| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 5 | |
| #2 | Austria | 1 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 | |
| #6 | Finland | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Electrically-conductive connections | |
| #2 | Unspecified technologies | |
| #3 | Physical training equipment | |
| #4 | Scaffolding | |
| #5 | Installation of electric cables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bergmark L M | 4 |
| #2 | Bergmark Lars Martin | 3 |
| #3 | Bergmark Lars M | 2 |
| #4 | Bergmark M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1104674A | Earthing method and device with uninterrupted conductivity |