Zircoa, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C03B MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL 146
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8911824 Method of impregnating crucibles and refractory articlesDec 31, 08Dec 16, 14[C04B, F27B]
8074472 Grinding beads and method of producing the sameJul 31, 07Dec 13, 11[C03B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0162,771 METHOD OF FORMING CERAMIC STRINGS AND FIBERSAbandonedDec 31, 08Jul 01, 10[C03B]
5484559 Apparatus and process for manufacturing balls made of a ceramic materialExpiredApr 14, 94Jan 16, 96[B29B]
5416795 Quick change crucible for vacuum melting furnaceExpiredMay 20, 94May 16, 95[H05B]
5041315 Flexible ceramic member and method of production thereofExpiredMay 15, 89Aug 20, 91[F16L, F16F]
4906349 Process for the manufacture of a measuring probe for a measuring head to detect the oxygen activity of metal melts and a measuring probe manufactured by such a processExpiredOct 12, 88Mar 06, 90[G01N]

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