- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 103/16 - Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
Patent holdings for IPC class C02F 103/16
Total number of patents in this class: 347
10-year publication summary
|
22
|
33
|
19
|
19
|
29
|
21
|
17
|
29
|
52
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SunCoke Technology and Development LLC | 247 |
12 |
| Ecolab USA Inc. | 5795 |
9 |
| Outotec (Finland) Oy | 455 |
7 |
| ChemTreat, Inc. | 283 |
6 |
| Spogen Biotech Inc. | 141 |
6 |
| Evonik Operations GmbH | 4326 |
6 |
| Dow Global Technologies LLC | 10916 |
5 |
| Greensource Fabrication LLC | 14 |
5 |
| Hydromecanique et Frottement | 126 |
5 |
| Metso Finland Oy | 685 |
5 |
| Danieli & C. Officine Meccaniche S.p.A. | 717 |
4 |
| Kurita Water Industries Ltd. | 1279 |
4 |
| Saudi Arabian Oil Company | 14135 |
4 |
| Guangzhou Ultra Union Chemicals Ltd. | 7 |
4 |
| Metso Outotec Finland Oy | 172 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48140 |
3 |
| BL Technologies, Inc. | 843 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1660 |
3 |
| Eisenmann SE | 146 |
3 |
| Kemira Oyj | 1256 |
3 |
| Other owners | 246 |