ClassID:

121136

C25F3/06 - CPC Classification

Classification description:

Electrolytic etching or polishing; Etching of iron or steel

Recent Application in this class:
#1
20260043166
2026-02-12

DUAL ACTIVITY OF COPPER MODIFIED NANOTEXTURED STAINLESS STEEL

#2
20250198044
2025-06-19

PULSED NANO SURFACING METHODS

#3
20250125072
2025-04-17

ULTRA-MICRO ELECTRODE FOR ELECTROCHEMICAL ANALYSIS AND METHOD OF MANUFACTURING THE SAME

#4
20250083413
2025-03-13

STAINLESS STEEL POLYMER ADHESION LAYER

#5
20230212777
2023-07-06

SYSTEMS AND METHODS FOR REGULATING HYDROGEN TRANSPORT OUT OF STRUCTURAL MATERIALS

#6
20230183882
2023-06-15

SOFT MASK TECHNOLOGY FOR ENGINE SURFACE TEXTURING

#7
20230178276
2023-06-08

Grain-oriented electrical steel sheet

#8
20230160090
2023-05-25

METHOD FOR SURFACE TREATMENT AND/OR PRODUCTION OF A MEDICAL PRODUCT, AND A MEDICAL PRODUCT

#9
20230151509
2023-05-18

METHOD FOR THE SURFACE TREATMENT AND/OR MANUFACTURE OF A MEDICAL PRODUCT, AND MEDICAL PRODUCT

#10
20230065692
2023-03-02

Electrolyte Solution

#11
20230003624
2023-01-05

METHOD OF EXTRACTING PRECIPITATE AND/OR INCLUSION, METHOD OF QUANTITATIVE ANALYSIS OF PRECIPITATE AND/OR INCLUSION, ELECTROLYTE, AND METHOD OF PRODUCING REPLICA SAMPLE

#12
20220402017
2022-12-22

Methods For Producing and Using a Textile Machine Tool Part

#13
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

#14
20220205127
2022-06-30

Method for forming holes, metal product, and metal composite

#15
20220161382
2022-05-26

METHOD AND DEVICE FOR DRY TREATMENT OF METAL SURFACES BY MEANS OF ELECTRICALLY ACTIVE SOLID PARTICLES

#16
20210395915
2021-12-23

METHOD FOR REMOVING METAL SUPPORTING STRUCTURES ON AN ADDITIVELY MANUFACTURED METAL COMPONENT

#17
20210370635
2021-12-02

Metal article, method for manufacturing the metal article, and metal composite

#18
20210285118
2021-09-16

Manufacturing method of surface-treated zinc-nickel alloy electroplated steel sheet having excellent corrosion resistivity and paintability

#19
20210270706
2021-09-02

PREPARATION METHOD FOR IRON-BASED ALLOY POWDER EBSD TEST SAMPLE

#20
20210245231
2021-08-12

Textile Machine Tool Part and Method for Producing a Textile Tool

#21
20210178084
2021-06-17

METHOD OF PRODUCING NEEDLE CANNULA WITH REDUCED END PORTION BY ELECTROCHEMICAL ETCHING

#22
20210039350
2021-02-11

METAL PRODUCT, METAL COMPOSITE ARTICLE, AND METHODS FOR MANUFACTURING THE SAME

#23
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

#24
20200248332
2020-08-06

Production method for stainless steel sheet for fuel cell separators

#25
20200248323
2020-08-06

Method of producing an electrocatalyst

#26
20200152875
2020-05-14

Multi array electrode having projecting electrode parts arrayed thereon, method of manufacturing the same, and method of manufacturing organic deposition mask using the multi array electrode

#27
20200141843
2020-05-07

Apparatus for electrolytic etching and dissolution and method for extracting metal compound particles

#28
20200141023
2020-05-07

Method for extracting metal compound particles, method for analyzing the metal compound particles, and electrolytic solution used therefor

#29
20200058434
2020-02-20

Laser-scribed grain-oriented silicon steel resistant to stress-relief annealing and manufacturing method therefor

