- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 9/04 - Refining by applying a vacuum
Patent holdings for IPC class C22B 9/04
Total number of patents in this class: 171
10-year publication summary
|
9
|
12
|
14
|
10
|
12
|
13
|
13
|
11
|
17
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shine Technologies, LLC | 165 |
11 |
| JX Nippon Mining & Metals Corporation | 1461 |
9 |
| Companhia Brasileira de Metalurgia e Mineracao | 17 |
8 |
| Titanium Metals Corporation | 83 |
7 |
| Kunming University of Science and Technology | 244 |
6 |
| Metallo Belgium | 50 |
6 |
| The Boeing Company | 20160 |
5 |
| Coogee Titanium Pty Ltd | 12 |
5 |
| ALD Vacuum Technologies GmbH | 141 |
4 |
| Eth Zurich | 1319 |
4 |
| Hitachi Metals, Ltd. | 1900 |
3 |
| ATI Properties LLC | 200 |
3 |
| Institute of Metal Research Chinese Academy of Sciences | 123 |
3 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2831 |
3 |
| Kunming Diboo Technology Co., Ltd. | 7 |
3 |
| Safran Aircraft Engines | 6671 |
3 |
| Safran Landing Systems | 772 |
3 |
| Ikoi S.p.A. | 25 |
3 |
| ASML Netherlands B.V. | 7906 |
2 |
| ATI Properties, Inc. | 82 |
2 |
| Other owners | 78 |