PANGANG GROUP COMPANY LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS222
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 122
 
  
 
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 144
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127
 
  
 
C22C ALLOYS 171

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9157131 High carbon content and high strength heat-treated steel rail and method for producing the sameNov 23, 10Oct 13, 15[C21D, C22C, B21B]
9115412 Method of manufacturing direct reduction iron and reduction firing apparatusJun 04, 13Aug 25, 15[F27B, F27D, C21B]
8742000 Preparation method of hot dip galvanized sheet anti-corrosive treatment agent of environmental protectiveNov 26, 09Jun 03, 14[C09D, C08K, B32B]
8475707 Method of manufacturing direct reduction iron and reduction firing apparatusDec 09, 10Jul 02, 13[C22B, F27B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0193,223 STEEL RAIL FOR HIGH SPEED AND QUASI-HIGH SPEED RAILWAYS AND METHOD OF MANUFACTURING THE SAMEAbandonedSep 02, 11Aug 01, 13[E01B]
2011/0182,787 METHOD FOR PRODUCING TITANIUM TETRACHLORIDE BY USING LOW-GRADE TITANIUM MATERIALAbandonedDec 19, 08Jul 28, 11[C01G]

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