Inventor
Leo Lindroos
Inventor
Pori, FI
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Bprimary
C22BProduction and refining of metals40%
Y02PClimate change mitigation technologies in the production or processing of goods33%
B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for7%
C01BNon-metallic elements7%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds7%
F27BFurnaces, kilns, ovens or retorts in general7%
PatentTitleYear
7,731,777'Method for processing anode sludge'20107,670,575'Method and device for treating anode slime'20106,495,024'Method for the removal of arsenic from sulfuric acid solution'20025,141,753'Method for utilizing the copper-arsenic precipitate created in the electroytic refining of copper in the production of anti-rot agents for wood'19924,473,396'Procedure for roasting seleniferous material'19844,228,133'Apparatus for sulfatizing roasting of a finely-divided selenium-bearing raw material'19804,029,494'Process for smelting and recovery of a material containing noble metals'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2002Patents assigned to OUTOKUMPU OY (5)· patent assignee history
1977–2010Based in Pori, FI· patent location history
1984Based in Annikintie, FI· patent location history
2010Patents assigned to OUTOTEC OYJ (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OUTOKUMPU OY | 5 | 1977–2002 |
| OUTOTEC OYJ | 2 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pori, FI | 6 | 1977–2010 |
| Annikintie, FI | 1 | 1984 |