- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 7/02 - Working-up flue dust
Patent holdings for IPC class C22B 7/02
Total number of patents in this class: 317
10-year publication summary
|
16
|
16
|
18
|
13
|
17
|
22
|
24
|
25
|
24
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Beijing University of Technology | 522 |
7 |
| JFE Steel Corporation | 7675 |
7 |
| Korea Zinc Co., Ltd. | 175 |
7 |
| Outotec (Finland) Oy | 455 |
6 |
| Centre National de La Recherche Scientifique | 11133 |
5 |
| ArcelorMittal | 2754 |
5 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2844 |
5 |
| Nippon Steel Corporation | 7098 |
5 |
| Metso Metals Oy | 226 |
5 |
| Battelle Memorial Institute | 2617 |
4 |
| Mitsubishi Materials Corporation | 2484 |
4 |
| Purdue Research Foundation | 3986 |
3 |
| ArcelorMittal Investigacion y Desarrollo SL | 208 |
3 |
| Chugai Ro Co., Ltd. | 133 |
3 |
| Kinotech Solar Energy Corporation | 12 |
3 |
| Paul Wurth S.A. | 434 |
3 |
| S.A. Lhoist Recherche et Developpement | 206 |
3 |
| SGL Carbon SE | 412 |
3 |
| Taiheiyo Cement Corporation | 247 |
3 |
| Universite Claude Bernard Lyon 1 | 1092 |
3 |
| Other owners | 230 |