| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 15 | |
| #2 | France | 5 | |
| #3 | Austria | 1 | |
| #4 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Transport | |
| #3 | Electrical machinery and energy | |
| #4 | Machine tools | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Certain plastics | |
| #2 | Shaping of plastics | |
| #3 | Vehicle tyre repairing | |
| #4 | Unspecified technologies | |
| #5 | Electric discharge tubes | |
| #6 | Producing goods from plastic | |
| #7 | Fillers | |
| #8 | Footwear features | |
| #9 | Cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gruber Willi | 6 |
| #2 | Gruber Wilhelm | 3 |
| #3 | Gruber Willy | 3 |
| #4 | Enders Alois | 3 |
| #5 | Gruber Co Otto | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE866311C | Repair patch, e.g. B. for motor vehicle and bicycle tubes |