Assignee
NORTH AMERICAN REFRACTORIES
US·40 granted patents·5 pending applications·527 citations·filing 1987–2013
Top patents by PatentIndex Score
45 records- 0196US9126265B2Refractory component for lining a metallurgical vesselNORTH AMERICAN REFRACTORIES·Filed 2013·Granted Sep 8, 2015·8 cites·31 claims
- 0290US6554167B1Impact padNORTH AMERICAN REFRACTORIES·Filed 2001·Granted Apr 29, 2003·23 cites·15 claims
- 0388US6673306B2Refractory lining for metallurgical vesselNORTH AMERICAN REFRACTORIES·Filed 2001·Granted Jan 6, 2004·20 cites·6 claims
- 0482US6787098B2Refractory lining for metallurgical vesselNORTH AMERICAN REFRACTORIES·Filed 2003·Granted Sep 7, 2004·13 cites·21 claims
- 0581US5137189APorous refractory nozzle and method of making sameNORTH AMERICAN REFRACTORIES·Filed 1989·Granted Aug 11, 1992·23 cites·11 claims
- 0679US7468157B2Impact pad for metallurgical vesselsNORTH AMERICAN REFRACTORIES·Filed 2005·Granted Dec 23, 2008·3 cites·68 claims
- 0779US5944888ASpray insulating coating for refractory articlesNORTH AMERICAN REFRACTORIES·Filed 1998·Granted Aug 31, 1999·40 cites·20 claims
- 0877US8030235B2Refractory brick for steel ladlesNORTH AMERICAN REFRACTORIES·Filed 2008·Granted Oct 4, 2011·5 cites·7 claims
- 0977US5687531AHorizontal flue technology for carbon baking furnaceNORTH AMERICAN REFRACTORIES·Filed 1995·Granted Nov 18, 1997·28 cites·18 claims
- 1076US5766686ASpray insulating coating for refractory articlesNORTH AMERICAN REFRACTORIES·Filed 1996·Granted Jun 16, 1998·33 cites·13 claims
- 1173US6548436B2Cristobalite-free mullite grain having reduced reactivity to molten aluminum and method of producing the sameNORTH AMERICAN REFRACTORIES·Filed 2002·Granted Apr 15, 2003·13 cites·2 claims
- 1271US6004626AHigh pressure/volume process for wet shotcreting a refractory castableNORTH AMERICAN REFRACTORIES·Filed 1998·Granted Dec 21, 1999·18 cites·1 claims
- 1371US4726570AApparatus and method for casting refractory linings in ladlesNORTH AMERICAN REFRACTORIES·Filed 1987·Granted Feb 23, 1988·16 cites·19 claims
- 1469US5972102AHydraulically-bonded monolithic refractories containing a calcium oxide-free binder comprised of a hydratable alumina source and magnesium oxideNORTH AMERICAN REFRACTORIES·Filed 1996·Granted Oct 26, 1999·27 cites·36 claims
- 1567US5976632ADry process gunning of refractory castableNORTH AMERICAN REFRACTORIES·Filed 1997·Granted Nov 2, 1999·30 cites·5 claims
- 1667US5135896ASpinel bondable ceramic compositionNORTH AMERICAN REFRACTORIES·Filed 1989·Granted Aug 4, 1992·21 cites·22 claims
- 1766US5916471ARotary socket taphole assemblyNORTH AMERICAN REFRACTORIES·Filed 1998·Granted Jun 29, 1999·12 cites·3 claims
- 1866US5866022ARefractory pour tube with cast plateNORTH AMERICAN REFRACTORIES·Filed 1997·Granted Feb 2, 1999·12 cites·18 claims
- 1964US5478053ARefractory gas purging deviceNORTH AMERICAN REFRACTORIES·Filed 1995·Granted Dec 26, 1995·16 cites·12 claims
- 2060US4940081AChecker brickNORTH AMERICAN REFRACTORIES·Filed 1989·Granted Jul 10, 1990·22 cites·25 claims
- 2157US7611666B2Tundish dry vibratable formNORTH AMERICAN REFRACTORIES·Filed 2008·Granted Nov 3, 2009·2 cites·5 claims
- 2257US5792251AMethod of producing metakaolinNORTH AMERICAN REFRACTORIES·Filed 1997·Granted Aug 11, 1998·20 cites·7 claims
