Class C21D : MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
Subclass 1/26: General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (furnaces in general F27; electric heating H05B) Methods of annealing
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12258649 | High-resistance steel strip comprising a temperature homogenisation chamber | Dec 07, 23 | Mar 25, 25 | DREVER INTERNATIONAL S.A.; John Cockerill SA; |
| 12247261 | Oriented electrical steel with high magnetic induction and annealing method thereof | Sep 30, 24 | Mar 11, 25 | INNER MONGOLIA UNIVERSITY OF TECHNOLOGY |
| 12243680 | Method and device for producing soft magnetic strip material for strip ring cores | Feb 04, 20 | Mar 04, 25 | Vacuumschmelze GmbH & Co. KG |
| 12227822 | Hot-dip coated steel substrate | May 02, 23 | Feb 18, 25 | Arcelormittal Commercial RPS S.A.R.L. |
| 12221682 | Ultrahigh-strength steel having excellent cold workability and SSC resistance, and manufacturing method therefor | Nov 29, 19 | Feb 11, 25 | POSCO CO., LTD. |
| 12215397 | High-yield-ratio cold-rolled dual-phase steel and manufacturing method therefor | Nov 22, 19 | Feb 04, 25 | Baoshan Iron & Steel Co., Ltd. |
| 12173378 | Method for manufacturing grain-oriented electrical steel sheet | Jan 16, 20 | Dec 24, 24 | 501 Nippon Steel Corporation |
| 12165794 | Soft magnetic alloy and magnetic device | Jan 29, 19 | Dec 10, 24 | 501 TDK Corporation |
| 12157925 | Method of manufacturing Martensitic steel and a Martensitic steel thereof | Nov 15, 19 | Dec 03, 24 | Arcelormittal Commercial RPS S.A.R.L. |
| 12049688 | Austenitic stainless steel having excellent electrical conductivity, and method for manufacturing same | Jun 14, 19 | Jul 30, 24 | POSCO CO., LTD. |
| 12031192 | Continuous hot-dip galvanizing apparatus | Jun 12, 23 | Jul 09, 24 | JFE STEEL CORPORATION |
| 12006562 | Hot dip galvanized steel sheet and method for producing same | Feb 06, 20 | Jun 11, 24 | 501 Nippon Steel Corporation |
| 12000032 | Superalloy seamless tube and preparation method thereof | Jun 04, 20 | Jun 04, 24 | JIANGSU UNIVERSITY |
| 11993823 | High strength annealed steel products and annealing processes for making the same | Aug 19, 19 | May 28, 24 | United States Steel Corporation |
| 11959158 | Hot-work die steel with high toughness at low temperatures and high strength at high temperatures and high hardenability and preparation method thereof | Oct 14, 21 | Apr 16, 24 | University of Science & Technology Beijing |
| 11891674 | High-strength multiphase tinned steel raw plate and manufacturing method therefor | Aug 28, 18 | Feb 06, 24 | Baoshan Iron & Steel Co., Ltd. |
| 11859259 | Zinc-plated steel sheet and manufacturing method thereof | Apr 26, 19 | Jan 02, 24 | 501 Nippon Steel Corporation |
| 11834726 | Method for producing a stainless steel sheet with modified visual characteristics | Aug 27, 21 | Dec 05, 23 | OUTOKUMPU OYJ |
| 11827950 | Method of manufacturing high-strength steel sheet having excellent processability | Nov 22, 22 | Nov 28, 23 | POSCO CO., LTD. |
