ClassID:

169075

G01N33/222 - CPC Classification

Classification description:

Investigating or analysing materials by specific methods not covered by groups -; Fuels, explosives Solid fuels, e.g. coal

Recent Application in this class:
#1
20260049969
2026-02-19

MATERIAL ANALYSIS METHOD

#2
20260015241
2026-01-15

METHODS FOR PRODUCING GRAPHENE FROM COAL

#3
20250250489
2025-08-07

COAL BLENDS, FOUNDRY COKE PRODUCTS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#4
20250123418
2025-04-17

Coal Spontaneous Combustion Downhole Detection System and Method Based on Self-Potential Method

#5
20250116602
2025-04-10

COAL ANALYZER, COAL ANALYSIS METHOD, MIXED COAL PREPARATION METHOD, AND COKE PRODUCTION METHOD

#6
20240361294
2024-10-31

Method of analyzing influencing factors of contribution rate of elastic energy of top plate during catastrophe of coal body

#7
20240272016
2024-08-15

A METHOD AND A SYSTEM FOR MONITORING AND ON-LINE DETERMINING OF A CALORIFIC VALUE OF SOLID FUEL THAT IS CURRENTLY COMBUSTED IN A BOILER

#8
20240150667
2024-05-09

Coal blends, foundry coke products, and associated systems, devices, and methods

#9
20240150659
2024-05-09

Coal blends, foundry coke products, and associated systems, devices, and methods

#10
20240002732
2024-01-04

Custom Coke Production

#11
20230366542
2023-11-16

Optical feedback control mechanism for solid reactant strand positioning

#12
20230323211
2023-10-12

METHOD FOR PREPARING COAL OR CAKING ADDITIVE AND METHOD FOR PRODUCING COKE

#13
20230296486
2023-09-21

METHOD FOR EVALUATING THERMOPLASTICITY OF COAL OR CAKING ADDITIVE

#14
20230010507
2023-01-12

METHOD FOR PREDICTING AND EVALUATING ADHESION OF COMBUSTION ASH IN COAL-MIXED COMBUSTION BOILER

#15
20220290054
2022-09-15

Method of estimating surface tension of coal inert material, method of estimating surface tension of coal, and method of producing coke

#16
20220164499
2022-05-26

Method and system for determining transportation safety of pulverized coal

#17
20220163501
2022-05-26

METHOD OF EVALUATING COAL, METHODS OF PREPARING COAL BLEND, AND METHOD OF PRODUCING COKE

#18
20220136947
2022-05-05

Coal and gangue identification device and coal and gangue sorting system

#19
20210403329
2021-12-30

Systems for producing advanced carbon materials at carbon source locations

#20
20210380416
2021-12-09

Methods for producing advanced carbon materials from coal

#21
20210363018
2021-11-25

Methods for producing carbon fiber from coal

#22
20210363017
2021-11-25

Methods for forming resins and other byproducts from raw coal

#23
20210231591
2021-07-29

Coal consumption online measuring system

#24
20210094830
2021-04-01

METHODS FOR PRODUCING GRAPHENE FROM COAL

#25
20200369971
2020-11-26

Operating guide system of coal gasification plant and apparatus and method therefor

#26
20200340935
2020-10-29

Generating and determining the products of premixed combustion of solid materials in a microscale fire calorimeter

#27
20200264106
2020-08-20

Method for detecting moisture and volatile matter content of raw coal by using value of baseline drift

#28
20200184132
2020-06-11

Apparatus and method for predicting deformation temperature of coal using predictive model

#29
20190383234
2019-12-19

INTEGRATED ROCKET MOTOR AGING SENSOR

#30
20190194828
2019-06-27

Methods for producing carbon fibers from coal

#31
20190194544
2019-06-27

Methods for producing advanced carbon materials from coal

#32
20190194364
2019-06-27

Methods for forming resins and other byproducts from raw coal

#33
20190194025
2019-06-27

Systems for producing advanced carbon materials at carbon source locations

#34
20190194022
2019-06-27

Methods for producing graphene from coal

#35
20190154585
2019-05-23

Method for detecting coal quality using Raman spectroscopy

#36
20190120481
2019-04-25

Method for operating a steam generation system

#37
20180306692
2018-10-25

Method for automatic thermogravimetric volatile analysis of coal and coke

#38
20180045703
2018-02-15

Method of analyzing sintered density of uranium oxide (UOx) using spectrophotometer

