBA) and breathing air monitor (BAM)

#284
20080257352
2008-10-23

Respirator exhalation unit

#285
20080223457
2008-09-18

Bi-directional valve

#286
20080223368
2008-09-18

Dispensing valve for breathing gas

#287
20080216837
2008-09-11

Universal pressure reducer for self-contained breathing apparatus

#288
20080202510
2008-08-28

Drain valve assembly

#289
20080196725
2008-08-21

Quick connect pressure reducer/cylinder valve for self-contained breathing apparatus

#290
20080196721
2008-08-21

Quick connect pressure reducer/cylinder valve for self-contained breathing apparatus

#291
20080178884
2008-07-31

Fluid Valve with Center Post

#292
20080178878
2008-07-31

Self-contained breathing apparatus (SCBA) with safety quick disconnect for permitting safe and ready access to a replacement breathing component

#293
20080172944
2008-07-24

Interlock vessel for hyperbaric transfer system

#294
20080149103
2008-06-26

Fluid flow control valve

#295
20080023004
2008-01-31

Control valve

#296
20070251525
2007-11-01

Devices, systems and methods for operation of breathing apparatuses in multiple modes

#297
20070151612
2007-07-05

Quick connect pressure reducer/cylinder valve for self-contained breathing apparatus

#298
20070144592
2007-06-28

Fluid flow control valve

#299
20070144523
2007-06-28

Mri/nmr compatible hyperpolarized gas delivery valves for ventilators and associated gas delivery methods

#300
20070144516
2007-06-28

Ventilator adaptable for use with either a dual-limb circuit or a single-limb circuit