| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 2 | |
| #2 | Japan | 2 | |
| #3 | Republic of Korea | 2 | |
| #4 | Norway | 2 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | United States | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Thermal processes | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Clutches and brakes | |
| #3 | Unspecified technologies | |
| #4 | Heat-exchanger without contact | |
| #5 | Heat-exchange device details |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nakken Mareno Kennet | 6 |
| #2 | Saegrov Stein Oddvar | 2 |
| #3 | Nakken Mareno K | 2 |
| #4 | Myklebust Rune | 2 |
| #5 | Godeset Otto | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JP2006138316A | Piston engine | |
| JP2006105584A | Cooler for piston equipment |