- All sections
- H - Electricity
- H01R - Electrically-conductive connectionsstructural associations of a plurality of mutually-insulated electrical connecting elementscoupling devicescurrent collectors
- H01R 39/30 - Liquid contacts
Patent holdings for IPC class H01R 39/30
Total number of patents in this class: 9
10-year publication summary
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0
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2
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1
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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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1
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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
|
|---|---|---|
| Deregallera Holdings Ltd | 18 |
2 |
| Siemens AG | 24409 |
1 |
| Schaeffler Technologies AG & Co. KG | 9973 |
1 |
| NTN Corporation | 4970 |
1 |
| ABB Schweiz AG | 7039 |
1 |
| Aktiebolaget SKF | 2976 |
1 |
| Aupac Co., Ltd. | 2 |
1 |
| Vervent B.V. | 6 |
1 |
| Other owners | 0 |