Henri Virtanen
21Patents
4h-index
20Co-inventors
63Inventor score
Filing activity: Jun 28, 1991 → Aug 12, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7670575B2 | Method and device for treating anode slime | Emerging Cross-Sectional Technologies | 16 | Active |
| US6342136B1 | Busbar construction for electrolytic cell | Chemistry; Metallurgy | 15 | Expired |
| US6495024B1 | Method for the removal of arsenic from sulfuric acid solution | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6511591B1 | Method for the electrolytic refining of copper | Chemistry; Metallurgy | 4 | Expired |
| US5141753A | Method for utilizing the copper-arsenic precipitate created in the electroytic refining of copper in the production of anti-rot agents for wood | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7122109B2 | Method for the improvements of current efficiency in electrolysis | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7366582B2 | Method for defining status index in copper electrolysis | Physics | 1 | Expired |
| US9677184B2 | Measurement of electric current in an individual electrode in an electrolysis system | Chemistry; Metallurgy | 1 | Active |
| US9695520B2 | Arrangement for measuring electric current in an individual electrode in an electrolysis system | Physics | 1 | Active |
| US7002171B2 | Method for improving the quality of cathodes in electrolysis | Chemistry; Metallurgy | 1 | Expired |
| US8303795B2 | Method for arranging electrodes in an electrolytic process and an electrolytic system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10316389B2 | Hydrometallurgical treatment of anode sludge | Emerging Cross-Sectional Technologies | 0 | Active |
| US10400344B2 | Apparatus for protection of anodes and cathodes in a system of electrolysis cells | Chemistry; Metallurgy | 0 | Active |
| US6187156A | Anode for electrolytic refining | Chemistry; Metallurgy | 0 | Expired |
| US9556530B2 | Equipment and method for electrolytic recovery of metal | Chemistry; Metallurgy | 0 | Active |
| US9708725B2 | Method for maintenance of used permanent cathode plates | Chemistry; Metallurgy | 0 | Active |
| US9932683B2 | Method for metal electrowinning and an electrowinning cell | Chemistry; Metallurgy | 0 | Active |
| US8551306B2 | Permanent cathode | Chemistry; Metallurgy | 0 | Active |
| US12357240B2 | Machine learning analysis techniques for clinical and patient data | Physics | 0 | Active |
| US9976222B2 | Bubble collector guide and use thereof | Chemistry; Metallurgy | 0 | Active |
| US7731777B2 | Method for processing anode sludge | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.