Assignee
NIPPON CRUCIBLE CO
17 granted patents·2 pending applications·243 citations·filing 1975–2012
Top patents by PatentIndex Score
19 records- 0182US4117096AProcess for producing powder of β-type silicon carbideNIPPON CRUCIBLE CO·Filed 1977·Granted Sep 26, 1978·25 cites·5 claims
- 0281US4217335AProcess for producing β-silicon carbide fine powderNIPPON CRUCIBLE CO·Filed 1979·Granted Aug 12, 1980·23 cites·7 claims
- 0379US4171984ARefractory composition for flow castingNIPPON CRUCIBLE CO·Filed 1978·Granted Oct 23, 1979·34 cites·13 claims
- 0475US4359625AMethod of preheating immersion nozzle for continuous castingNIPPON CRUCIBLE CO·Filed 1979·Granted Nov 16, 1982·13 cites·2 claims
- 0575US4069057AMonolithic refractory materialsNIPPON CRUCIBLE CO·Filed 1976·Granted Jan 17, 1978·30 cites·5 claims
- 0673US4442050ASpray method applying monolithic refractory materialNIPPON CRUCIBLE CO·Filed 1978·Granted Apr 10, 1984·21 cites·5 claims
- 0769US4059662AMethod of making immersion nozzle and long stopper for continuous casting of steelNIPPON CRUCIBLE CO·Filed 1975·Granted Nov 22, 1977·10 cites·6 claims
- 0868US7354547B2Molten-metal transferring ladle and molten-metal tapping methodNIPPON CRUCIBLE CO·Filed 2006·Granted Apr 8, 2008·2 cites·14 claims
- 0965US5810907AContinuous melting apparatus for low-melting point metal, improved crucible for such apparatus, and melting method using such apparatusNIPPON CRUCIBLE CO·Filed 1997·Granted Sep 22, 1998·25 cites·14 claims
- 1058US6281266B1Tap hole blocking material for metal melting apparatusNIPPON CRUCIBLE CO·Filed 1999·Granted Aug 28, 2001·18 cites·6 claims
- 1156US4224073AActive silicon carbide powder containing a boron component and process for producing the sameNIPPON CRUCIBLE CO·Filed 1978·Granted Sep 23, 1980·9 cites·3 claims
- 1254US6549558B1Melting and holding furnace for aluminum blocksNIPPON CRUCIBLE CO·Filed 1999·Granted Apr 15, 2003·17 cites·8 claims
- 1353US7858022B2Crucible-type continuous melting furnaceNIPPON CRUCIBLE CO·Filed 2006·Granted Dec 28, 2010·3 cites·10 claims
- 1443US2014151943A1Valuable metal recovery apparatusNIPPON CRUCIBLE CO·Filed 2012·Application pending·0 cites
- 1542US2009250453A1Electric conduction heating deviceNIPPON CRUCIBLE CO·Filed 2005·Application pending·0 cites
- 1637US7481967B2Molten metal transporting containerNIPPON CRUCIBLE CO·Filed 2004·Granted Jan 27, 2009·0 cites·5 claims
- 1733US6245287B1Molten metal vessel and molten metal holding furnaceNIPPON CRUCIBLE CO·Filed 1998·Granted Jun 12, 2001·11 cites·11 claims
- 1831US5747400AMethod of drying lining refractory material for instrument/apparatusNIPPON CRUCIBLE CO·Filed 1996·Granted May 5, 1998·2 cites·10 claims
- 1929US4311301AGuide trough for molten productsNIPPON CRUCIBLE CO·Filed 1979·Granted Jan 19, 1982·0 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →