- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 15/14 - Refining
Patent holdings for IPC class C22B 15/14
Total number of patents in this class: 65
10-year publication summary
5
|
7
|
2
|
3
|
3
|
2
|
1
|
0
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Senju Metal Industry Co., Ltd. | 654 |
4 |
JX Nippon Mining & Metals Corporation | 1576 |
3 |
Praxair Technology, Inc. | 1367 |
3 |
Universidad de Chile | 169 |
3 |
The Furukawa Electric Co., Ltd. | 3486 |
2 |
Boliden Mineral AB | 7 |
2 |
Mitsubishi Materials Corporation | 2378 |
2 |
Pan Pacific Copper Co., Ltd. | 31 |
2 |
Stopinc Aktiengesellschaft | 37 |
2 |
Xiangguang Copper Co., Ltd. | 5 |
2 |
RHI Non Ferrous Metals Engineering GmbH | 2 |
2 |
WEISZ, Tiberiu | 3 |
2 |
3m Innovative Properties Company | 18406 |
1 |
Sumitomo Chemical Company, Limited | 8808 |
1 |
Asesorias y Servicios Innovaxxion SpA | 9 |
1 |
BHP Billiton Olympic Dam Corporation Pty Ltd | 7 |
1 |
China Nerin Engineering Co., Ltd. | 5 |
1 |
Curtin University of Technology | 65 |
1 |
Empresa Nacional de Mineria | 2 |
1 |
Empresa Nacional de Mineria Enami | 1 |
1 |
Other owners | 28 |