- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 9/10 - General processes of refining or remelting of metalsApparatus for electroslag or arc remelting of metals with refining or fluxing agentsUse of materials therefor
Patent holdings for IPC class C22B 9/10
Total number of patents in this class: 233
10-year publication summary
|
9
|
6
|
19
|
14
|
12
|
15
|
19
|
21
|
15
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pyrotek, Inc. | 207 |
11 |
| Sumitomo Metal Mining Co., Ltd. | 1971 |
10 |
| Techemet, LP, composed of Techemet Holdings, Inc., General Partner | 16 |
8 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2831 |
7 |
| Umicore | 773 |
5 |
| JFE Material Co., Ltd. | 13 |
4 |
| Hitachi Metals, Ltd. | 1900 |
3 |
| 5N Plus Inc. | 48 |
3 |
| Dowa Metals & Mining Co., Ltd. | 38 |
3 |
| JFE Steel Corporation | 7508 |
3 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 672 |
3 |
| Rio Tinto ALCAN International Limited | 219 |
3 |
| Toyota Tsusho Corporation | 190 |
3 |
| KSM Technology Co., Ltd. | 15 |
3 |
| BASF Corporation | 1682 |
2 |
| Wisconsin Alumni Research Foundation | 3887 |
2 |
| ATI Properties LLC | 200 |
2 |
| Guangxi University | 89 |
2 |
| Heraeus Deutschland GmbH & Co. KG | 403 |
2 |
| Kobe Steel, Ltd. | 899 |
2 |
| Other owners | 152 |