ClassID:

84499

C01B17/021 - CPC Classification

Classification description:

Sulfur; Compounds thereof; Preparation of sulfur; Purification Separation of sulfur from gases

Recent Application in this class:
#1
20250223196
2025-07-10

H2S REMOVAL FROM PRODUCED WATER BY PLASMA

#2
20250222396
2025-07-10

SIMULTANEOUS H2 PRODUCTION AND CO2 CAPTURE FROM ACID GAS STREAM

#3
20240327208
2024-10-03

PRODUCING HYDROGEN FROM HYDROGEN SULFIDE

#4
20230311086
2023-10-05

Zero Emission Waste System and Method

#5
20230046206
2023-02-16

System and method for resource recycling of sulfur dioxide

#6
20220194802
2022-06-23

Method for the desulfurization of methane-containing gases

#7
20200360854
2020-11-19

Sulfur recovery operation with improved carbon dioxide recovery

#8
20200299134
2020-09-24

Gas-solid separating method and system for simple substance sulphur in sulphur-containing exhaust

#9
20180290076
2018-10-11

Sulfur seal device

#10
20180078895
2018-03-22

Methods for methane purification

#11
20180002177
2018-01-04

Sulfur trap

#12
20170225102
2017-08-10

Sulfur seal device

#13
20160045852
2016-02-18

Sulfur trap

#14
20140079614
2014-03-20

Process for reducing sulfur emission of sulfur plant

#15
20130247763
2013-09-26

Sulfur seal device

#16
20110174155
2011-07-21

Method for removing sulfur from a gas stream

#17
20110033370
2011-02-10

System and method for sulfur recovery

#18
20100175865
2010-07-15

In-situ gas analyzer probe

#19
20090317322
2009-12-24

Method and device for the continuous production of hydrogen sulfide

#20
20090242379
2009-10-01

Regenerated sulfur recovery apparatus

#21
20090238750
2009-09-24

Integrated process for the production of hydrogen from hydrogen sulphide

#22
20080283382
2008-11-20

Device and method for measuring elemental sulfur in gas in gas lines

#23
20080267830
2008-10-30

System and process for treating sulfur

#24
20050095721
2005-05-05

Device and method for measuring elemental sulfur in gas in gas lines

#25
20050011362
2005-01-20

Sulfur trap sealing device

#26
16905204
2021-06-22

Process and device for converting hydrogen sulfide into hydrogen gas and sulfur

#27
14867524
2017-09-12

Polyphasic pressurized homogenizer (PPH) and methods for methane purification

#28
13759317
2015-12-22

Sulfur trap