Assignee
HARBISON WALKER REFRACTORIES
US·18 granted patents·3 pending applications·219 citations·filing 1995–2008
Top patents by PatentIndex Score
21 records- 0187USD591778SRefractory blockHARBISON WALKER REFRACTORIES·Filed 2007·Granted May 5, 2009·8 cites·1 claims
- 0287US6395662B1Non-slumping sprayable refractory castables containing thermal blackHARBISON WALKER REFRACTORIES·Filed 2001·Granted May 28, 2002·29 cites·19 claims
- 0386US5879616AMetallurgical vessel and method of using the sameHARBISON WALKER REFRACTORIES·Filed 1997·Granted Mar 9, 1999·31 cites·12 claims
- 0480US7104789B1Wall structure for carbon baking furnaceHARBISON WALKER REFRACTORIES·Filed 2005·Granted Sep 12, 2006·17 cites·5 claims
- 0579US6313056B1Non-slumping sprayable refractory castables containing thermal blackHARBISON WALKER REFRACTORIES·Filed 1998·Granted Nov 6, 2001·33 cites·10 claims
- 0670USD567829SRefractory blockHARBISON WALKER REFRACTORIES·Filed 2005·Granted Apr 29, 2008·6 cites·1 claims
- 0770US5882583Aprecast module leveling assembly for a metallurgical vesselHARBISON WALKER REFRACTORIES·Filed 1997·Granted Mar 16, 1999·14 cites·18 claims
- 0867US6688884B2Rotary kiln heat exchanger and method of assembling sameHARBISON WALKER REFRACTORIES·Filed 2002·Granted Feb 10, 2004·7 cites·25 claims
- 0966USD598572SRefractory brickHARBISON WALKER REFRACTORIES·Filed 2008·Granted Aug 18, 2009·16 cites·1 claims
- 1052US5753572ACastable and gunning composition with improved resistance to build-up and alkali infiltrationHARBISON WALKER REFRACTORIES·Filed 1996·Granted May 19, 1998·13 cites·23 claims
- 1151US6313055B1Refractory castables containing thermal blackHARBISON WALKER REFRACTORIES·Filed 1998·Granted Nov 6, 2001·11 cites·14 claims
- 1247US5824263ALadle brick leveling setHARBISON WALKER REFRACTORIES·Filed 1996·Granted Oct 20, 1998·7 cites·17 claims
- 1347US2007213199A1Refractory compositionHARBISON WALKER REFRACTORIES·Filed 2006·Application pending·0 cites
- 1446US2007213198A1Refractory compositionHARBISON WALKER REFRACTORIES·Filed 2006·Application pending·0 cites
- 1541US2006242914A1Refractory block and refractory wall assemblyHARBISON WALKER REFRACTORIES·Filed 2005·Application pending·0 cites
- 1636US5518189ABeneficiation of flake graphiteHARBISON WALKER REFRACTORIES·Filed 1995·Granted May 21, 1996·9 cites·10 claims
- 1735US6190448B1Non-slumping, pumpable castable high purity silica compositionHARBISON WALKER REFRACTORIES·Filed 1999·Granted Feb 20, 2001·4 cites·15 claims
- 1831US6268018B1Method of applying a non-slumping pumpable castable high purity silica compositionHARBISON WALKER REFRACTORIES·Filed 1999·Granted Jul 31, 2001·2 cites·5 claims
- 1929US5770536AFiber reinforced spray mixHARBISON WALKER REFRACTORIES·Filed 1996·Granted Jun 23, 1998·2 cites·12 claims
- 2023US5761859AInterconnected door jamb brickHARBISON WALKER REFRACTORIES·Filed 1996·Granted Jun 9, 1998·5 cites·23 claims
- 2121US5750878ARemovable reference plateHARBISON WALKER REFRACTORIES·Filed 1996·Granted May 12, 1998·5 cites·9 claims
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