Inco Limited
151Patents
2Active
151Granted
42Portfolio score
Filing activity: Nov 28, 1944 → Jun 5, 2006 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7020307B2 | Rock fragmentation analysis system | Physics | 106 | Expired |
| US5999865A | Autonomous vehicle guidance system | Physics | 98 | Expired |
| US6349249B1 | Automated guided apparatus suitable for toping applications | Physics | 88 | Expired |
| US5396163A | Battery charger | Electricity | 82 | Expired |
| US5752572A | Tractor for remote movement and pressurization of a rock drill | Fixed Constructions | 81 | Expired |
| US5530330A | Automated guidance system for a vehicle | Physics | 75 | Expired |
| US6608913B1 | Self-contained mapping and positioning system utilizing point cloud data | Physics | 57 | Expired |
| US4622149A | Effluent treatment | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5237310A | Pump monitor | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US4537686A | Cyanide removal from aqueous streams | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4957543A | Method of forming nickel foam | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5431286A | Recirculating column flotation apparatus | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4201653A | Electrowinning cell with bagged anode | Chemistry; Metallurgy | 32 | Expired |
| US4455218A | Hydrogenation of carbonaceous material | Performing Operations; Transporting | 32 | Expired |
| US4996115A | Composite structure | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4637475A | In-the-hole drill | Fixed Constructions | 26 | Expired |
| US5122038A | High density grout pump | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4390366A | Process for the extraction of precious metals from solutions thereof | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5279111A | Gas turbine cooling | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4615731A | Hydrometallurgical processing of precious metal-containing materials | Chemistry; Metallurgy | 21 | Expired |
| US5477125A | Battery charger | Electricity | 20 | Expired |
| US5281494A | Nickel hydroxide | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5791823A | Yielding head for mine support | Fixed Constructions | 20 | Expired |
| US4540056A | Cutter assembly | Fixed Constructions | 19 | Expired |
| US4615873A | Treatment of cyanide-ferrocyanide effluents | Emerging Cross-Sectional Technologies | 19 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.