RHI AG

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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 247
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 122

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8273288 Regulation method for throughflow and bottom nozzle of a metallurgical vesselNov 23, 05Sep 25, 12[B22D]
8012405 Regulation method for melt throughflow through a melt throughflow apertureFeb 25, 10Sep 06, 11[C21B]
7028868 Refractory nozzleJul 08, 02Apr 18, 06[B22D]
5362692 Free-flowing refractory casting slipJul 31, 92Nov 08, 94[C04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0233,899 Discharge nozzle for installation inside the base of a metallurgical vesselAbandonedOct 25, 11Sep 12, 13[B22D]
2012/0055,958 BOTTOM POURING NOZZLE FOR USE IN A CONTAINER FOR METAL MELTSAbandonedApr 21, 10Mar 08, 12[B22D]
8017069 Ceramic seating stone and metallurgical vesselExpiredDec 14, 06Sep 13, 11[C21B]
6832707 Refractory nozzle for a metallurgical vesselExpiredJan 31, 03Dec 21, 04[B22D]
6772921 Refractory nozzleExpiredJul 08, 02Aug 10, 04[B22D]

Top Inventors for This Owner

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