C23C 2/20

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Class  C23C : COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL


Subclass 2/20: Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor Removing excess of molten coatings; Controlling or regulating the coating thickness (controlling or regulating thickness in general G05D 5/02) using fluids under pressure, e.g. air knives Removing excess of molten coatings from elongated material Strips; Plates

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12241161 Aluminum-zinc alloy plated steel sheet having excellent hot workability and corrosion resistance, and method for manufacturing sameAug 23, 19Mar 04, 25POSCO CO., LTD
12163230 Device for coating a metal strip with separately movable electromagnetic stabilizing device and blowing deviceJun 26, 23Dec 10, 24Fontaine Engineering und Maschinen GmbH
12098465 Coating weight control apparatus and coating weight control methodAug 21, 19Sep 24, 24POSCO CO., LTD.
12084751 Method for manufacturing cold-rolled or zinc-plated dual-phase steel plate over 980 MPaJun 14, 19Sep 10, 24Baoshan Iron & Steel Co., Ltd.
12084774 Gas wiping nozzle and method for manufacturing hot-dip metal coated metal stripApr 21, 21Sep 10, 24JFE Steel Corporation
12018379 Device including electromagnetic stabilizing device and blowing deviceOct 02, 15Jun 25, 24Fontaine Engineering und Maschinen GmbH
12012656 Apparatus for cooling hot-dip plated steel sheetOct 14, 19Jun 18, 24POSCO CO., LTD.
11866828 Plated steel sheet for hot stampingMar 09, 21Jan 09, 24501 Nippon Steel Corporation
11866829 Device and method for manufacturing a coated metal strip with improved appearance by adjusting a coating thickness using gas jet wipingNov 25, 20Jan 09, 24JOHN COCKERILL S.A.
11801665 Hot-dip galvanized steel sheet having excellent surface appearance and low-temperature bonding brittlenessNov 28, 19Oct 31, 23POSCO CO., LTD.
11802329 Method of producing hot-dip metal coated steel strip and continuous hot-dip metal coating lineJul 31, 19Oct 31, 23JFE Steel Corporation
11795535 Aluminum-based coating for flat steel products for press mold hardening components, and method for producing sameDec 27, 19Oct 24, 23SALZGITTER FLACHSTAHL GMBH
11761073 Hot dip coating device and methodJun 29, 18Sep 19, 23TATA STEEL NEDERLAND TECHNOLOGY B.V.
11761072 Mg-comprising hot-dip galvanized steel sheet manufacturing method and manufacturing apparatusDec 11, 18Sep 19, 23M.E.C CO., LTD
11697266 Plated steelApr 16, 20Jul 11, 23501 Nippon Steel Corporation
11685984 Method for controlling a coating weight uniformity in industrial galvanizing linesOct 14, 19Jun 27, 23Cockerill Maintenance & Ingenierie S.A.
11655532 Gas wiping nozzle and method of manufacturing hot-dip metal coated metal stripOct 29, 19May 23, 23JFE Steel Corporation
11655531 Hot dip coated steel strip having an improved surface appearance and method for production thereofSep 14, 18May 23, 23ThyssenKrupp Steel Europe AG
11618939 Galvanized steel sheet having excellent plating adhesion and corrosion resistanceNov 27, 19Apr 04, 23POSCO CO., LTD.
11572613 Method for manufacturing a metal sheet with a ZnAl coating and with optimized wiping, corresponding metal sheet, part and vehicleMay 14, 20Feb 07, 23Arcelormittal Commercial RPS S.A.R.L.

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0109,473 HOT-DIP PLATED STEEL SHEETJun 09, 23Apr 03, 25501 Nippon Steel Corporation
2025/0034,691 GAS WIPING NOZZLE AND METHODS FOR MANUFACTURING HOT-DIP METAL-COATED STEEL STRIP AND GAS WIPING NOZZLEOct 11, 22Jan 30, 25JFE Steel Corporation
2025/0003,029 PLATED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE ANDD SURFACE APPEARANCE AND METHOD FOR MANUFACTURING SAMESep 28, 22Jan 02, 25POSCO Co., Ltd
2025/0003,047 PLATED STEEL SHEETDec 06, 22Jan 02, 25501 Nippon Steel Corporation
2025/0003,048 PLATED STEEL SHEETJan 26, 23Jan 02, 25501 Nippon Steel Corporation
2024/0401,173 PLATED STEEL SHEET HAVING EXCELLENT PLATING ADHESION AND CORROSION RESISTANCE AFTER HOT PRESS FORMING, PREPARATION METHOD FOR PLATED STEEL SHEET, AND HOT PRESSED FORMING MEMBERDec 20, 22Dec 05, 24POSCO CO., LTD
2024/0401,181 COATING WEIGHT CONTROL APPARATUS AND COATING WEIGHT CONTROL METHODAug 08, 24Dec 05, 24Not available
2024/0360,541 PLATED STEEL SHEET HAVING EXCELLENT CORROSION RESISTANCE AND BENDABILITY AND METHOD FOR MANUFACTURING SAMESep 27, 22Oct 31, 24POSCO CO., LTD
2024/0352,569 METHOD FOR MANUFACTURING HOT-DIP METAL-COATED STEEL STRIPAug 25, 22Oct 24, 24JFE Steel Corporation
2024/0336,995 PLATED STEEL MATERIAL HAVING EXCELLENT PROCESSABILITY AND CORROSION RESISTANCEDec 15, 22Oct 10, 24Not available
2024/0327,962 HOT DIP GALVANIZED STEEL SHEET AND METHOD FOR PRODUCING SAMENov 29, 22Oct 03, 24501 Nippon Steel Corporation
2024/0271,264 DEVICE FOR COOLING A METAL STRIP WITH A HOT DIP COATING OF HIGH THICKNESSMar 24, 22Aug 15, 24Not available
2024/0254,612 STEEL-SHEET NON-PLATING DEFECT PREDICTION METHOD, STEEL-SHEET DEFECT REDUCTION METHOD, HOT-DIP GALVANIZED STEEL SHEET MANUFACTURING METHOD, AND STEEL-SHEET NON-PLATING DEFECT PREDICTION MODEL GENERATION METHODMar 25, 22Aug 01, 24JFE Steel Corporation
2024/0154,208 BATTERY UNITFeb 04, 22May 09, 24501 Nippon Steel Corporation
2024/0052,471 PLATED STEEL SHEET HAVING EXCELLENT SEALER ADHESION AND METHOD FOR MANUFACTURING SAMEDec 20, 21Feb 15, 24POSCO Co., Ltd
2024/0052,473 MULTI-JET AIR KNIFENov 26, 21Feb 15, 24TATA STEEL NEDERLAND TECHNOLOGY B.V.
2024/0026,513 PRE-COATED STEEL SHEET WITH ALUMINUM OR ALUMINUM ALLOY PRE-COATING, MANUFACTURING METHOD AND HOT STAMPED COMPONENTSOct 28, 20Jan 25, 24IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
2024/0018,639 HOT DIP COATING DEVICE AND METHODJul 28, 23Jan 18, 24TATA STEEL NEDERLAND TECHNOLOGY B.V.
2023/0212,728 GAS WIPING NOZZLE AND METHOD FOR MANUFACTURING HOT-DIP METAL COATED METAL STRIPApr 21, 21Jul 06, 23JFE Steel Corporation
2023/0193,444 INSTALLATION FOR COATING A RUNNING METAL PRODUCTMar 24, 21Jun 22, 23Not available

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