| 11821053 | System for conditioning material using a laser and method thereof | Jun 30, 16 | Nov 21, 23 | Magna International Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0066,893 | AUSTENITIC STAINLESS STEEL AND METHOD FOR PRODUCING AUSTENITIC STAINLESS STEEL | Jan 23, 23 | Feb 27, 25 | Not available |
| 2025/0051,867 | GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME | Dec 21, 22 | Feb 13, 25 | POSCO CO., LTD |
| 2025/0035,607 | Method for evaluating the hydrogen content in a steel sheet | Dec 06, 22 | Jan 30, 25 | Not available |
| 2025/0034,674 | Method for manufacturing an annealed steel sheet | Dec 06, 22 | Jan 30, 25 | Not available |
| 2025/0010,579 | STEEL SHEET FOR HOT PRESS FORMED MEMBER | Sep 20, 24 | Jan 09, 25 | POSCO CO., LTD. |
| 2024/0425,959 | CONTINUOUS ANNEALING LINE, CONTINUOUS HOT-DIP GALVANIZING LINE, AND STEEL SHEET PRODUCTION METHOD | May 17, 22 | Dec 26, 24 | JFE Steel Corporation |
| 2024/0417,830 | NON-ORIENTED SILICON STEEL FOR DRIVING MOTORS OF NEW ENERGY VEHICLES AND PRODUCTION METHOD THEREOF | Jan 27, 22 | Dec 19, 24 | Not available |
| 2024/0410,040 | AUSTENITE ALLOY, BLANK AND COMPONENT, AND METHOD | Sep 09, 22 | Dec 12, 24 | Siemens Energy Global GmbH & Co. KG |
| 2024/0376,579 | FERRITIC STAINLESS STEEL SHEET, AND METHOD FOR PRODUCING FERRITIC STAINLESS STEEL SHEET | Apr 15, 22 | Nov 14, 24 | NIPPON STEEL Stainless Steel Corporation |
| 2024/0368,717 | METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET | May 27, 22 | Nov 07, 24 | JFE Steel Corporation |
| 2024/0360,538 | STEEL FOR HIGH-TEMPERATURE CARBURIZED GEAR SHAFT AND MANUFACTURING METHOD FOR STEEL | Apr 19, 22 | Oct 31, 24 | Baoshan Iron & Steel Co., Ltd. |
| 2024/0327,941 | ALLOY, RAW WORKPIECE, COMPONENT CONSISTING OF AUSTENITE, AND METHOD FOR HEAT-TREATING AN AUSTENITE | Sep 01, 21 | Oct 03, 24 | Not available |
| 2024/0318,690 | COMPONENT FOR A ROLLING BEARING AND CORRESPONDING METHOD FOR PRODUCING THE COMPONENT | Jul 23, 21 | Sep 26, 24 | Not available |
| 2024/0295,015 | NON-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD THEREOF | Jun 23, 22 | Sep 05, 24 | JFE Steel Corporation |
| 2024/0287,634 | METHOD FOR PRODUCING AN OXIDATION PROTECTION COATING AT LEAST IN REGIONS ON A COMPONENT OF A THERMAL GAS TURBINE | Feb 20, 24 | Aug 29, 24 | MTU Aero Engines AG |
| 2024/0263,265 | HIGH STRENGTH STEEL PRODUCTS AND ANNEALING PROCESSES FOR MAKING THE SAME | Apr 19, 24 | Aug 08, 24 | Not available |
| 2024/0247,333 | METHOD OF DETERMINING FINAL ANNEALING CONDITIONS FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET USING METHOD OF DETERMINING THEREOF | Mar 03, 22 | Jul 25, 24 | JFE Steel Corporation |
| 2024/0240,293 | METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET | May 27, 22 | Jul 18, 24 | JFE Steel Corporation |
| 2024/0198,633 | STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT PAINTING ADHESION AND POST-PAINTING CORROSION RESISTANCE, AND METHOD FOR MANUFACTURING SAME | Feb 23, 24 | Jun 20, 24 | POSCO CO., LTD. |
| 2024/0186,040 | CONTINUOUS ULTA-RAPID ANNEALING OF NANOCRYSTALLINE SOFT MAGNETIC MATERIALS | Feb 27, 23 | Jun 06, 24 | Not available |
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