- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 9/10 - General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor
Patent holdings for IPC class C22B 9/10
Total number of patents in this class: 206
10-year publication summary
|
10
|
24
|
9
|
6
|
19
|
14
|
12
|
15
|
17
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pyrotek, Inc. | 193 |
11 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
9 |
| Techemet, LP, composed of Techemet Holdings, Inc., General Partner | 17 |
9 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
6 |
| JFE Material Co., Ltd. | 16 |
4 |
| Hitachi Metals, Ltd. | 2175 |
3 |
| 5N Plus Inc. | 39 |
3 |
| Dowa Metals & Mining Co., Ltd. | 44 |
3 |
| JFE Steel Corporation | 6067 |
3 |
| Nihon Superior Sha Co., Ltd. | 8 |
3 |
| Rio Tinto ALCAN International Limited | 214 |
3 |
| KSM Technology Co., Ltd. | 9 |
3 |
| BASF Corporation | 2039 |
2 |
| Wisconsin Alumni Research Foundation | 3774 |
2 |
| Alcoa Inc. | 323 |
2 |
| ATI Properties LLC | 202 |
2 |
| Guangxi University | 66 |
2 |
| Heraeus Deutschland GmbH & Co. KG | 643 |
2 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 587 |
2 |
| Kobe Steel, Ltd. | 912 |
2 |
| Other owners | 130 |