| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | France | 5 | |
| #3 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Clutches and brakes | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dostal Jan Dipl Ing | 5 |
| #2 | Sykora Jan Dipl Ing | 4 |
| #3 | Koldovsky Karel Dipl Ing | 3 |
| #4 | Pur Ladislav Dipl Ing | 3 |
| #5 | Sykora Jan | 2 |
| #6 | Chrastil Josef Dipl Ing | 1 |
| #7 | Pur Ladislav | 1 |
| #8 | Pur Ladisla Dipl Ing | 1 |
| #9 | Yan Vangler | 1 |
| #10 | Dostal Jan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3123868A1 | Multi-speed planetary variable-speed transmission (gearbox) | |
| DE3121541A1 | Multi-stage planetary change-speed gear | |
| DE3121465A1 | Multi-stage planetary change gear |