- All sections
- C - Chemistrymetallurgy
- 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: 561
10-year publication summary
|
53
|
43
|
37
|
51
|
41
|
42
|
37
|
56
|
64
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 927 |
30 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47211 |
9 |
| Ecolab USA Inc. | 5722 |
9 |
| Kurita Water Industries Ltd. | 1258 |
9 |
| Samsung Electronics Co., Ltd. | 153573 |
8 |
| Veolia Water Solutions & Technologies Support | 531 |
7 |
| Disco Corporation | 1929 |
6 |
| Organo Corporation | 536 |
6 |
| Qwtip LLC | 68 |
6 |
| Hydromecanique et Frottement | 122 |
6 |
| BL Technologies, Inc. | 838 |
5 |
| Entegris, Inc. | 1979 |
5 |
| Nanjing University | 776 |
5 |
| Sudhin Biopharma | 12 |
5 |
| Greensource Fabrication LLC | 13 |
5 |
| The Procter & Gamble Company | 21900 |
4 |
| Industrial Technology Research Institute | 5079 |
4 |
| Tokyo Electron Limited | 13513 |
4 |
| ChemTreat, Inc. | 261 |
4 |
| Eisenmann SE | 146 |
4 |
| Other owners | 420 |