ClassID:

169022

G01N33/0067 - CPC Classification

Classification description:

Investigating or analysing materials by specific methods not covered by groups -; Gaseous mixtures, e.g. polluted air; General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital by measuring the rate of variation of the concentration

Recent Application in this class:
#1
20260086077
2026-03-26

FECAL GAS COMPONENT RATIO ANALYSIS METHOD FOR BRISTOL STOOL TYPE CLASSIFICATION

#2
20260056768
2026-02-26

Handling Memory Requests

#3
20260056181
2026-02-26

Methods and System for Detecting Subsurface High-Pressure Gas Reservoirs

#4
20250389702
2025-12-25

LOCALIZATION ANALYTICS ALGORITHMS AND METHODS

#5
20250208106
2025-06-26

ENVIRONMENTAL MONITORING DEVICE USING SMART PHONE

#6
20250186933
2025-06-12

MANAGEMENT DEVICE, MANAGEMENT METHOD, AND ACIDIC GAS ADSORPTION SYSTEM

#7
20250110033
2025-04-03

SYSTEMS AND METHODS TO EVALUATE A FOAMER FOR UNLOADING LIQUID IN OIL AND GAS WELLS OF MATURE FIELDS

#8
20250091435
2025-03-20

SENSOR SYSTEM FOR PASSIVE IN-VEHICLE BREATH ALCOHOL ESTIMATION

#9
20250003937
2025-01-02

Fire-Detecting Sensor Module and Electric Switchboard with the Same

#10
20240361289
2024-10-31

SYSTEMS AND METHODS FOR ANALYZING AIR OF AN INDOOR ENVIRONMENT

#11
20240332727
2024-10-03

GAS DETECTION IN BATTERIES

#12
20240230612
2024-07-11

HANDLING MEMORY REQUESTS

#13
20240201158
2024-06-20

GAS DETECTOR DEVICE CONTROL BASED UPON ACCESSORY IDENTIFICATION

#14
20240201157
2024-06-20

GAS ANALYSIS DEVICE, FLUID CONTROL SYSTEM, PROGRAM FOR GAS ANALYSIS, AND GAS ANALYSIS METHOD

#15
20240175854
2024-05-30

AIR POLLUTION FORECAST MANAGEMENT SYSTEM AND AIR POLLUTION FORECAST MANAGEMENT METHOD

#16
20240142427
2024-05-02

DETERMINATION DEVICE, DETERMINATION METHOD, AND SENSOR DEVICE

#17
20240133855
2024-04-25

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

#18
20240125751
2024-04-18

System and method for gas reuse in testing of hazardous gas detecting instruments

#19
20240119818
2024-04-11

SYSTEM, DEVICE, AND METHOD FOR SMOKE DISCRIMINATION AND IDENTIFICATION OF FIRE SOURCE

#20
20240102983
2024-03-28

System and Method for Simultaneously Examining, Maintaining and Calibrating Multiple Sensors and Sensor Types

#21
20240102982
2024-03-28

Method for displaying concentration data of a substance and an associated apparatus

#22
20240083826
2024-03-14

DATA PROCESSING DEVICE AND GAS CONVERSION SYSTEM

#23
20240077465
2024-03-07

DRIVE ROUTE SELECTION METHODOLOGY

#24
20230375516
2023-11-23

GAS DETECTION DEVICE AND GAS DETECTION PROCESS WITH AUTOMATIC NOISE COMPENSATION

#25
20230298451
2023-09-21

SYSTEM AND METHOD FOR AIR QUALITY MONITORING AND REPORTING

#26
20230288360
2023-09-14

GAS SENSOR, ELECTRONIC APPARATUS, AND METHOD OF SENSING GAS

#27
20230273168
2023-08-31

AROMA COMPONENT ASSESSMENT METHOD AND FLAVOR AND/OR FRAGRANCE COMPOSITION PREPARATION METHOD

#28
20230221294
2023-07-13

ODOR DETECTION DEVICE, ODOR DETECTION METHOD, AND PROGRAM

#29
20230184732
2023-06-15

FLUID QUALITY TRACING METHOD AND SYSTEM

#30
20230174092
2023-06-08

VEHICLE AND METHOD OF DISPLAYING NITROGEN OXIDE EMISSIONS OF VEHICLE

#31
20230087032
2023-03-23

Method for displaying concentration data of a substance and an associated apparatus

#32
20230031118
2023-02-02

METHOD AND APPARATUS FOR PULSE GAS DELIVERY WITH CONCENTRATION MEASUREMENT

#33
20230020905
2023-01-19

Methods of reducing the occurance of false positives in gas detectors

#34
20230010457
2023-01-12

METHOD AND DEVICE FOR OPERATING A GAS SENSOR

#35
20220252566
2022-08-11

REAL-TIME ODOR TRACKING SYSTEM USING VEHICULAR ODOR MEASURING DEVICE

#36
20220055478
2022-02-24

Sensor system for passive in-vehicle breath alcohol estimation

#37
20220034862
2022-02-03

Method for differentiating between natural formation hydrocarbon and cracked hydrocarbon using mud gas measurements

