- All sections
- C - Chemistry; metallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 103/34 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups
Patent holdings for IPC class C02F 103/34
Total number of patents in this class: 365
10-year publication summary
|
23
|
34
|
52
|
42
|
37
|
50
|
32
|
25
|
20
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 904 |
15 |
| Kurita Water Industries Ltd. | 1110 |
9 |
| Nanjing University | 646 |
6 |
| Disco Corporation | 1745 |
5 |
| Veolia Water Solutions & Technologies Support | 547 |
5 |
| Sudhin Biopharma | 13 |
5 |
| Greensource Fabrication LLC | 7 |
5 |
| Ecolab USA Inc. | 5190 |
4 |
| Eisenmann SE | 154 |
4 |
| Entegris, Inc. | 1736 |
4 |
| MKS Instruments, Inc. | 698 |
4 |
| Organo Corporation | 394 |
4 |
| Qwtip LLC | 54 |
4 |
| United Conveyor Corporation | 41 |
4 |
| Yara International ASA | 753 |
4 |
| Siltbuster Limited | 17 |
4 |
| General Electric Company | 18133 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
| ChemTreat, Inc. | 198 |
3 |
| Other owners | 267 |