- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit 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: 5
10-year publication summary
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0
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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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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| A. Finkl & Sons Co. | 85 |
1 |
| GrafTech International Holdings Inc. | 108 |
1 |
| UCAR Carbon Company Inc. | 37 |
1 |
| Advanced Mineral Recovery Technologies Ltd | 1 |
1 |
| Resonac Graphite Germany GmbH | 10 |
1 |
| Other owners | 0 |