- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 7/156 - Automatic control of power by hydraulic or pneumatic means for positioning of electrodes
Patent holdings for IPC class H05B 7/156
Total number of patents in this class: 3
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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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| A. Finkl & Sons Co. | 81 |
1 |
| GrafTech International Holdings Inc. | 111 |
1 |
| Resonac Graphite Germany GmbH | 7 |
1 |
| Other owners | 0 |