| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Austria | 1 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Percussive tools | |
| #3 | Scaffolding | |
| #4 | Grinding or polishing devices | |
| #5 | Coin-freed | |
| #6 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eugen Vogel | 8 |
| #2 | Vogel Eugen | 4 |
| Publication | Filing date | Title |
|---|---|---|
| CA484248A | Door constructions |