- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 5/08 - Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
Patent holdings for IPC class C02F 5/08
Total number of patents in this class: 510
10-year publication summary
|
29
|
34
|
49
|
39
|
41
|
34
|
39
|
31
|
36
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5838 |
44 |
| Kurita Water Industries Ltd. | 1300 |
15 |
| Fuji Electric Co., Ltd. | 5569 |
14 |
| ChemTreat, Inc. | 292 |
14 |
| Fluid Energy Group Ltd. | 56 |
9 |
| Kyungdong Navien Co., Ltd. | 647 |
8 |
| Rheem Manufacturing Company | 1039 |
6 |
| Saudi Arabian Oil Company | 14446 |
6 |
| Samsung Electronics Co., Ltd. | 159978 |
5 |
| Chevron U.S.A. Inc. | 4190 |
5 |
| Aquis Wasser-Luft-Systeme GmbH, Lindau, Zweigniederlassung Rebstein | 25 |
5 |
| BL Technologies, Inc. | 839 |
5 |
| Evapco, Inc. | 321 |
5 |
| Nuvo Residential, LLC DBA Nuvoh2o | 12 |
5 |
| Yale University | 2584 |
5 |
| Harvey Water Softeners Limited | 24 |
5 |
| Championx LLC | 660 |
5 |
| General Electric Company | 14036 |
4 |
| Halliburton Energy Services, Inc. | 21259 |
4 |
| Compass Minerals America Inc. | 96 |
4 |
| Other owners | 337 |