- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 7/085 - Electrodes non-consumable mainly consisting of carbon
Patent holdings for IPC class H05B 7/085
Total number of patents in this class: 31
10-year publication summary
|
0
|
1
|
0
|
1
|
4
|
1
|
1
|
6
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SGL Carbon AG | 34 |
4 |
| GrafTech International Holdings Inc. | 108 |
3 |
| SGL Carbon SE | 388 |
3 |
| Rain Carbon Germany GmbH | 41 |
3 |
| Rain Carbon BVBA | 3 |
2 |
| Resonac Graphite Germany GmbH | 10 |
2 |
| Digimet 2013, S.L. | 5 |
1 |
| Ecolab USA Inc. | 5190 |
1 |
| JX Nippon Mining & Metals Corporation | 1576 |
1 |
| Sumco Corporation | 1116 |
1 |
| TERRAMARK MARKENCREATION GmbH | 104 |
1 |
| Tokai Carbon Co., Ltd. | 99 |
1 |
| Showa Denko Carbon Germany GmbH | 14 |
1 |
| Pyongyang Technical Trading Centre | 1 |
1 |
| Silbucam, S.L. | 1 |
1 |
| Prozen Co.,Ltd. | 1 |
1 |
| Tokai Cobex GmbH | 45 |
1 |
| Inrema, S.L | 1 |
1 |
| TCL Zhonghuan Renewable Energy Technology Co., Ltd. | 57 |
1 |
| Rain Carbon BV | 3 |
1 |
| Other owners | 0 |