OPERATORS
Subclass of:
188 - Brakes
Patent class list (only not empty are listed)
Deeper subclasses:
| Class / Patent application number | Description | Number of patent applications / Date published |
|---|---|---|
| 188151000 | Fluid pressure | 174 |
| 188158000 | Electric | 114 |
| 188105000 | Multiple | 73 |
| 188156000 | Electric and mechanical | 55 |
| 188166000 | Spring | 42 |
| 188110000 | Automatic | 17 |
| 188000000 | Speed-responsive | 7 |
| 188174000 | Weight | 1 |
| 20190142663 | SMART BRAKE SYSTEM FOR SAFTY AT SLOPE | 05-16-2019 |
| 188155000 | Fluid current | 1 |
| 20120132489 | Motor Vehicle Having A Retarder - The invention relates to a motor vehicle | 05-31-2012 |