- 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: 591
10-year publication summary
|
53
|
43
|
37
|
51
|
42
|
43
|
43
|
60
|
68
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 931 |
30 |
| Samsung Electronics Co., Ltd. | 157557 |
11 |
| Ecolab USA Inc. | 5792 |
10 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
9 |
| Kurita Water Industries Ltd. | 1283 |
9 |
| BL Technologies, Inc. | 843 |
6 |
| Disco Corporation | 1957 |
6 |
| Organo Corporation | 537 |
6 |
| Qwtip LLC | 69 |
6 |
| Veolia Water Solutions & Technologies Support | 533 |
6 |
| Hydromecanique et Frottement | 126 |
6 |
| Entegris, Inc. | 2008 |
5 |
| Nanjing University | 800 |
5 |
| Sudhin Biopharma | 11 |
5 |
| Greensource Fabrication LLC | 14 |
5 |
| The Procter & Gamble Company | 21861 |
4 |
| Industrial Technology Research Institute | 5211 |
4 |
| Tokyo Electron Limited | 13796 |
4 |
| ChemTreat, Inc. | 283 |
4 |
| Eisenmann SE | 146 |
4 |
| Other owners | 446 |