ClassID:

121126

C25F1/06 - CPC Classification

Classification description:

Pickling; Descaling in solution Iron or steel

Recent Application in this class:
#1
20250059615
2025-02-20

FERRITIC STAINLESS STEEL SHEET AND PRODUCTION METHOD THEREFOR

#2
20240376579
2024-11-14

FERRITIC STAINLESS STEEL SHEET, AND METHOD FOR PRODUCING FERRITIC STAINLESS STEEL SHEET

#3
20240313232
2024-09-19

STAINLESS STEEL HAVING EXCELLENT CONTACT RESISTANCE OR PEMFC SEPARATOR AN METHOD OF MANUFACTURING SAME

#4
20230420698
2023-12-28

AUSTENITIC STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR WITH IMPROVED CONTACT RESISTANCE AND MANUFACTURING METHOD THEREOF

#5
20230383390
2023-11-30

FERRITIC STAINLESS STEEL AND COMPONENT FOR EXHAUST GAS

#6
20220411952
2022-12-29

ELECTRO-ASSISTED PICKLING OF STEEL

#7
20220359888
2022-11-10

STAINLESS STEEL FOR SEPARATION PLATE OF POLYMER ELECTROLYTE MEMBRANE FUEL CELL HAVING IMPROVED HYDROPHILIC PROPERTY AND CORROSION RESISTANCE, AND MANUFACTURING METHOD THEREFOR

#8
20220359096
2022-11-10

ELECTROCHEMICAL SURFACE TREATMENT

#9
20220263095
2022-08-18

FERRITIC STAINLESS STEEL SHEET FOR CURRENT COLLECTORS FOR SULFIDE-BASED SOLID-STATE BATTERIES, AND METHOD FOR MAUFACTURING SAME

#10
20220190562
2022-06-16

Pretreatment method for pretreating components prior to electroplating

#11
20220177989
2022-06-09

METHOD FOR MANUFACTURING OF STAINLESS STEEL STRIPS

#12
20220002896
2022-01-06

METHOD FOR THE SURFACE TREATMENT OF A METAL OR ALLOY PRODUCT, AND METAL OR ALLOY PRODUCT

#13
20210270706
2021-09-02

PREPARATION METHOD FOR IRON-BASED ALLOY POWDER EBSD TEST SAMPLE

#14
20210269920
2021-09-02

Method for manufacturing stainless steel for polymer fuel cell separator having excellent contact resistance

#15
20210156017
2021-05-27

Hot-dip Sn—Zn-based alloy-plated steel sheet

#16
20200340126
2020-10-29

Stainless steel sheet for fuel cell separators and production method therefor

#17
20200280075
2020-09-03

Stainless steel for separation plate of polymer electrolyte membrane fuel cell having improved hydrophilic property and corrosion resistance, and manufacturing method therefor

#18
20190203371
2019-07-04

Passivation surface treatment of stainless steel

#19
20190186040
2019-06-20

VERTICAL ELECTROLYTIC DEVICE

#20
20190156962
2019-05-23

ELECTROLYTIC TREATMENT FOR NUCLEAR DECONTAMINATION

#21
20190119825
2019-04-25

Electrolytic brush assembly

#22
20190013525
2019-01-10

Stainless steel for polymer fuel cell separation plate having improved hydrophilicity and contact resistance and method for manufacturing same

#23
20170263357
2017-09-14

Method of manufacturing grain-oriented electrical steel sheet

#24
20170067131
2017-03-09

HIGH-STRENGTH STEEL SHEET AND METHOD OF MANUFACTURING HIGH-STRENGTH STEEL SHEET

#25
20160362760
2016-12-15

HIGH-STRENGTH STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

#26
20160298258
2016-10-13

Metal laminate structures with systems and methods for treating

#27
20160289784
2016-10-06

High-strength steel sheet and method for manufacturing the same

#28
20160201214
2016-07-14

Targeted heat exchanger deposit removal by combined dissolution and mechanical removal

#29
20160194744
2016-07-07

METHOD OF PRODUCING HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET AND METHOD OF PRODUCING HIGH-STRENGTH GALVANNEALED STEEL SHEET

#30
20160002762
2016-01-07

High-strength steel sheet and production method therefor and high-strength galvanized steel sheet and production method therefor (as amended)

#31
20150345361
2015-12-03

Ferritic stainless steel for automotive exhaust system, which have excellent corrosion resistance against condensate, moldability, and high-temperature oxidation resistance, and method for manufacturing same

#32
20150299869
2015-10-22

Method of cleaning of steel sheet surface and use of a detergent composition thereof

#33
20150118506
2015-04-30

Metal laminate structures with systems and methods for treating

#34
20150114845
2015-04-30

Targeted heat exchanger deposit removal by combined dissolution and mechanical removal

#35
20150111004
2015-04-23

Grain-oriented electrical steel sheet and method of manufacturing same

#36
20140373980
2014-12-25

Ferrite-based stainless steel plate having excellent resistance against scale peeling, and method for manufacturing same

#37
20130168256
2013-07-04

System and method for electropolishing or electroplating conveyor belts

#38
20130074871
2013-03-28

Stainless steel pickling in an oxidizing, electrolytic acid bath

#39
20110259759
2011-10-27

Method and device for decontaminating a metallic surface

#40
20100193082
2010-08-05

Method of surface treatment of metal base material

#41
20100065167
2010-03-18

Annealing and pickling process

#42
20090202380
2009-08-13

Austenitic stainless steel strip having a bright surface finish and excellent mechanical properties

#43
20070289878
2007-12-20

Method and Device for Picking Metals

#44
20070148355
2007-06-28

Apparatus and methods for deoxidizing metal surfaces

#45
20060037868
2006-02-23

Process and plant for descaling, pickling and finishing passivating stainless steel strips, and strips so obtainable

#46
20060006072
2006-01-12

Pre-treating method for plating a Fe-Mn-Al alloy surface

#47
20050279645
2005-12-22

Process for electrolytic derusting of ferrous materials using natural seawater