- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 1/04 - Blast roasting
Patent holdings for IPC class C22B 1/04
Total number of patents in this class: 40
10-year publication summary
1
|
3
|
1
|
6
|
1
|
4
|
1
|
3
|
6
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Blucher GmbH | 192 |
6 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
5 |
JFE Material Co., Ltd. | 16 |
2 |
Outotec (Finland) Oy | 491 |
2 |
Sumitomo Heavy Industries, Ltd. | 1670 |
2 |
Worcester Polytechnic Institute | 438 |
2 |
Compañia Minera Pargo Minerals SpA | 4 |
2 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
Hitachi, Ltd. | 16452 |
1 |
Chevron U.S.A. Inc. | 3774 |
1 |
Anglo Platinum Management Services (Pty) Ltd | 1 |
1 |
Commonwealth Scientific and Industrial Research Organisation | 1652 |
1 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
1 |
Rustenburg Platinum Mines Limited | 3 |
1 |
Santoku Corporation | 85 |
1 |
Swinburne University of Technology | 59 |
1 |
Umicore | 542 |
1 |
Zakrytoe Akcionernoe Obshestvo 'uralkaliy-technologiya' | 7 |
1 |
SAFINA, a.s. | 4 |
1 |
China Metallurgical Engineering Co., Ltd. | 4 |
1 |
Other owners | 6 |