- 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: 9
10-year publication summary
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0
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1
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0
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0
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0
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3
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42677 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 31515 |
1 |
| Hilti Aktiengesellschaft | 3496 |
1 |
| Dewertokin GmbH | 77 |
1 |
| Ezontek Technologies Co., Ltd. | 9 |
1 |
| Hoffmann & Co., Elektrokohle AG | 12 |
1 |
| Schunk Kohlenstofftechnik GmbH | 130 |
1 |
| Schleifring GmbH | 69 |
1 |
| Other owners | 0 |