#30
20190390362
2019-12-26

Chemical Wall-Treatment Method That Reduces the Formation of Coke

#31
20190358933
2019-11-28

COMPOSITE OF STAINLESS STEEL AND RESIN, METHOD FOR MANUFACTURING THE SAME

#32
20190314895
2019-10-17

Dissolving metal supports in 3D printed metals and ceramics using sensitization

#33
20190305328
2019-10-03

Stainless steel sheet for fuel cell separators, and production method therefor

#34
20190299309
2019-10-03

System and method for machining workpiece and article machined therefrom

#35
20190296369
2019-09-26

Stainless steel sheet for fuel cell separators, and production method therefor

#36
20190105448
2019-04-11

Method of producing needle cannula with reduced end portion by electrochemical etching

#37
20180298477
2018-10-18

Seawater-resistant stainless clad steel

#38
20180222097
2018-08-09

Stainless steel and synthetic resin composite molded body, and preparation method thereof

#39
20180219201
2018-08-02

Stainless steel for fuel cell separator plate and manufacturing method therefor

#40
20180147663
2018-05-31

Linear groove formation method and linear groove formation device

#41
20180119242
2018-05-03

METHOD FOR FORMING LINEAR GROOVE ON COLD ROLLED STEEL STRIP AND METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#42
20180057956
2018-03-01

METHOD FOR FORMING LINEAR GROOVE ON STEEL STRIP AND METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#43
20180036838
2018-02-08

Grain-oriented electrical steel sheet

#44
20180030612
2018-02-01

Method for continuous electrolytic etching of grain oriented electrical steel strip and apparatus for continuous electrolytic etching of grain oriented electrical steel strip

#45
20180017868
2018-01-18

MANUFACTURING METHOD FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#46
20170362730
2017-12-21

Method for optically inscribing and/or marking round stock

#47
20170292201
2017-10-12

Method of producing die, die, and interior component of vehicle

#48
20170263357
2017-09-14

Method of manufacturing grain-oriented electrical steel sheet

#49
20170204530
2017-07-20

Method for delamination of ceramic hard material layers from steel and cemented carbide substrates

#50
20170114472
2017-04-27

Systems and methods for producing anti-wetting structures on metallic surfaces

#51
20170002478
2017-01-05

Apparatus and method for ionic liquid electroplating

#52
20160349621
2016-12-01

METHODS FOR TEXTURING A CHAMBER COMPONENT AND CHAMBER COMPONENTS HAVING A TEXTURED SURFACE

#53
20160312376
2016-10-27

Method for maintenance of used permanent cathode plates

#54
20160030968
2016-02-04

Coating device and coating method

#55
20150315717
2015-11-05

Sealed laminated structure

#56
20150147586
2015-05-28

Method for producing a metal coating

#57
20150132596
2015-05-14

Heat-absorbing material and process for producing same

#58
20150111004
2015-04-23

Grain-oriented electrical steel sheet and method of manufacturing same

#59
20150020966
2015-01-22

Apparatus and method for forming lubricant recess having minute configuration in curved inner surface

#60
20140360886
2014-12-11

Method for manufacturing fluid handling discs with porous mesh plates for use in ultrasonic mesh nebulizers

#61
20140042030
2014-02-13

SEALED LAMINATED STRUCTURE, SYSTEM AND METHOD FOR ELECTROLYTIC PROCESSING THE SAME

#62
20130040163
2013-02-14

Stainless steel-and-amorphous alloy composite and method for manufacturing

#63
20120308917
2012-12-06

Surface alloying of stainless steel

#64
20120145556
2012-06-14

System and method for causing cavitation in a liquid metal

#65
20120132275
2012-05-31

DYE-SENSITIZED SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME

#66
20110259759
2011-10-27

Method and device for decontaminating a metallic surface

#67
20100129697
2010-05-27

Stainless steel separator for fuel cell and the manufacturing method thereof

#68
20100072076
2010-03-25

SURFACE TREATMENT METHOD FOR HOUSINGS

#69
20090130535
2009-05-21

Separator for low-temperature type fuel cell and production method therefor

#70
20050159281
2005-07-21

Aluminum sheet embossing roll

#71
20050118452
2005-06-02

Roll for metal rolling, and support for lithographic printing plate

#72
20050057004
2005-03-17

Stainless steel plate, method of manufacturing the same, and rubber-coated stainless steel plate gasket