| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Agriculture | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Crop agriculture | |
| #3 | Scaffolding | |
| #4 | Shafts | |
| #5 | Motor vehicles | |
| #6 | Construction of roads | |
| #7 | Vehicle transmission mounting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fretter Hubert | 2 |
| #2 | Reinhardt Edwin | 2 |
| #3 | Weigelt Gustav | 1 |
| #4 | Stolz Gernot Ing | 1 |
| #5 | Potratz Siegfried | 1 |
| #6 | Reith Friedrich | 1 |
| #7 | Bussenius Alfred Dipl Ing | 1 |
| #8 | Willenbrock Franz J | 1 |
| #9 | Kloepper Karl Dipl Ing | 1 |
| #10 | Schmidt Josef | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE966911C | Hop growing equipment | |
| DE935345C | Device for steering caterpillar tractors | |
| DE968312C | Device carrying device for single-axle tractor | |
| DE955914C | Rotary cultivator | |
| DE897361C | Motorized vehicle, especially single-axle tractor for field equipment and vehicles with wheels | |
| DE867045C | Mahlkoerper | |
| DE866894C | Mahlkoerper |