- 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: 461
10-year publication summary
|
35
|
53
|
43
|
37
|
50
|
40
|
32
|
30
|
49
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evoqua Water Technologies LLC | 915 |
21 |
| Kurita Water Industries Ltd. | 1183 |
9 |
| Qwtip LLC | 64 |
6 |
| Veolia Water Solutions & Technologies Support | 536 |
6 |
| Hydromecanique et Frottement | 106 |
6 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42036 |
5 |
| Disco Corporation | 1848 |
5 |
| Ecolab USA Inc. | 5444 |
5 |
| Entegris, Inc. | 1854 |
5 |
| Nanjing University | 715 |
5 |
| Sudhin Biopharma | 13 |
5 |
| Greensource Fabrication LLC | 8 |
5 |
| Samsung Electronics Co., Ltd. | 143812 |
4 |
| Tokyo Electron Limited | 12511 |
4 |
| BL Technologies, Inc. | 830 |
4 |
| Eisenmann SE | 146 |
4 |
| MKS Instruments, Inc. | 668 |
4 |
| Organo Corporation | 453 |
4 |
| Yara International ASA | 835 |
4 |
| Siltbuster Limited | 16 |
4 |
| Other owners | 346 |