- All sections
- C - Chemistrymetallurgy
- C02F - Treatment of water, waste water, sewage, or sludge
- C02F 101/12 - Halogens or halogen-containing compounds
Patent holdings for IPC class C02F 101/12
Total number of patents in this class: 400
10-year publication summary
|
39
|
45
|
35
|
42
|
34
|
28
|
19
|
39
|
39
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brita LP | 94 |
10 |
| Gradiant Corporation | 147 |
8 |
| Evoqua Water Technologies LLC | 930 |
7 |
| Claros Technologies Inc. | 54 |
6 |
| Vantive Health GmbH | 357 |
6 |
| The Regents of the University of California | 20594 |
5 |
| Calgon Carbon Corporation | 252 |
5 |
| China Petroleum & Chemical Corporation | 2084 |
5 |
| Saudi Arabian Oil Company | 13953 |
5 |
| Yara International ASA | 882 |
5 |
| Greensource Fabrication LLC | 13 |
5 |
| LG Electronics Inc. | 75196 |
4 |
| Covestro Deutschland AG | 2807 |
4 |
| Kuraray Co., Ltd. | 3578 |
4 |
| Mueller International, LLC | 739 |
4 |
| NxStage Medical, Inc. | 295 |
4 |
| Sinopec Catalyst Co., Ltd. | 7 |
4 |
| Veolia Water Technologies, Inc. | 81 |
4 |
| Swamp Fox Innovations, LLC | 23 |
4 |
| Cleanwater1, Inc. | 39 |
4 |
| Other owners | 297 |