| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Austria | 2 | |
| #3 | Denmark | 2 | |
| #4 | United States | 2 | |
| #5 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Vehicle connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koehn Claus Hinrich | 2 |
| #2 | Fabrik M B H M Brockmann Chemi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1180854A | Motor-plow. | |
| US1221458A | Motor-plow. | |
| DE363850C | Oil device for the roller carriages of gripper chains | |
| DE324835C | Track chain for motor vehicles guided by roller conveyor | |
| DE325993C | Drawbars for tractors | |
| DE330324C | Adjustable rail guide for the support rollers mounted on the chains of motor vehicles | |
| DE353629C | Guide for the tracks of motor vehicles | |
| DE330323C | Chain with removable footplates | |
| DE325762C | tractor |