| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Germany | 6 | |
| #3 | Switzerland | 4 | |
| #4 | United Kingdom | 4 | |
| #5 | Netherlands | 3 | |
| #6 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Gearing | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heidrich Gunther | 6 |
| #2 | Stoeckicht Alexander | 6 |
| #3 | Heidrich Guenther | 4 |
| #4 | Guenther Heidrich | 4 |
| #5 | Barwig Hans A | 1 |
| #6 | Heidrich Gunther R | 1 |
| #7 | Heidrich Guenter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1922417A1 | Planetary gear with load pressure compensation | |
| GB1176435A | Gear Coupling | |
| US3530733A | Multiway transmission | |
| GB1206826A | Fluid pressure actuated friction clutch or brake | |
| DE1283607B | Tooth coupling | |
| DE1650857A1 | Multi-way transmission | |
| DE1575659B1 | SPUR GEAR WITH DOUBLE HELICAL GEARS | |
| US3434374A | Planetary gearing with a supporting device for the outer center gear | |
| US3424035A | Spur gear type planetary gearings |