| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 4 | |
| #2 | Finland | 2 | |
| #3 | Sweden | 2 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | Germany | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | United States | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Control | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Alarm systems | |
| #3 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gismervik Jan Edvard | 9 |
| #2 | Sveinsboe Gunnar | 6 |
| #3 | Sveinsbo Gunnar | 5 |
| #4 | Gismervik Jan E | 3 |
| #5 | Gismervik Oeystein | 1 |
| #6 | Gismervik J E Sveinsbo G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1180079A | Electrical switch devices | |
| GB2099632A | Float-controlled electrical switch device comprising a reed contact which is opened and closed by the field of force of a permanent magnet | |
| FI803442L | Anordination for the purpose of operating the dues and the flow |