ClassID:

24590

A62B18/088 - CPC Classification

Classification description:

Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort; Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices Devices for indicating filter saturation

Recent Application in this class:
#1
20260007910
2026-01-08

ENHANCED FACE MASKS FOR IMPROVED EFFICACY AND USABILITY

#2
20250281776
2025-09-11

POWERED AIR BREATHING APPARATUS

#3
20250010109
2025-01-09

SYSTEMS AND METHODS FOR ADSORPTION CAPACITY ESTIMATION

#4
20240299781
2024-09-12

CUSTOM-CONTROLLABLE POWERED RESPIRATOR FACE MASK

#5
20240181280
2024-06-06

SYSTEMS AND METHODS FOR ADSORPTION CAPACITY ESTIMATION

#6
20240123266
2024-04-18

MASK DEVICE AND CONTROL METHOD THEREFOR

#7
20240050782
2024-02-15

WEARABLE AIR PURIFIER

#8
20240050777
2024-02-15

WEARABLE AIR PURIFIER

#9
20230347187
2023-11-02

DIGITAL CHANGE MANAGEMENT SYSTEM FOR RESPIRATOR FILTER CARTRIDGES

#10
20230310908
2023-10-05

RESPIRATORY PROTECTION MASK

#11
20230310907
2023-10-05

POWERED AIR BREATHING APPARATUS

#12
20230233886
2023-07-27

RESPIRATOR

#13
20230149749
2023-05-18

Custom-controllable powered respirator face mask

#14
20230118894
2023-04-20

Adsorbent cartridge with accurate visual indicator

#15
20230001240
2023-01-05

INTELLIGENT AIR PURIFIER APPARATUS

#16
20220208391
2022-06-30

SMART MASK

#17
20220054869
2022-02-24

NEGATIVE PRESSURE REUSABLE RESPIRATOR SYSTEM FOR SAFETY EVENT DETECTION

#18
20220016451
2022-01-20

Personal Air Filtering Device with Air Mover Pulling Air Out of the Device

#19
20210346731
2021-11-11

Monitoring system for mask device with alert messages and related methods

#20
20200276461
2020-09-03

Powered air breathing apparatus

#21
20200179859
2020-06-11

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

#22
20190374797
2019-12-12

Filter tube respirator

#23
20190275359
2019-09-12

Custom-controllable powered respirator face mask

#24
20190269946
2019-09-05

Nasal air filter

#25
20190262573
2019-08-29

Adsorbent cartridge with accurate visual indicator

#26
20190242861
2019-08-08

PATTERNED CHEMICAL INDICATOR

#27
20190143154
2019-05-16

Compact powered air purifying respirator with auto-change filter and built-in end of service life indicator

#28
20190111287
2019-04-18

Temperature-based estimation of scrubbing capacity of a gas scrubber

#29
20180369616
2018-12-27

Respirator mask management system

#30
20180311517
2018-11-01

Smart respiratory face mask module

#31
20180256926
2018-09-13

SMART MASK CAPABLE OF MONITORING AIR QUALITY INHALED BY USER

#32
20180221691
2018-08-09

Powered air breathing apparatus

#33
20180104517
2018-04-19

Air purifier apparatus with flexible filter modules

#34
20180028846
2018-02-01

Breath responsive powered air purifying respirator

#35
20170246486
2017-08-31

SYSTEMS AND METHODS FOR AIR FILTRATION MONITORING

#36
20170080261
2017-03-23

System and method for monitoring a service life of a filter with a respirator filter sampling port assembly

#37
20160354718
2016-12-08

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

#38
20160317845
2016-11-03

Breathing apparatus

#39
20160220854
2016-08-04

Nasal air filter

#40
20160213954
2016-07-28

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

#41
20160030877
2016-02-04

End of service life indicating systems for layered filter cartridges

#42
20150174435
2015-06-25

Personal air filter

#43
20150020800
2015-01-22

End of service life indicator for a respirator

#44
20140377135
2014-12-25

Filter systems including patterned optical analyte sensors and optical readers

#45
20140326134
2014-11-06

End of service life indicating systems for layered filter cartridges

#46
20140283840
2014-09-25

Remaining service life indication system for gas masks cartridges and canisters

#47
20140001376
2014-01-02

End of service life indicator for organic vapor respirator filter cartridge

#48
20130327335
2013-12-12

Air cleaning apparatus and method for predicting breakthrough time for the same

#49
20130263640
2013-10-10

Method for correlating a monitoring device to the end of service life of a filter cartridge

#50
20130239813
2013-09-19

Portable monitor for end of service life indication

#51
20130186279
2013-07-25

Filter systems including patterned optical analyte sensors and optical readers

#52
20130169967
2013-07-04

Alignment registration feature for analyte sensor optical reader

#53
20130146052
2013-06-13

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

#54
20130104900
2013-05-02

Respirators with a sacrificial cartridge for end of service life indication

#55
20130047982
2013-02-28

End of service life indicator for respirator

#56
20130010288
2013-01-10

Filter systems including optical analyte sensors and optical readers

#57
20120222674
2012-09-06

Breathing apparatus

#58
20120055815
2012-03-08

Remaining Service Life Indication System for Gas Masks Cartridges and Canisters

#59
20110232646
2011-09-29

RESPIRATORY INTERFACE DEVICE WITH FILTRATION MEDIUM

#60
20110094514
2011-04-28

Patterned chemical sensor having inert occluding layer

#61
20110088611
2011-04-21

Exposure indicating device

#62
20100294274
2010-11-25

Filter cartridge having cone of visibility for end-of-service-life-indicator (ESLI)

#63
20100294273
2010-11-25

Filter cartridge having location-registered view window for end-of-service-life-indicator (ESLI)

#64
20100294272
2010-11-25

Filter cartridge having cover for masking service life indicator

#65
20100284010
2010-11-11

Respirator end-of-service life probe

#66
20100231196
2010-09-16

Service life indicator for chemical filters

#67
20100225134
2010-09-09

Harness assembly for a dual-mode tailgate

#68
20100153023
2010-06-17

Systems and methods for determining filter service lives

#69
20090298192
2009-12-03

Determining effluent concentration profiles and service lives of air purifying respirator cartridges

#70
20090212962
2009-08-27

Oxygen Generating System with Self-Contained Electronic Diagnostics and Fault-Tolerant Operation

#71
20090056536
2009-03-05

Service life indicator for chemical filters

#72
20070137491
2007-06-21

End of service and residual life indicator

#73
17476478
2024-06-04

Polymer-based composite beads comprised of metal-organic frameworks and metal oxides for toxic chemical removal