| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 17 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Measurement | |
| #3 | Mechanical elements | |
| #4 | Furniture and games | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Cycle brakes | |
| #2 | Wheelchairs and sledges | |
| #3 | Travel equipment | |
| #4 | Cycle stands | |
| #5 | Nails | |
| #6 | Kitchen equipment | |
| #7 | Cycles | |
| #8 | Time-interval measuring |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ernst Trost | 16 |
| #2 | Trost Ernst | 1 |