Noranda Inc.
93Patents
0Active
93Granted
39Portfolio score
Filing activity: Sep 21, 1982 → Jul 22, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5694730A | Spline for joining boards | Emerging Cross-Sectional Technologies | 291 | Expired |
| US6379419B1 | Method and transferred arc plasma system for production of fine and ultrafine powders | Performing Operations; Transporting | 120 | Expired |
| US5539853A | Downhole heating system with separate wiring cooling and heating chambers and gas flow therethrough | Fixed Constructions | 86 | Expired |
| US5427691A | Lime neutralization process for treating acidic waters | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5147998A | High enthalpy plasma torch | Electricity | 49 | Expired |
| US5757473A | Optical strain sensor for the measurement of microdeformations of surfaces | Physics | 47 | Expired |
| US5106164A | Plasma blasting method | Fixed Constructions | 45 | Expired |
| US5796606A | Process information and maintenance system for distributed control systems | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4961209A | System for measuring the charge distribution on a photoreceptor surface | Physics | 36 | Expired |
| US5941921A | Sensor feedback control for automated bucket loading | Fixed Constructions | 34 | Expired |
| US5680906A | Method for real time location of deep boreholes while drilling | Fixed Constructions | 31 | Expired |
| US5233730A | Cable grip | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4619533A | Tuyere pyrometer | Physics | 29 | Expired |
| US5172480A | Borehole deviation monitor | Fixed Constructions | 29 | Expired |
| US6395242B1 | Production of zinc oxide from complex sulfide concentrates using chloride processing | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4581064A | Treatment of anode slimes in a top blown rotary converter | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6909505B2 | Method and apparatus for molten material analysis by laser induced breakdown spectroscopy | Physics | 26 | Expired |
| US5134471A | System for monitoring the walls of a borehole using a video camera | Electricity | 25 | Expired |
| US6079251A | Diesel exhaust analysis system and method of using the same | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5804964A | Wire rope damage index monitoring device | Physics | 21 | Expired |
| US5482357A | Plasma blasting probe assembly | Fixed Constructions | 19 | Expired |
| US4540056A | Cutter assembly | Fixed Constructions | 19 | Expired |
| US5425422A | Process for removing and preventing near-wellbore damage due to asphaltene precipitation | Fixed Constructions | 19 | Expired |
| US5091161A | Production of pure magnesium chloride solution from siliceous magnesium minerals | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5361845A | Process for increasing near-wellbore permeability of porous formations | Fixed Constructions | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.