#39
20180031501
2018-02-01

Evaluating method for coal and producing method for coke

#40
20180017539
2018-01-18

Coal-to-coal adhesiveness evaluation method

#41
20170284991
2017-10-05

In situ monitoring of coke morphology in a delayed coker using AC impedance

#42
20170218276
2017-08-03

Method for manufacturing coke, coke, and method for evaluating homogeneity of coal blend

#43
20170146679
2017-05-25

Test apparatus and a test method for the wetted perimeter of coal seam water injection

#44
20170137716
2017-05-18

Coal mixture, method for manufacturing coal mixture, and method for manufacturing coke

#45
20170059462
2017-03-02

Device and method using infrared radiation to observe coal rock fracture development process

#46
20160370305
2016-12-22

Using 3D computed tomography to analyze shaped charge explosives

#47
20160258891
2016-09-08

Method and apparatus for estimation of heat value using dual energy x-ray transmission and fluorescence measurements

#48
20160084816
2016-03-24

Method for evaluating weathering degree of coal, method for evaluating coking property of weathered coal, method for controlling weathering degree of coal, and method for producing coke

#49
20160032193
2016-02-04

Method and apparatus for testing coal coking properties

#50
20160018378
2016-01-21

SYSTEMS AND METHODS FOR BOOSTING COAL QUALITY MEASUREMENT STATEMENT OF RELATED CASES

#51
20150075962
2015-03-19

Method for blending coals for cokemaking and method for producing coke

#52
20150075961
2015-03-19

Method for blending coals, and method for producing coke

#53
20150040468
2015-02-12

Method for preparing coal mixture for cokemaking, coal mixture, and method for producing coke

#54
20150039242
2015-02-05

Coal-to-coal adhesiveness evaluation method

#55
20140302614
2014-10-09

IMPEDANCE-BASED SENSOR FOR DETECTION OF CATALYST COKING IN FUEL REFORMING SYSTEMS

#56
20140246589
2014-09-04

Apparatus and methods for detecting propellant degradation in solid propellant fuel

#57
20140183770
2014-07-03

Methods for determining green electrode electrical resistivity and methods for making electrodes

#58
20140144071
2014-05-29

Method for evaluating thermal plasticity of coals and caking additives, and method for producing coke

#59
20140061018
2014-03-06

Method and apparatus for testing coal coking properties

#60
20140026636
2014-01-30

System and method for contaminant detection in fluid streams

#61
20130224872
2013-08-29

Apparatus and methods for detecting propellant degradation in solid propellant fuel

#62
20130101087
2013-04-25

System and method for measuring ash content and calorified value of coal

#63
20120300207
2012-11-29

Device for determining the volume fraction of at least one component of a multi-phase medium

#64
20120107751
2012-05-03

Method for suppressing adhesion of ash and device for suppressing adhesion of ash in boiler

#65
20120013472
2012-01-19

Systems and Methods of Monitoring Combustible Gases in a Coal Supply

#66
20110134424
2011-06-09

Method of measuring gadolinia content using inductively coupled plasma-atomic emission spectrometry

#67
20100294023
2010-11-25

Propellant ignition testing apparatus having a compressively sealable chamber

#68
20070219730
2007-09-20

Input/Loss Method using the genetics of fossil fuels for determining fuel chemistry, calorific value and performance of a fossil-fired power plant

#69
16561638
2020-09-01

Laser-induced spectroscopy system and process

#70
15339051
2017-12-05

Device and method for checking fuel pellets with IFBA

#71
11342941
2014-10-21

Ballistic modifier formulation for double base propellant