| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | France | 1 | |
| #3 | United Kingdom | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Control | |
| #4 | Packaging and shipping | |
| #5 | Machine tools | |
| #6 | Machines | |
| #7 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Vehicle signalling and lighting | |
| #3 | Sawing | |
| #4 | Containers for goods storage | |
| #5 | Coin-freed | |
| #6 | Unspecified technologies | |
| #7 | Locks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vogt Wilhelm | 2 |
| #2 | Wilhelm Vogt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB228140A | Improvements in direction indicators for road vehicles | |
| US1572413A | Direction indicator for motor vehicles |