- All sections
- H - Electricity
- H01R - Electrically-conductive connectionsstructural associations of a plurality of mutually-insulated electrical connecting elementscoupling devicescurrent collectors
- H01R 39/27 - End caps on carbon brushes to transmit spring pressure
Patent holdings for IPC class H01R 39/27
Total number of patents in this class: 10
10-year publication summary
|
1
|
0
|
0
|
0
|
3
|
0
|
0
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44176 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
2 |
| Hilti Aktiengesellschaft | 3675 |
1 |
| Dewertokin GmbH | 77 |
1 |
| Ezontek Technologies Co., Ltd. | 9 |
1 |
| Hoffmann & Co., Elektrokohle AG | 12 |
1 |
| Schunk Kohlenstofftechnik GmbH | 140 |
1 |
| Schleifring GmbH | 71 |
1 |
| Other owners | 0 |