| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Thermal processes | |
| #3 | Chemical engineering | |
| #4 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Metal production and refining | |
| #2 | Mixing | |
| #3 | Casting metal | |
| #4 | Details of furnaces | |
| #5 | Furnaces | |
| #6 | Electrolytic metal production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Klingenberg Per-Arne | 9 |
| #2 | Per-Arne Klingenberg | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NO20181193A1 | An aluminium production anode yoke, an anode hanger, and a carbon anode | |
| NO20150703A1 | A molten metal and powder adding and mixing system and a system for the production of metal | |
| CN1541325A | Method, appts. and carriage for tapping of molton metal |