- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 9/05 - Refining by treating with gases, e.g. gas flushing
Patent holdings for IPC class C22B 9/05
Total number of patents in this class: 187
10-year publication summary
|
12
|
13
|
5
|
12
|
18
|
10
|
3
|
7
|
16
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pyrotek, Inc. | 193 |
11 |
| Southwire Company, LLC | 711 |
10 |
| SMS Group GmbH | 1029 |
8 |
| Constellium Issoire | 208 |
6 |
| Techemet, LP, composed of Techemet Holdings, Inc., General Partner | 17 |
6 |
| Foseco International Limited | 204 |
4 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
4 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
4 |
| Molten Metal Equipment Innovations, LLC | 96 |
4 |
| Praxair Technology, Inc. | 1367 |
4 |
| Refractory Intellectual Property GmbH & Co. KG | 502 |
4 |
| Constellium Neuf-brisach | 115 |
3 |
| Heraeus Deutschland GmbH & Co. KG | 643 |
3 |
| JX Nippon Mining & Metals Corporation | 1576 |
3 |
| Heraeus Precious Metals North America LLC | 9 |
3 |
| Constellium Muscle Shoals LLC | 16 |
3 |
| Metso Metals Oy | 205 |
3 |
| The Boeing Company | 19843 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
2 |
| Alu Innovation AS | 7 |
2 |
| Other owners | 98 |