| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 6 | |
| #2 | Australia | 2 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Plasma technique |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ahola Tom | 14 |
| #2 | Ahola Kari | 8 |
| #3 | Ahola Karl | 1 |
| #4 | Nieminen Kalevi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI945176A0 | Arrangement in powdered additive supply equipment | |
| FI921007A0 | Supplementary device for protective device, such as a TIG welding device, etc. for plasma welding | |
| FI920282A0 | Method of providing an auxiliary arc in plasma welding and auxiliary power source for use in the method | |
| FI920007A0 | Plasma torch shielding gas nozzle | |
| FI910883A0 | plasma torch | |
| FI910882A0 | Skyddsgasstroemningsavbrytare. |