#38
20220034857
2022-02-03

APPARATUSES, COMPUTER-IMPLEMENTED METHODS, AND COMPUTER PROGRAM PRODUCTS FOR DYNAMIC ITERATIVE BASELINE ADJUSTMENT

#39
20220032097
2022-02-03

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

#40
20210380272
2021-12-09

Calibration methods for gas sensors mounted in-stream of drone propeller air flow

#41
20210311009
2021-10-07

Information processing apparatus, control method, and non-transitory storage medium

#42
20210247369
2021-08-12

Localization analytics algorithms and methods

#43
20210247341
2021-08-12

Gas detection device and gas detection method using metal-oxide semiconductor gas sensor

#44
20210223220
2021-07-22

Nanostructured gas sensor array and the apparatus incorporating the same

#45
20210215655
2021-07-15

Method and apparatus for pulse gas delivery with concentration measurement

#46
20210201185
2021-07-01

Environmental state analysis method, and user terminal and non-transitory medium implementing same

#47
20210140916
2021-05-13

Gas sensor

#48
20210063371
2021-03-04

GAS-MEASURING SYSTEM AND PROCESS FOR OPERATING A GAS-MEASURING SYSTEM

#49
20210055273
2021-02-25

Apparatus and method for measuring gas concentration

#50
20200408730
2020-12-31

Concentration measurement method and concentration measurement device

#51
20200355659
2020-11-12

System and method for gas reuse in testing of hazardous gas detecting instruments

#52
20200182847
2020-06-11

SYSTEM AND METHOD FOR PERFORMING INDUSTRIAL PROCESSES ACROSS FACILITIES

#53
20200121221
2020-04-23

Determining a risk level posed by an air pollutant

#54
20200116688
2020-04-16

Methods of using dilution of a second type to calibrate one or more sensors

#55
20200045386
2020-02-06

Steam quality process monitor

#56
20200030515
2020-01-30

Method for tailoring dialysis treatment based on sensed potassium concentration in blood serum or dialysate

#57
20200030514
2020-01-30

System for tailoring dialysis treatment based on sensed potassium concentration, patient data, and population data

#58
20190383780
2019-12-19

SYSTEMS AND METHODS FOR PREDICTING GAS CONCENTRATION VALUES

#59
20190376941
2019-12-12

System and method for monitoring a reforming catalyst

#60
20190331582
2019-10-31

Gas detecting device

#61
20190271673
2019-09-05

System and method for performing industrial processes across facilities

#62
20190257803
2019-08-22

GAS SENSOR BASELINE CORRECTION USING MULTIPLE CO-LOCATED GAS SENSORS

#63
20190137466
2019-05-09

System and method for monitoring a reforming catalyst

#64
20190004022
2019-01-03

System and method for connecting an external device to a gas detector

#65
20180372770
2018-12-27

Methods and apparatus for measuring gas flux

#66
20180299417
2018-10-18

Electronic device and method for utilizing gas sensor

#67
20180296123
2018-10-18

Device and method for monitoring a subject

#68
20180284090
2018-10-04

Optoelectronic device for the selective detection of volatile organic compounds and related manufacturing process

#69
20180238847
2018-08-23

Method for evaluating exhaust gas simulation

#70
20180136184
2018-05-17

RAPID RESPONSE CURVES AND SURVEY MEASUREMENTS

#71
20180106775
2018-04-19

Method and system for human presence correlation using carbon dioxide

#72
20180101175
2018-04-12

System and method for tracking pollution

#73
20180088097
2018-03-29

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

#74
20170274768
2017-09-28

Sensor system for passive in-vehicle breath alcohol estimation

#75
20170168487
2017-06-15

SYSTEM AND METHOD FOR TRACKING POLLUTION

#76
20160356752
2016-12-08

Systems and methods for predicting gas concentration values

#77
20160202200
2016-07-14

Gas sensor device

#78
20160139028
2016-05-19

TRACKING OF THE RATE OF CORROSION OF A METAL CONDUIT TRAVERSED BY A CORROSIVE FLUID

#79
20160131627
2016-05-12

Reaction carrier, measuring system and measuring method for determining gas and particle concentrations, and optical flow sensor

#80
20160103111
2016-04-14

OCCUPANT SAFETY SYSTEM WITH C02 DETECTION

#81
20150250192
2015-09-10

Method and a monitoring system for monitoring gas stunning of birds

#82
20150204831
2015-07-23

Measuring chemical properties of a sample fluid in dialysis systems

#83
20150151251
2015-06-04

Method for diagnosing a selective catalytic reduction catalyst

#84
20140278145
2014-09-18

Method and system for human presence correlation using carbon dioxide

#85
20140212979
2014-07-31

Method for determining analyte type and/or concentration with a diffusion based metal oxide gas sensor

#86
20130268208
2013-10-10

Methods and apparatus for measuring gas flux

#87
20120258545
2012-10-11

Measuring chemical properties of a sample fluid in dialysis systems

#88
20100262382
2010-10-14

METHOD AND APPARATUS FOR CONTINUOUS MEASUREMENT OF DIFFERENCES IN GAS CONCENTRATIONS

#89
18648344
2026-06-02

Methane emission assessment using mobile surveys over time in a target area

#90
17974023
2023-12-12

System for tailoring dialysis treatment based on sensed potassium concentration, patient data, and population data