CHINA STEEL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22C ALLOYS 567
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 419
 
  
 
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 441
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 4194
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 292
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
B21B ROLLING OF METAL 131
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 128
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0083,814 HIGH TEMPERATURE OXIDATION-RESISTANT COATED STEEL PLATE AND HOT STAMPING METHOD THEREOFJan 12, 15Mar 24, 16[C21D, B21D, C22C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9486984 Steel sheet and fabrication method thereofMay 05, 15Nov 08, 16[C23C, C21D, B32B, C22C]
9174256 Hot rolling high-pressure fluid descaling method and descaling apparatusFeb 21, 12Nov 03, 15[B08B, B21B]
9096810 Method for producing a bio-coalJan 23, 13Aug 04, 15[C10L]
9048388 Multi-layer thermoelectric module and method for fabricating the sameJul 08, 13Jun 02, 15[H01L]
8851387 Anti-counterfeiting bottleMay 25, 11Oct 07, 14[G06K]
8568652 Resident measurement system for charge level of blast furnaceDec 27, 10Oct 29, 13[C21B]
8561912 RFID tag having capacitive loadApr 17, 13Oct 22, 13[G06K]
8556185 RFID tag having capacitive loadApr 17, 13Oct 15, 13[G06K]
8510978 RFID tag holderNov 02, 11Aug 20, 13[G09F]
8366994 Method for manufacturing cobalt alloy-based ceramic composite sputtering targetNov 04, 10Feb 05, 13[C22C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0159,369 ENERGY-DISSIPATING JUNCTION ASSEMBLY AND SHOCKPROOF STRUCTURE USING THE SAMEAbandonedJun 10, 14Jun 11, 15[E04B]
8440111 Lead-free conductive paste compositionExpiredMay 17, 11May 14, 13[H01B]
8436581 System for testing electromagnetic characteristics of an electromagnetic steel sheet in response to a non-sinusoidal wave control signalExpiredApr 19, 10May 07, 13[H02J]
8410669 Piezoceramic transducer and method for manufacturing the sameExpiredDec 16, 10Apr 02, 13[H01L]
2012/0274,010 METHOD AND AUXILIARY DEVICE FOR PRECISION POSITIONING OF WELDED TYPE NOZZLESAbandonedApr 19, 12Nov 01, 12[B25B]
2012/0268,251 WIRELESS IDENTIFICATION TAG HAVING CIRCULARLY POLARIZED PLANAR ANTENNAAbandonedNov 04, 11Oct 25, 12[H04Q]
2012/0052,288 FILM STRUCTURE AND METHOD FOR MANUFACTURING THE SAMEAbandonedDec 07, 10Mar 01, 12[C23C, B32B]
2011/0290,891 RFID TAG HAVING CAPACITIVE LOADAbandonedMay 19, 11Dec 01, 11[G06K]
2010/0283,569 ELECTROMAGNETIC WINDING ASSEMBLYAbandonedMay 06, 09Nov 11, 10[H01F]
7728716 Piezoelectric buzzerExpiredAug 01, 07Jun 01, 10[G08B]
2009/0317,280 METHOD FOR MANUFACTURING METAL-BASED CERAMIC COMPOSITE TARGET CONTAINING NOBLE METALAbandonedSep 26, 08Dec 24, 09[B22F]
2008/0159,121 WRITE-ONCE OPTICAL RECORDING MEDIUMAbandonedAug 06, 07Jul 03, 08[G11B]
2008/0150,690 Radio frequency identification tag device having a metal substrateAbandonedDec 20, 06Jun 26, 08[H04B]
2006/0093,511 Reflective alloy filmAbandonedNov 03, 04May 04, 06[C22C]
7026583 Surface mountable PTC deviceExpiredApr 05, 04Apr 11, 06[H05B]
6766896 Scraping deviceExpiredMar 27, 03Jul 27, 04[B65G]
2004/0120,864 Apparatus for removing acid substances from hot flue gasAbandonedDec 18, 02Jun 24, 04[B01D]
5925312 Push-pull apparatus adapted for assembling and disassembling a tubular body that is to be fitted into a ring retainer on a wall memberExpiredJun 17, 98Jul 20, 99[C21B]
5181408 Method of measuring and compensating roll eccentricity of a rolling millExpiredMar 20, 91Jan 26, 93[G01L, G06G, G01D, B21B]
5123969 Bake-hardening cold-rolled steel sheet having dual-phase structure and process for manufacturing itExpiredFeb 01, 91Jun 23, 92[C21D]

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