PANGANG GROUP PANZHIHUA STEEL & VANADIUM CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in 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 639
 
  
 
C22C ALLOYS 567
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 247
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 121

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0194,729 HIGH-STRENGTH AND HIGHLY FATIGUE-RESISTANT STEEL RAIL AND PRODUCTION METHOD THEREOFJan 07, 16Jul 07, 16[B22D, C21D, C22C]
2016/0194,730 HIGH-IMPACT-TOUGHNESS STEEL RAIL AND PRODUCTION METHOD THEREOFJan 07, 16Jul 07, 16[B22D, C21D, C22C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9765414 Heat treatment method of turnout track and the turnout trackDec 27, 13Sep 19, 17[E01B, C21D]
9157131 High carbon content and high strength heat-treated steel rail and method for producing the sameNov 23, 10Oct 13, 15[C21D, C22C, B21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0060,736 PEARLITIC STEEL RAIL WITH HIGH STRENGTH AND TOUGHNESS AND PRODUCING METHOD THEREOFAbandonedJul 30, 15Mar 03, 16[C21D, C22C]
2013/0193,223 STEEL RAIL FOR HIGH SPEED AND QUASI-HIGH SPEED RAILWAYS AND METHOD OF MANUFACTURING THE SAMEAbandonedSep 02, 11Aug 01, 13[E01B]

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