Assignee
NORANDA INC
CA·93 granted patents·1 pending application·2,738 citations·filing 1982–2004
Top patents by PatentIndex Score
94 records- 0193US6379419B1Method and transferred arc plasma system for production of fine and ultrafine powdersNORANDA INC·Filed 1998·Granted Apr 30, 2002·219 cites·30 claims
- 0293US5694730ASpline for joining boardsNORANDA INC·Filed 1996·Granted Dec 9, 1997·363 cites·10 claims
- 0392US5804964AWire rope damage index monitoring deviceNORANDA INC·Filed 1996·Granted Sep 8, 1998·71 cites·10 claims
- 0490US6909505B2Method and apparatus for molten material analysis by laser induced breakdown spectroscopyNORANDA INC·Filed 2002·Granted Jun 21, 2005·52 cites·39 claims
- 0588US6342180B1Magnesium-based casting alloys having improved elevated temperature propertiesNORANDA INC·Filed 2000·Granted Jan 29, 2002·31 cites·14 claims
- 0685US5427691ALime neutralization process for treating acidic watersNORANDA INC·Filed 1993·Granted Jun 27, 1995·92 cites·6 claims
- 0785US4619533ATuyere pyrometerNORANDA INC·Filed 1985·Granted Oct 28, 1986·55 cites·9 claims
- 0884US6395242B1Production of zinc oxide from complex sulfide concentrates using chloride processingNORANDA INC·Filed 1999·Granted May 28, 2002·41 cites·37 claims
- 0984US5147998AHigh enthalpy plasma torchNORANDA INC·Filed 1991·Granted Sep 15, 1992·81 cites·5 claims
- 1083US6700660B2Method and apparatus for in-process liquid analysis by laser induced plasma spectroscopyNORANDA INC·Filed 2002·Granted Mar 2, 2004·23 cites·38 claims
- 1183US4581064ATreatment of anode slimes in a top blown rotary converterNORANDA INC·Filed 1985·Granted Apr 8, 1986·49 cites·23 claims
- 1282US5757473AOptical strain sensor for the measurement of microdeformations of surfacesNORANDA INC·Filed 1996·Granted May 26, 1998·68 cites·24 claims
- 1381US5425422AProcess for removing and preventing near-wellbore damage due to asphaltene precipitationNORANDA INC·Filed 1993·Granted Jun 20, 1995·43 cites·18 claims
- 1479US5539853ADownhole heating system with separate wiring cooling and heating chambers and gas flow therethroughNORANDA INC·Filed 1995·Granted Jul 23, 1996·107 cites·9 claims
- 1578US5419882AMethod for the removal of thalliumNORANDA INC·Filed 1994·Granted May 30, 1995·36 cites·7 claims
- 1678US5271909AMethod of tellurium separation from copper electrorefining slimeNORANDA INC·Filed 1992·Granted Dec 21, 1993·21 cites·3 claims
- 1778US5091161AProduction of pure magnesium chloride solution from siliceous magnesium mineralsNORANDA INC·Filed 1990·Granted Feb 25, 1992·28 cites·9 claims
- 1878US4504309AProcess and apparatus for continuous converting of copper and non-ferrous mattesNORANDA INC·Filed 1983·Granted Mar 12, 1985·20 cites·8 claims
- 1977US5941921ASensor feedback control for automated bucket loadingNORANDA INC·Filed 1995·Granted Aug 24, 1999·58 cites·27 claims
- 2077US5233730ACable gripNORANDA INC·Filed 1992·Granted Aug 10, 1993·39 cites·2 claims
- 2177US4961209ASystem for measuring the charge distribution on a photoreceptor surfaceNORANDA INC·Filed 1988·Granted Oct 2, 1990·42 cites·6 claims
- 2276US4670052AProcess for the recovery of gold from a precious metal bearing sludge concentrateNORANDA INC·Filed 1986·Granted Jun 2, 1987·21 cites·11 claims
- 2375US5914440AMethod and apparatus removal of solid particles from magnesium chloride electrolyte and molten magnesium by filtrationNORANDA INC·Filed 1997·Granted Jun 22, 1999·36 cites·17 claims
- 2475US5106164APlasma blasting methodNORANDA INC·Filed 1991·Granted Apr 21, 1992·75 cites·6 claims
- 2575US4800003AProduction of magnesium metal from magnesium containing materialsNORANDA INC·Filed 1987·Granted Jan 24, 1989·21 cites·4 claims
