JP STEEL PLANTECH CO.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21B ROLLING OF METAL 923
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 551
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 544
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 489
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 421
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 315
 
  
 
B23C MILLING 231
 
  
 
F16H GEARING298
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 2105
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 128

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2012/0261,251 SYSTEM FOR TRANSPORTING RED-HOT COKEJun 25, 12Oct 18, 12[C10B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9505045 Leveler equipment and sheet material flattening methodNov 22, 13Nov 29, 16[B21D, B21B]
9387526 Roller leveler and plate flattening method using the sameApr 08, 13Jul 12, 16[B21D, B21B]
9333546 Roller leveler and metal sheet flattening methodFeb 03, 12May 10, 16[B21D, B21B]
9248486 Roller levelerFeb 03, 15Feb 02, 16[B21D, B21B]
9200340 PusherFeb 25, 11Dec 01, 15[F27B, F27D, C21C]
9174273 Method of and apparatus for controlling molten metal surface in mold of continuous-casting machine and continuous-casting machine including the apparatusOct 11, 12Nov 03, 15[B22D]
9157336 Waste heat recovery structure for steel making electric arc furnaces, steel making electric arc furnace facility, and waste heat recovery method for steel making electric arc furnacesApr 19, 11Oct 13, 15[F01K, F27D, F22B, C21C]
8424353 Welder for metal rolling system, metal rolling system, and metal rolling methodOct 20, 08Apr 23, 13[B21B]
8395073 Continuous rolling method and continuous rolling apparatusJun 08, 06Mar 12, 13[B23K]
8191392 Roll, rolling mill and rolling methodMay 01, 07Jun 05, 12[B21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0013,418 ROLLER LEVELER AND SHEET-MATERIAL FLATTENING METHODAbandonedJan 31, 13Jan 15, 15[B21D]
2013/0327,111 ROLLER LEVELER AND METAL SHEET FLATTENING METHODAbandonedFeb 03, 12Dec 12, 13[B21B]
8246283 Equipment and method for transporting red-hot cokeExpiredApr 28, 06Aug 21, 12[B65G]
2012/0152,057 ELECTRIC ARC MELTING FACILITY AND METHOD FOR PRODUCING MOLTEN METAL BY USING THE ELECTRIC ARC MELTING FACILITYAbandonedAug 23, 10Jun 21, 12[C22B]
2012/0125,152 ELECTRIC ARC MELTING FACILITY AND METHOD FOR PRODUCING MOLTEN METAL BY USING ELECTRIC ARC MELTING FACILITYAbandonedJul 22, 10May 24, 12[F27D, C21C]
2012/0103,047 ROLLER LEVELERAbandonedJun 15, 10May 03, 12[B21D]
2012/0009,049 RED HOT COKE RECEIVING AND CONVEYING APPARATUSAbandonedJun 17, 10Jan 12, 12[B65G, C10B]
2011/0168,352 AIR SUPPLY APPARATUS AND COOLING FACILITY FOR HOT GRAIN/LUMP MATERIAL PROVIDED WITH THE AIR SUPPLY APPARATUSAbandonedJun 09, 09Jul 14, 11[F28F]
6749425 Indirect heating furnaceExpiredMar 26, 03Jun 15, 04[F27B]
6506353 Process and apparatus for producing iron carbideExpiredMar 31, 99Jan 14, 03[C01B]
6416728 Method for producing iron carbideExpiredAug 10, 99Jul 09, 02[C01B]
2002/0061,237 Burr removing method and apparatusAbandonedDec 03, 01May 23, 02[B23D]
6270741 Operation management method of iron carbide production processExpiredAug 06, 99Aug 07, 01[C01B]
6264911 Production method of iron carbideExpiredAug 24, 99Jul 24, 01[C01B]
6116496 Method and apparatus for continuous rolling by reheating locally cold portions produced by clamping during flash-butt weldingExpiredJun 16, 97Sep 12, 00[H05B, B23K]
6071468 Apparatus for producing iron carbideExpiredApr 30, 98Jun 06, 00[C22B]
5957367 Continuous rolling method of billet and apparatus thereforExpiredApr 30, 97Sep 28, 99[B23K, B21B]
5719368 Apparatus for joining billets in continuous rolling millExpiredAug 26, 96Feb 17, 98[B23K]

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