| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 2 | |
| #2 | Norway | 2 | |
| #3 | Germany | 1 | |
| #4 | Denmark | 1 | |
| #5 | Spain | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Japan | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Sweden | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Thermal processes | |
| #3 | Machines | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Heat-exchange device details | |
| #3 | Unspecified technologies | |
| #4 | Heat-exchanger without contact | |
| #5 | Pipes | |
| #6 | Rail vehicle suspensions | |
| #7 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sanne O | 4 |
| #2 | Wendel S | 3 |
| #3 | Sanne Oddmund | 2 |
| #4 | Odomundo Sanne | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR820000858B1 | Safety valve for gas pipes | |
| US4203470A | Safety valve for gas pipes | |
| ES400045A1 | Heat exchangers |