- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 103/02 - Non-contaminated water, e.g. for industrial water supply
Patent holdings for IPC class C02F 103/02
Total number of patents in this class: 884
10-year publication summary
|
82
|
97
|
74
|
72
|
69
|
67
|
52
|
57
|
91
|
42
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5807 |
50 |
| NxStage Medical, Inc. | 297 |
19 |
| ChemTreat, Inc. | 282 |
18 |
| NCH Corporation | 248 |
13 |
| SunCoke Technology and Development LLC | 227 |
13 |
| Evoqua Water Technologies LLC | 932 |
12 |
| Gambro Lundia AB | 1398 |
11 |
| Vantive Health GmbH | 314 |
11 |
| BL Technologies, Inc. | 843 |
10 |
| ElectroSea, LLC | 49 |
10 |
| Kurita Water Industries Ltd. | 1285 |
9 |
| Outset Medical, Inc. | 63 |
9 |
| The University of British Columbia | 1546 |
8 |
| Dow Global Technologies LLC | 10968 |
7 |
| Javo Beverage Company, Inc. | 21 |
7 |
| Silver Bullet Water Treatment Company, LLC | 9 |
7 |
| Katz Water Tech, LLC | 31 |
7 |
| Rohm and Haas Company | 2943 |
6 |
| Hamilton Sundstrand Corporation | 5013 |
6 |
| Kemira Oyj | 1259 |
6 |
| Other owners | 645 |