- 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: 220
10-year publication summary
|
24
|
9
|
6
|
19
|
14
|
12
|
15
|
19
|
19
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pyrotek, Inc. | 202 |
11 |
| Sumitomo Metal Mining Co., Ltd. | 1766 |
11 |
| Techemet, LP, composed of Techemet Holdings, Inc., General Partner | 16 |
8 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2877 |
6 |
| JFE Material Co., Ltd. | 15 |
4 |
| Hitachi Metals, Ltd. | 1985 |
3 |
| 5N Plus Inc. | 45 |
3 |
| Dowa Metals & Mining Co., Ltd. | 40 |
3 |
| JFE Steel Corporation | 6809 |
3 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 619 |
3 |
| Nihon Superior Sha Co., Ltd. | 9 |
3 |
| Rio Tinto ALCAN International Limited | 216 |
3 |
| Toyota Tsusho Corporation | 184 |
3 |
| Umicore | 639 |
3 |
| KSM Technology Co., Ltd. | 11 |
3 |
| BASF Corporation | 1717 |
2 |
| Wisconsin Alumni Research Foundation | 3872 |
2 |
| ATI Properties LLC | 203 |
2 |
| Guangxi University | 81 |
2 |
| Heraeus Deutschland GmbH & Co. KG | 419 |
2 |
| Other owners | 140 |