CENTRAL IRON AND STEEL RESEARCH INSTITUTE

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 346
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 381
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 221
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS222
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9892832 Low-cost double-main-phase Ce permanent magnet alloy and its preparation methodMar 15, 13Feb 13, 18[H01F]
9643242 Back-up roll device and method for conducting corner deformation on chamfered continuous casting slabMar 13, 15May 09, 17[B22D]
9581387 Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereofFeb 13, 15Feb 28, 17[F27B, C21B]
9089894 Chamfered narrow side copper plate for mould with funnel-shaped curved surfaceJun 03, 14Jul 28, 15[B22D]
8986601 Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereofAug 30, 10Mar 24, 15[F27B, C21B]
8776862 Chamfered narrow side copper plate for mould with funnel-shaped curved surfaceMay 02, 12Jul 15, 14[B22D]
8048191 Compound magnetic powder and magnetic powder cores, and methods for making them thereofDec 14, 06Nov 01, 11[H01F, C22C]
7847242 Pulse heating-time of flight mass spectrometric gas elements analyzerOct 28, 08Dec 07, 10[H01J, B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0258,842 Fe-based amorphous magnetic powder, magnetic powder core with excellent high frequency properties and method of making themAbandonedNov 10, 06Nov 08, 07[B22F]
5927117 Methods to measure and control strip shape in rollingExpiredOct 10, 97Jul 27, 99[B21B]
5389333 Hydrogen storage alloysExpiredAug 31, 93Feb 14, 95[H01M, C22C]
5338376 Iron-nickel based high permeability amorphous alloyExpiredJun 03, 93Aug 16, 94[H01F]

Top Inventors for This Owner

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