Description
Class C25F : PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
Subclass 3/06: Electrolytic etching or polishing Etching of iron or steel
C25F 3/06
Sub-Class
Stats
- 40 US PATENTS IN FORCE
- 9 US APPLICATIONS PENDING
- 12 Total Patent Owners
- 191 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11990261 | Grain-oriented electrical steel sheet | Mar 04, 21 | May 21, 24 | JFE Steel Corporation |
| 11923580 | Stainless steel for fuel cell separator plate and manufacturing method therefor | Jul 29, 16 | Mar 05, 24 | POSCO CO., LTD |
| 11745279 | System and method for machining workpiece and article machined therefrom | May 05, 17 | Sep 05, 23 | General Electric Company |
| 11629428 | Metal article, method for manufacturing the metal article, and metal composite | May 27, 21 | Apr 18, 23 | Fulian Yuzhan Precision Technology Co., Ltd |
| 11618967 | Production method for stainless steel sheet for fuel cell separators | Sep 27, 18 | Apr 04, 23 | JFE Steel Corporation |
| 11542615 | Method of producing an electrocatalyst | Sep 19, 18 | Jan 03, 23 | Hymeth APS |
| 11504770 | Dissolving metal supports in 3D printed metals and ceramics using sensitization | Feb 16, 17 | Nov 22, 22 | Arizona Board of Regents on behalf of Arizona State University; The Penn State Research Foundation; |
| 11396712 | Manufacturing method of surface-treated zinc-nickel alloy electroplated steel sheet having excellent corrosion resistivity and paintability | Jun 28, 19 | Jul 26, 22 | POSCO |
| 11398631 | Stainless steel for separation plate of polymer electrolyte membrane fuel cell having improved hydrophilic property and corrosion resistance, and manufacturing method therefor | Dec 16, 16 | Jul 26, 22 | POSCO |
| 11355275 | Laser-scribed grain-oriented silicon steel resistant to stress-relief annealing and manufacturing method therefor | Jan 24, 18 | Jun 07, 22 | Baoshan Iron & Steel Co., Ltd. |
| 11137326 | Method for extracting metal compound particles, method for analyzing the metal compound particles, and electrolytic solution used therefor | Feb 17, 17 | Oct 05, 21 | 501 Nippon Steel Corporation |
| 11111595 | Apparatus for electrolytic etching and dissolution and method for extracting metal compound particles | Feb 17, 17 | Sep 07, 21 | 501 Nippon Steel Corporation |
| 11065396 | Method of producing needle cannula with reduced end portion by electrochemical etching | Apr 06, 17 | Jul 20, 21 | Novo Nordisk A/S |
| 11045902 | Linear groove formation method and linear groove formation device | Jul 06, 16 | Jun 29, 21 | JFE Steel Corporation |
| 10954601 | Method of producing die, die, and interior component of vehicle | Mar 21, 17 | Mar 23, 21 | TOYOTA BOSHOKU KABUSHIKI KAISHA |
| 10930940 | Stainless steel sheet for fuel cell separators, and production method therefor | May 22, 17 | Feb 23, 21 | JFE Steel Corporation |
| 10906134 | Grain-oriented electrical steel sheet | Apr 19, 16 | Feb 02, 21 | 501 Nippon Steel Corporation |
| 10774396 | Seawater-resistant stainless clad steel | Jun 20, 18 | Sep 15, 20 | JFE Steel Corporation |
| 10763517 | Stainless steel sheet for fuel cell separators, and production method therefor | May 22, 17 | Sep 01, 20 | JFE Steel Corporation |
| 10756270 | 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 | Dec 11, 18 | Aug 25, 20 | ANYCASTING CO., LTD. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0083,413 | STAINLESS STEEL POLYMER ADHESION LAYER | Feb 27, 24 | Mar 13, 25 | Not available |
| 2023/0212,777 | SYSTEMS AND METHODS FOR REGULATING HYDROGEN TRANSPORT OUT OF STRUCTURAL MATERIALS | Jul 29, 21 | Jul 06, 23 | Not available |
| 2023/0160,090 | METHOD FOR SURFACE TREATMENT AND/OR PRODUCTION OF A MEDICAL PRODUCT, AND A MEDICAL PRODUCT | Apr 01, 21 | May 25, 23 | Not available |
| 2023/0151,509 | METHOD FOR THE SURFACE TREATMENT AND/OR MANUFACTURE OF A MEDICAL PRODUCT, AND MEDICAL PRODUCT | Apr 01, 21 | May 18, 23 | Not available |
| 2023/0003,624 | METHOD OF EXTRACTING PRECIPITATE AND/OR INCLUSION, METHOD OF QUANTITATIVE ANALYSIS OF PRECIPITATE AND/OR INCLUSION, ELECTROLYTE, AND METHOD OF PRODUCING REPLICA SAMPLE | Nov 18, 20 | Jan 05, 23 | Not available |
| 2021/0039,350 | METAL PRODUCT, METAL COMPOSITE ARTICLE, AND METHODS FOR MANUFACTURING THE SAME | Jul 31, 20 | Feb 11, 21 | Not available |
| 2020/0248,332 | PRODUCTION METHOD FOR STAINLESS STEEL SHEET FOR FUEL CELL SEPARATORS | Sep 27, 18 | Aug 06, 20 | JFE STEEL CORPORATION |
| 2019/0390,362 | Chemical Wall-Treatment Method That Reduces the Formation of Coke | Dec 19, 17 | Dec 26, 19 | Not available |
| 2019/0358,933 | COMPOSITE OF STAINLESS STEEL AND RESIN, METHOD FOR MANUFACTURING THE SAME | May 10, 19 | Nov 28, 19 | Samsung Electronics Co., Ltd. |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 40 Months (last 2 years Issuances)
- 40 Months (last 5 years Issuances)