- 2356US5358031AInterlocking checker bricks and method and apparatus for makingNORTH AMERICAN REFRACTORIES·Filed 1993·Granted Oct 25, 1994·7 cites·18 claims
- 2455US7056469B2Starter set for brick lining of ladles used in handling molten metalNORTH AMERICAN REFRACTORIES·Filed 2003·Granted Jun 6, 2006·5 cites·20 claims
- 2554US8354056B2Refractory component with locking surface and method of forming the sameNORTH AMERICAN REFRACTORIES·Filed 2008·Granted Jan 15, 2013·0 cites·11 claims
- 2654US6763981B2Well block for metallurgical vesselNORTH AMERICAN REFRACTORIES·Filed 2002·Granted Jul 20, 2004·4 cites·18 claims
- 2752US2009020927A1Insulating refractory liningNORTH AMERICAN REFRACTORIES·Filed 2008·Application pending·0 cites
- 2850US5976240ARefractory system including reactive metakaolin additiveNORTH AMERICAN REFRACTORIES·Filed 1997·Granted Nov 2, 1999·12 cites·33 claims
- 2950US2009020926A1Insulating refractory liningNORTH AMERICAN REFRACTORIES·Filed 2007·Application pending·0 cites
- 3049US2009050285A1Impact padNORTH AMERICAN REFRACTORIES·Filed 2007·Application pending·0 cites
- 3148US6054186ALow cement refractory castable system for wet process pumping/sprayingNORTH AMERICAN REFRACTORIES·Filed 1997·Granted Apr 25, 2000·11 cites·5 claims
- 3248US4971934ARefractory compositionNORTH AMERICAN REFRACTORIES·Filed 1989·Granted Nov 20, 1990·15 cites·11 claims
- 3347US6103651AHigh density ceramic metal composite exhibiting improved mechanical propertiesNORTH AMERICAN REFRACTORIES·Filed 1996·Granted Aug 15, 2000·14 cites·5 claims
- 3445US5948713ACristobalite-free mullite grain and method of producing sameNORTH AMERICAN REFRACTORIES·Filed 1997·Granted Sep 7, 1999·14 cites·11 claims
- 3544US2009035474A1Refractories with improved hydration resistanceNORTH AMERICAN REFRACTORIES·Filed 2007·Application pending·0 cites
- 3643US5299629AInterlocking checker bricksNORTH AMERICAN REFRACTORIES·Filed 1992·Granted Apr 5, 1994·6 cites·24 claims
- 3742US2005110202A1Injection lanceNORTH AMERICAN REFRACTORIES·Filed 2003·Application pending·0 cites
- 3841US6407023B1Cristobalite-free mullite grain having reduced reactivity to molten aluminum and method of producing the sameNORTH AMERICAN REFRACTORIES·Filed 1999·Granted Jun 18, 2002·7 cites·12 claims
- 3941US5902511ARefractory composition for the prevention of alumina cloggingNORTH AMERICAN REFRACTORIES·Filed 1997·Granted May 11, 1999·8 cites·18 claims
- 4039US5531586AInterlocking checker brick moldNORTH AMERICAN REFRACTORIES·Filed 1995·Granted Jul 2, 1996·7 cites·4 claims
- 4138US6221313B1Taphole knockout deviceNORTH AMERICAN REFRACTORIES·Filed 1999·Granted Apr 24, 2001·3 cites·7 claims
- 4232US5968602ACement-free refractory castable system for wet process pumping/sprayingNORTH AMERICAN REFRACTORIES·Filed 1997·Granted Oct 19, 1999·3 cites·8 claims
- 4331US5730921ACo-molding process for producing refractory materials without firing or coking the refractoryNORTH AMERICAN REFRACTORIES·Filed 1995·Granted Mar 24, 1998·2 cites·27 claims
- 4428US5474726AMethod of making interlocking checker bricksNORTH AMERICAN REFRACTORIES·Filed 1994·Granted Dec 12, 1995·0 cites·2 claims
- 4522US5397110ARefractory brick and method of making and using sameNORTH AMERICAN REFRACTORIES·Filed 1993·Granted Mar 14, 1995·4 cites·20 claims
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