- 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: 288
10-year publication summary
|
26
|
22
|
33
|
19
|
19
|
29
|
16
|
13
|
26
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Outotec (Finland) Oy | 480 |
7 |
| Ecolab USA Inc. | 5475 |
6 |
| Dow Global Technologies LLC | 10353 |
5 |
| ChemTreat, Inc. | 225 |
5 |
| Spogen Biotech Inc. | 132 |
5 |
| Greensource Fabrication LLC | 11 |
5 |
| Metso Outotec Finland Oy | 379 |
5 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
4 |
| Kurita Water Industries Ltd. | 1191 |
4 |
| Saudi Arabian Oil Company | 13044 |
4 |
| Guangzhou Ultra Union Chemicals Ltd. | 6 |
4 |
| Hydromecanique et Frottement | 111 |
4 |
| Metso Finland Oy | 431 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42549 |
3 |
| Eisenmann SE | 146 |
3 |
| National Research Council of Canada | 1550 |
3 |
| Sinyu Technology (Fujian) Co., Ltd. | 53 |
3 |
| SMS Group GmbH | 1119 |
3 |
| Evonik Operations GmbH | 4094 |
3 |
| Spiraltec GmbH | 13 |
3 |
| Other owners | 205 |