- 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: 479
10-year publication summary
|
32
|
25
|
30
|
40
|
32
|
33
|
30
|
36
|
24
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5519 |
42 |
| Kurita Water Industries Ltd. | 1204 |
15 |
| Fuji Electric Co., Ltd. | 5203 |
13 |
| ChemTreat, Inc. | 235 |
12 |
| Fluid Energy Group Ltd. | 59 |
10 |
| Kyungdong Navien Co., Ltd. | 618 |
8 |
| Rheem Manufacturing Company | 988 |
6 |
| Samsung Electronics Co., Ltd. | 147622 |
5 |
| Chevron U.S.A. Inc. | 3992 |
5 |
| Aquis Wasser-Luft-Systeme GmbH, Lindau, Zweigniederlassung Rebstein | 38 |
5 |
| Evapco, Inc. | 294 |
5 |
| Harvey Water Softeners Limited | 27 |
5 |
| General Electric Company | 13859 |
4 |
| Halliburton Energy Services, Inc. | 20946 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
4 |
| BL Technologies, Inc. | 836 |
4 |
| Compass Minerals America Inc. | 100 |
4 |
| Energy Water Solutions, LLC | 12 |
4 |
| Nuvo Residential, LLC DBA Nuvoh2o | 10 |
4 |
| Premier Magnesia, LLC | 49 |
4 |
| Other owners | 316 |