- 2674US6726889B2Production of zinc oxide from acid soluble ore using precipitation methodNORANDA INC·Filed 2002·Granted Apr 27, 2004·13 cites·20 claims
- 2774US5134471ASystem for monitoring the walls of a borehole using a video cameraNORANDA INC·Filed 1991·Granted Jul 28, 1992·44 cites·6 claims
- 2873US6390735B1Apparatus and method for a yieldable tendon mine supportNORANDA INC·Filed 2000·Granted May 21, 2002·33 cites·63 claims
- 2971US5302261APower assisted dezincing of galvanized steelNORANDA INC·Filed 1993·Granted Apr 12, 1994·24 cites·8 claims
- 3071US5172480ABorehole deviation monitorNORANDA INC·Filed 1991·Granted Dec 22, 1992·61 cites·6 claims
- 3169US6808679B2Magnesium-based casting alloys having improved elevated temperature performance, oxidation-resistant magnesium alloy melts, magnesium-based alloy castings prepared therefrom and methods for preparing sameNORANDA INC·Filed 2001·Granted Oct 26, 2004·10 cites·9 claims
- 3269US6322644B1Magnesium-based casting alloys having improved elevated temperature performanceNORANDA INC·Filed 1999·Granted Nov 27, 2001·23 cites·15 claims
- 3369US5796606AProcess information and maintenance system for distributed control systemsNORANDA INC·Filed 1996·Granted Aug 18, 1998·55 cites·7 claims
- 3469US5680906AMethod for real time location of deep boreholes while drillingNORANDA INC·Filed 1996·Granted Oct 28, 1997·78 cites·14 claims
- 3568US5565771AApparatus for increasing linear resolution of electromagnetic wire rope testingNORANDA INC·Filed 1995·Granted Oct 15, 1996·36 cites·9 claims
- 3668US5302260AGalvanic dezincing of galvanized steelNORANDA INC·Filed 1991·Granted Apr 12, 1994·20 cites·10 claims
- 3768US4597507AApparatus for metering and feeding a solutionNORANDA INC·Filed 1984·Granted Jul 1, 1986·22 cites·5 claims
- 3867US4549598AProcess for minimizing foam formation during free falling of molten metal into moulds, launders or other containersNORANDA INC·Filed 1982·Granted Oct 29, 1985·14 cites·7 claims
- 3966US4544141AProcess and apparatus for continuous converting of copper and non-ferrous mattesNORANDA INC·Filed 1984·Granted Oct 1, 1985·13 cites·9 claims
- 4065US6676824B2Process for purification of molten salt electrolytesNORANDA INC·Filed 2001·Granted Jan 13, 2004·13 cites·16 claims
- 4165US5217747AReactive spray forming processNORANDA INC·Filed 1991·Granted Jun 8, 1993·28 cites·10 claims
- 4263US6079251ADiesel exhaust analysis system and method of using the sameNORANDA INC·Filed 1998·Granted Jun 27, 2000·33 cites·13 claims
- 4362US6843976B2Reduction of zinc oxide from complex sulfide concentrates using chloride processingNORANDA INC·Filed 2001·Granted Jan 18, 2005·6 cites·29 claims
- 4462US5592386AMethod and apparatus for the detection of reciprocating machine faults and failuresNORANDA INC·Filed 1995·Granted Jan 7, 1997·23 cites·20 claims
- 4562US5482357APlasma blasting probe assemblyNORANDA INC·Filed 1995·Granted Jan 9, 1996·33 cites·14 claims
- 4662US4981674AProduction of anhydrous magnesium chlorideNORANDA INC·Filed 1989·Granted Jan 1, 1991·13 cites·2 claims
- 4762US4482448AElectrode structure for electrolyser cellsNORANDA INC·Filed 1982·Granted Nov 13, 1984·15 cites·5 claims
- 4860US5007959AProcess for converting of solid high-grade copper matteNORANDA INC·Filed 1989·Granted Apr 16, 1991·15 cites·6 claims
- 4959US6409980B1Process and apparatus for treating foundry sludge to recover magnesiumNORANDA INC·Filed 2000·Granted Jun 25, 2002·4 cites·39 claims
- 5058US5980854AMethod for the production of a magnesium chloride solutionNORANDA INC·Filed 1998·Granted Nov 9, 1999·15 cites·11 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when NORANDA INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →