Assignee
NORANDA INC
CA93 patents
Top patents by PatentIndex Score
US6379419B1Apr 30, 2002
Method and transferred arc plasma system for production of fine and ultrafine powders
NORANDA INC219 citations96
US5804964ASep 8, 1998
Wire rope damage index monitoring device
NORANDA INC71 citations94
US4619533AOct 28, 1986
Tuyere pyrometer
NORANDA INC55 citations94
US5694730ADec 9, 1997
Spline for joining boards
NORANDA INC363 citations93
US5539853AJul 23, 1996
Downhole heating system with separate wiring cooling and heating chambers and gas flow therethrough
NORANDA INC107 citations93
US5592386AJan 7, 1997
Method and apparatus for the detection of reciprocating machine faults and failures
NORANDA INC23 citations92
US6909505B2Jun 21, 2005
Method and apparatus for molten material analysis by laser induced breakdown spectroscopy
NORANDA INC52 citations91
US6700660B2Mar 2, 2004
Method and apparatus for in-process liquid analysis by laser induced plasma spectroscopy
NORANDA INC23 citations91
US5757473AMay 26, 1998
Optical strain sensor for the measurement of microdeformations of surfaces
NORANDA INC68 citations91
US5565771AOct 15, 1996
Apparatus for increasing linear resolution of electromagnetic wire rope testing
NORANDA INC36 citations91
US5271909ADec 21, 1993
Method of tellurium separation from copper electrorefining slime
NORANDA INC21 citations91
US5172480ADec 22, 1992
Borehole deviation monitor
NORANDA INC61 citations91
US5106164AApr 21, 1992
Plasma blasting method
NORANDA INC75 citations91
US5091161AFeb 25, 1992
Production of pure magnesium chloride solution from siliceous magnesium minerals
NORANDA INC28 citations91
US5425422AJun 20, 1995
Process for removing and preventing near-wellbore damage due to asphaltene precipitation
NORANDA INC43 citations90
US5361845ANov 8, 1994
Process for increasing near-wellbore permeability of porous formations
NORANDA INC27 citations90
US5147998ASep 15, 1992
High enthalpy plasma torch
NORANDA INC81 citations90
US6342180B1Jan 29, 2002
Magnesium-based casting alloys having improved elevated temperature properties
NORANDA INC31 citations89
US5302260AApr 12, 1994
Galvanic dezincing of galvanized steel
NORANDA INC20 citations89
US5233730AAug 10, 1993
Cable grip
NORANDA INC39 citations89
US5134471AJul 28, 1992
System for monitoring the walls of a borehole using a video camera
NORANDA INC44 citations89
US5680906AOct 28, 1997
Method for real time location of deep boreholes while drilling
NORANDA INC78 citations88
US5427691AJun 27, 1995
Lime neutralization process for treating acidic waters
NORANDA INC92 citations88
US5302261AApr 12, 1994
Power assisted dezincing of galvanized steel
NORANDA INC24 citations88
US5284107AFeb 8, 1994
Cable bolt monitoring device
NORANDA INC22 citations88
US6395242B1May 28, 2002
Production of zinc oxide from complex sulfide concentrates using chloride processing
NORANDA INC41 citations87
US6322644B1Nov 27, 2001
Magnesium-based casting alloys having improved elevated temperature performance
NORANDA INC23 citations87
US5941921AAug 24, 1999
Sensor feedback control for automated bucket loading
NORANDA INC58 citations87
US5914440AJun 22, 1999
Method and apparatus removal of solid particles from magnesium chloride electrolyte and molten magnesium by filtration
NORANDA INC36 citations87
US5324403AJun 28, 1994
Process for salt extraction from hydrogen-sulphide scrubber solution using electrodialysis
NORANDA INC20 citations87
US5217747AJun 8, 1993
Reactive spray forming process
NORANDA INC28 citations87
US6079251AJun 27, 2000
Diesel exhaust analysis system and method of using the same
NORANDA INC33 citations86
US4961209AOct 2, 1990
System for measuring the charge distribution on a photoreceptor surface
NORANDA INC42 citations86
US5482357AJan 9, 1996
Plasma blasting probe assembly
NORANDA INC33 citations85
US6390735B1May 21, 2002
Apparatus and method for a yieldable tendon mine support
NORANDA INC33 citations84
US5235398AAug 10, 1993
Cavity monitoring system
NORANDA INC24 citations83
US4581064AApr 8, 1986
Treatment of anode slimes in a top blown rotary converter
NORANDA INC49 citations83
US5796606AAug 18, 1998
Process information and maintenance system for distributed control systems
NORANDA INC55 citations82
US5419882AMay 30, 1995
Method for the removal of thallium
NORANDA INC36 citations81
US4800003AJan 24, 1989
Production of magnesium metal from magnesium containing materials
NORANDA INC21 citations80
US4670052AJun 2, 1987
Process for the recovery of gold from a precious metal bearing sludge concentrate
NORANDA INC21 citations80
US4597507AJul 1, 1986
Apparatus for metering and feeding a solution
NORANDA INC22 citations80
US6344295B1Feb 5, 2002
Zinc alloy powder for use in rechargeable cells
NORANDA INC16 citations79
USRE35891ESep 8, 1998
Process for increasing near-wellbore permeability of porous formations
NORANDA INC16 citations79
US4504309AMar 12, 1985
Process and apparatus for continuous converting of copper and non-ferrous mattes
NORANDA INC20 citations75
US6726889B2Apr 27, 2004
Production of zinc oxide from acid soluble ore using precipitation method
NORANDA INC13 citations74
US5980854ANov 9, 1999
Method for the production of a magnesium chloride solution
NORANDA INC15 citations73
US4897577AJan 30, 1990
Electromechanically triggered spark gap switch
NORANDA INC13 citations73
US6676824B2Jan 13, 2004
Process for purification of molten salt electrolytes
NORANDA INC13 citations72
US4981674AJan 1, 1991
Production of anhydrous magnesium chloride
NORANDA INC13 citations72
Showing the top 50 of 93 patents by PatentIndex Score.