| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Dynamo-electric machines | |
| #3 | AC and DC conversion devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Froehlich Guenter | 6 |
| #2 | Wiegand Kurt | 2 |
| #3 | Reuber Lothar | 1 |
| #4 | Froehlich Guenther | 1 |
| #5 | Froehlich Guenter Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IL31673D0 | Electromagnetically releasable drum brakes | |
| DE1231971B | Cylinder friction clutch | |
| DE1475356A1 | Device for braking a rotating drum | |
| DE1450156A1 | Inner shoe brake | |
| DE1463887A1 | Brake electric motor | |
| DE1463888A1 | Brake motor | |
| DE1267481B | Electromagnetically released inner-jaw drum brake | |
| DE1227287B | Electromagnetically released inner-jaw drum brake |