Nippon Crucible Company, Ltd.

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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 148
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 117
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS123
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 124
 
  
 
1509 MACHINE TOOLS, ABRADING AND FOUNDING MACHINERY128

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8460601 Vessel for molten metalMar 10, 09Jun 11, 13[B22D]
D654520 Crucible for meltingJun 16, 10Feb 21, 12[1509]
7858022 Crucible-type continuous melting furnaceJun 08, 06Dec 28, 10[F27B]
6549558 Melting and holding furnace for aluminum blocksApr 20, 01Apr 15, 03[F27D]
5810907 Continuous melting apparatus for low-melting point metal, improved crucible for such apparatus, and melting method using such apparatusJul 09, 97Sep 22, 98[C22B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0151,943 VALUABLE METAL RECOVERY APPARATUSAbandonedNov 30, 12Jun 05, 14[F27D]
8124006 Ladle for molten metal deliveryExpiredMar 23, 07Feb 28, 12[C21C]
2009/0250,453 Electric conduction heating deviceAbandonedSep 01, 05Oct 08, 09[F27D]
2009/0065,987 Molten metal ladleAbandonedOct 14, 05Mar 12, 09[B22D]
7481967 Molten metal transporting containerExpiredJul 23, 04Jan 27, 09[C21C]
7354547 Molten-metal transferring ladle and molten-metal tapping methodExpiredJan 13, 06Apr 08, 08[C21C]
2007/0289,508 Apparatus And Method For Heating TreatmentAbandonedSep 01, 05Dec 20, 07[F23G, B09B]
2003/0002,560 Dipping type optical fiber radiation thermometer for molten metal thermometry and thermometry method for molten metalAbandonedJul 15, 02Jan 02, 03[G01K]
6281266 Tap hole blocking material for metal melting apparatusExpiredJun 16, 00Aug 28, 01[C04B, B22D]
6245287 Molten metal vessel and molten metal holding furnaceExpiredMar 24, 98Jun 12, 01[C21B]
5747400 Method of drying lining refractory material for instrument/apparatusExpiredJul 16, 96May 05, 98[C04B]
5135893 Carbonaceous ceramic composite for use in contact with molten nonferrous metalExpiredNov 30, 90Aug 04, 92[C04B]
4442050 Spray method applying monolithic refractory materialExpiredAug 20, 79Apr 10, 84[F27D]
4377413 Refractory composition for flow castingExpiredJul 30, 81Mar 22, 83[C04B]
4359625 Method of preheating immersion nozzle for continuous castingExpiredNov 07, 79Nov 16, 82[H05B, B22D, B67D]
4311301 Guide trough for molten productsExpiredSep 26, 79Jan 19, 82[F27D]
4224073 Active silicon carbide powder containing a boron component and process for producing the sameExpiredAug 04, 78Sep 23, 80[C04B]
4217335 Process for producing .beta.-silicon carbide fine powderExpiredJun 14, 79Aug 12, 80[C01B]

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