| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 11 | |
| #2 | Belgium | 1 | |
| #3 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines | |
| #3 | Environmental technology | |
| #4 | Machine tools | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Nails | |
| #3 | Shafts | |
| #4 | Reduction of greenhouse gas emissions | |
| #5 | Special wind, spring and weight motors | |
| #6 | Unspecified technologies | |
| #7 | Wind motors | |
| #8 | Grinding or polishing devices | |
| #9 | Mechanical control devices | |
| #10 | Metal wire processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carl Bruno Strandgren | 8 |
| #2 | Strandgren Carl Bruno | 3 |
| #3 | Carl-Bruno Strandgren | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CH643633A5 | Blade wheel cooperating with a fluid. |