- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit 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: 38
10-year publication summary
|
1
|
0
|
1
|
4
|
1
|
1
|
6
|
3
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rain Carbon Germany GmbH | 54 |
7 |
| Rain Carbon BVBA | 7 |
4 |
| GrafTech International Holdings Inc. | 110 |
3 |
| SGL Carbon SE | 387 |
3 |
| Rain Carbon BV | 10 |
3 |
| Tokai Carbon Co., Ltd. | 109 |
2 |
| Resonac Graphite Germany GmbH | 9 |
2 |
| Digimet 2013, S.L. | 5 |
1 |
| Ecolab USA Inc. | 5451 |
1 |
| JX Nippon Mining & Metals Corporation | 1501 |
1 |
| SGL Carbon AG | 23 |
1 |
| Sumco Corporation | 1126 |
1 |
| TERRAMARK MARKENCREATION GmbH | 73 |
1 |
| University of Maryland, College Park | 1004 |
1 |
| Showa Denko Carbon Germany GmbH | 13 |
1 |
| Pyongyang Technical Trading Centre | 1 |
1 |
| Silbucam, S.L. | 1 |
1 |
| Prozen Co.,Ltd. | 1 |
1 |
| Tokai Cobex GmbH | 47 |
1 |
| Inrema, S.L | 1 |
1 |
| Other owners | 1 |